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HomeMy WebLinkAboutPOTTER HIGHLANDS PH 2 BLK 2 LT 5& Ter t-m-Heig hiands Ph 2 Municipality of Anchorage On -Site Water and Wastewater Section • (907) 343-7904 Page 2 of 2 ON-SITE WASTEWATER INSPECTION REPORT Permit Number: OSP231153 PID Number: 020-281-65 Dwelling: 0 Single Family (SF) ❑ with ADU ❑ Duplex (D) ❑ Two Single Family Project: X New ❑ Upgrade Name Potter Creek Development LLC ABSORPTION FIELD ❑ Deep Trench 0 Wide Trench ❑ Bed ❑ Mound ❑ Other Site Address 5912 Potter Valley Road Phone Number of Bedrooms 4 Soil Rating 6 GPD/SF Total depth from original grade 1.0 Ft. LEGAL DESCRIPTION Depth to pipe invert from original grade 0.5 Ft Gravel depth beneath pipe 0.5 Ft. Subdivision Block Lot Potter Highlands Phase 2 2 5 Fill added above original grade 3.0 Ft. Gravel length 25.0 Ft. Township Range Section Gravel width 5.0 Ft. Beds: Number NA of Lines Distance between lines NA Ft. SEPARATION DISTANCES To From Septic Tank Absorption Field Lift Station Holding Tank Sewer Line Total absorption area 125Ft2 Number of trenches 1 Dist. between trenches NA Ft. Well 83.5 95.7 NA NA 25'+ TANK X Septic ElS.T.E.P. El Holding 9Other Manufacturer Capacity Surface Water 100'+ 100'+ NA NA Orenco 1500 Gal. Material Number of compartments Lot Line 51+ 10'+ NA NA NA Plastic 2 Foundation 10'+ 10'+ NA NA LIFT STATION Manufacturer Capacity Remarks Orenco 500 Gal. Alarm location Post on house near advantex Electrical installed by Solid Ground Installer PIPE MATERIAL House to tank Tank to 3034 drainfield 3034 Red Dog Drainfield 3034 CO/MT3034 Inspector PES BENCH MARK (Assumed elevation) ft Inspdection 1s` 10/27/23 2„d 10/30/23 Location and description 3`d 10/31/23 4" 1/4/24 1 Basement FF ON-SITE WATER AND WASTEWATER SECTION APPROVAL Engineer's Stamp Conditional Approval: Date P...•- .. .. .... ••eleven . annoAe .• CE 8149 Septic System Approved Date Notelhis approval does not include well permit require ent . '•. 2024-01-12.• �R 05/02/18 � LOEPTICS NO W THIN 200, 7L— WETLANDS WETLANDS PRIMARY (NEW)/ RESERVE DRAIN FIELD (P), / N 25LF x5'W x 05ED x 1 .0'TD / / INSTALLED CLEAN OUT AND r / / I •.� / MONITOR TUBE AT EACH END o / MAINTAIN 6' SEPARATION BETWEEN I / I PRIMARY AND RESERVE FIELDS o_ / TH-1 I WETLANDS 0, I / M2 / C V C3 rM TICS I M 1 B / I 0 WELLS 200' / 4BR I N WITHIN C2 FC NOOSE G1 �) i I DESIGN PARAMETERS / / A / I PRIMARY/RESERVE SEPTIC SYSTEM / NEW WELL; NO. BEDROOM: 4(600 gpd) / / NEW 15008 ADVANTEX FAP TANK SIZE: 1500gcl ADVANTEX FAINSTALLED FOUNDATION (E) / I ON CLEAN OUT/ INSTALL AUX PUMP VAULT AND POST TANK CLEAN OUT PERC RATE: 2.6 MPI SOIL RATING: 6.0 GPD/SF +� AREA ROD: 100 SFSYS. TYPE: WIDE MIN LENGTH: 20 LRENCH 0.5' ED / I LQ // USED: FIELD: 25LFx5.0'Wx0.5'E.Dx1.0'TD TOTAL AREA: 125 SF _ r I r I• r LOT VACANT NO WELLS OR SEPTICS I FG: 97.9 CO 11 nIT .._ ,... NOTES: RECORD DRAWING SCALE: NTS PANNONE ENG SVC, LLC P.O. BOX 100217 ANCHORAGE, AK 99510 PHONE (907) 272-8218 FAX (907) 272-8211 W®3.5" x(05/25/2023) =W04.0' (06/02/2023 10/27/2023) BOH DRAWN BY: DRM POTTER HIGHLANDS PHASE 2, BLOCK 2, LOT 5,r POTTER CREEK DEVELOPMENT LLC ie,3e►ron ann NSN POTTER VALLEY ROAD CE 8149 PLAN ANCHORAGE, AK Date 1/9/2024 Scale 1 "=50' P.I.D. NO 020-281-65 PERMIT NO. OSPxxxxxx Sheet 2 OF 2 A B C FC 31 .4 15.9 0.0 T1 33.7 23.9 0.0 C 1 30.9 27.4 0.0 C2 54.9 0.0 53.4 C3 65.1 0.0 33.3 M 1 54.8 0.0 50.4 M2 64.3 0.0 35.5 LOEPTICS NO W THIN 200, 7L— WETLANDS WETLANDS PRIMARY (NEW)/ RESERVE DRAIN FIELD (P), / N 25LF x5'W x 05ED x 1 .0'TD / / INSTALLED CLEAN OUT AND r / / I •.� / MONITOR TUBE AT EACH END o / MAINTAIN 6' SEPARATION BETWEEN I / I PRIMARY AND RESERVE FIELDS o_ / TH-1 I WETLANDS 0, I / M2 / C V C3 rM TICS I M 1 B / I 0 WELLS 200' / 4BR I N WITHIN C2 FC NOOSE G1 �) i I DESIGN PARAMETERS / / A / I PRIMARY/RESERVE SEPTIC SYSTEM / NEW WELL; NO. BEDROOM: 4(600 gpd) / / NEW 15008 ADVANTEX FAP TANK SIZE: 1500gcl ADVANTEX FAINSTALLED FOUNDATION (E) / I ON CLEAN OUT/ INSTALL AUX PUMP VAULT AND POST TANK CLEAN OUT PERC RATE: 2.6 MPI SOIL RATING: 6.0 GPD/SF +� AREA ROD: 100 SFSYS. TYPE: WIDE MIN LENGTH: 20 LRENCH 0.5' ED / I LQ // USED: FIELD: 25LFx5.0'Wx0.5'E.Dx1.0'TD TOTAL AREA: 125 SF _ r I r I• r LOT VACANT NO WELLS OR SEPTICS I FG: 97.9 CO 11 nIT .._ ,... NOTES: RECORD DRAWING SCALE: NTS PANNONE ENG SVC, LLC P.O. BOX 100217 ANCHORAGE, AK 99510 PHONE (907) 272-8218 FAX (907) 272-8211 W®3.5" x(05/25/2023) =W04.0' (06/02/2023 10/27/2023) BOH DRAWN BY: DRM POTTER HIGHLANDS PHASE 2, BLOCK 2, LOT 5,r POTTER CREEK DEVELOPMENT LLC ie,3e►ron ann NSN POTTER VALLEY ROAD CE 8149 PLAN ANCHORAGE, AK Date 1/9/2024 Scale 1 "=50' P.I.D. NO 020-281-65 PERMIT NO. OSPxxxxxx Sheet 2 OF 2 MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 On -Site Water & Wastewater Section Fax: 907-343-7997 Pump Installation Log Well Drilling Permit Number: Parcel Identification Number: 020 281 65 Date of Issue: - - Legal Description Block Lot Property Owner Name & Address: 11 JOHN HAGMEIER HOMES LLC POTTER HIGHLANDS PH 2 2 5 2204 CLEVELAND AVE #201 ANCHORAGE, AK 99517 Pump Installation Date:11 - os - 2023 Pump Intake Depth Below Top of Well Casing: 130 Pump Manufacturer's Name: GRUNDFOS Model: 10 SQE07-240 Pump Size: 1.50 hp Pitless Adapter Burial Depth: 10 Pitless Adapter Manufacturer's Name: feet feet MARTINSON IPitless Adapter lnstaller: ALPINE DRILLING Well Disinfected Upon Completion? XX Yes No Method of Disinfection: PELLETS Comments: Pump Installer Name: I Company: ANCHORAGE WELL & PUMP SERVICE Mailing Address: 7640 KING STREET (City: ANCHORAGE state: AK Zip: 99518 Pump Attention: The pump installer shall provide a pump installation log to On-site within 30 days of pump installation. Alpine Drilling & Enterprises Well Log QSPz31IS3 X.41 Permit Number: #9W26T1*a Date of Issue: 6-13-23 a" Parcel Identification Number: 02028165000 Date Started: 10-12-23 Date Completed: 3-/&A/zr Is well located at approved permit location? x Yes ❑ No Legal Description: Potter Highlands phase 2 Block 2 Lot 5 Property Owner Name & Address: Potter Creek Development LLC Borehole Data: Soil Type, Thickness &. Water Strata Depth (ft) From To Method of Drilling x air rotary ❑ cable tool Casing type: steel stick up 0 2 Wall Thickness:. 250 inches gravelly cobbly silt bedrock 2 15 15 146 Diameter: 6 inches Depth: 17 feet Diner Type: gvc Diameter: 4 inches Depth: 13 to 45 feet Casing stickup above ground: 2 feet Static water level (from ground level): 0 feet Pumping level: 140 feet after 2 hours pumping 8 gpm Recovery Rate: 8 gpm Method of Testing: air li Well Intake Opening Type: ❑ Open End x Open Hole ❑ Screened Start feet Stopped feet ❑ Perforations Start feet Stopped feet Grout Type: bentonite chips Volume: 4 brs De the Start 12.5 feet Stotmed 45 feet Pump: Intake Depth _ feet Pump size hp Brand Name Well Disinfected Upon Completion? a Yes ❑ No Method of Disinfection: chlorine tablets Comments: Well Driller: Alpine Drilling & Enterprises PO Box 110496 Anchorage AK99511 AsBuilt 1/8/2024 Building Detail Feet 0 100 200 MUNICIPALITY OF ANCHORAGE On -Site Water & Wastewater Program PO Box 196650 4700 Elmore Road Anchorage, Alaska 99519-6650 Phone: (907) 343-7904 Fax: (907) 343-7997 http://wvvw.muni.org/onsite On -Site Water & Wastewater System Permit Permit Number: OSP231153 Work Type: WellSeptic Initial Tax Code Number: 02028165000 Site Legal Address: POTTER HIGHLANDS PH 2 BLK 2 LT 5 G:3638 Site Mailing Address: Owner: POTTER CREEK DEVELOPMENT LLC Design Engineer: PANNONE ENGINEERING SERVICES This permit is for the construction of: Effective Date: Expiration Date Lot Size in Sq Ft: Total Bedrooms: cnt �° ISO i t�tl)al'CIIl�I1C 6/13/2023 6/12/2024 175441 Q Disposal Field Q Septic Tank ❑ Holding Tank ❑ Privy Q Private Well ❑ Water Storage All construction shall be in accordance with: 1. The attached approved design. 2. All requirements specified in Anchorage Municipal code Chapters 15.55 and 15.65 and the State of Alaska Wastewater Disposal Regulations (18AAC72) and Drinking Water Regulations (18AAC80) 3. The wastewater code requires inspections during the installation. The engineer shall notify the Development Services Department per AMC 15.65. Provide notification by calling (907) 343-7904 (24/7). 4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather shall be either: a. Opened and Closed on the same day, or b. Covered, sealed, and heated to prevent freezing Special Provisions: 1) Category III Nitrogen -reducing septic systems are required by Plat 15-10 in this subdivision. i 2) Wetlands shown on site plan are per Plat 15-10. See updated US Army Corps of Engineers Jurisdictional ' Determination dated April 21, 2022 for updated wetlands boundaries on this lot. I 'l may: _j- Ss�te fi�� S Issued By: Date: Date: _ 67 rd FC7, U MUMUPAUTY OF ANCHORAGE Community Development Department t! Phone: 907-343-7904 Development Services Division Fax: 907-343-7997 On -Site Water & Wastewater Program ON-SITE SEWER/WELL PERMIT APPLICATION Parcel I.D. 020-281-65 Property owner(s) Potter Creek Development LLC Mailing address Site address NSN Potter Valley Road Day phone Legal description (Sub'd., Block & Lot) Potter Highlands Phase 2, Bock 2, Lot 5 Legal description (Township, Range & Section) Lot Size 175,441 Sq. Ft. Number of Bedrooms 4 APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING: (® all that apply) Absorption Field ❑X Initial ❑X Single Family (SF) ❑X Septic Tank ❑X Upgrade p9 ❑ (w/wo ADU) (D) ❑ Holding Tank ❑ RenewalDuplex ❑ Multiple Dwellings ❑ Privy ❑ (SF and/or D) Private Well 0 Water Storage ❑ THIS APPLICATION INCLUDES A VARIANCE / WAIVER REQUEST FOR: Distance: I certify that the above information is correct. I further certify that this is in accordance with applicable Municipal Codes. (Signature of property owner or authorized agent) Permit/Rush Fees: K6 -'t-(9?-Waiver Fees: Date of Payment: 6G i zA'-3 64/mate of Payment: Receipt Number: 0,0 l 3.fG 06 5706Receipt Number: Permit No. 0 -5 P Z 3/ i S 3 Waiver No. Permit App_ : ..:c Pannone Engineering Services LLC Steven R. Pannone, Principal Registered Professional Engineer E‐mail: steve@panengak.com Mailing: P.O.Box 1807, Palmer, AK 99645 Telephone: (907) 745‐8200   FAX: (907) 745‐8201 8 June 2023 Municipality of Anchorage Development Services Department On‐Site Water & Wastewater Program 4700 Elmore Road P. O. Box 196650 Anchorage, Alaska 99519 Subject:   Potter Highlands Phase 2, Block 2, Lot 5 Septic System Design Narrative This is a design narrative for a permit to install an initial septic system on the subject property. The proposed installation will serve a proposed four‐bedroom (4) house. This lot and surrounding lots are served by private wells. The proposed system will maintain required separation to all surrounding wells and septics. 1. Soils: A test hole was performed on this lot by Pannone Engineering Services, LLC on 5/25/2023. Groundwater was observed during the excavation of the test hole at a depth of three and one half feet (3.5’), and bedrock was not encountered. Groundwater was observed in the test hole monitor tube after 7‐days at a depth of four feet (4.0’). Based on the results of the percolation test and overall soils appearance an application rate of 6 gpd/SF was used for the design of a CAT III wastewater treatment system in the area of the test hole. 2. Soil Absorption System Design. a. See Sheet 1 of the design package. 3. Surface Water: There is no surface water within 100 feet of the proposed septic tank and drain field. 4. Topography: See attached site plan for area topography. There are no steep slopes in the vicinity of the drain field. 5. Drawing Markings: The Drawings are marked “For MOA Review Only”. When written notification that the review is complete and no further comments are received from MoA On‐Site Department, the note will be removed and “For Construction” drawings will be issued. The proposed installation will not affect the future development of this or the surrounding lots. If you have any questions or concerns, please contact me at (907) 745‐8200. Sincerely,   Steven R. Pannone, P.E. F. ASCE Owner/Civil Engineer Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP231153, Deb Wockenfuss, 06/13/23 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP231153, Deb Wockenfuss, 06/13/23 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP231153, Deb Wockenfuss, 06/13/23 Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP231153, Deb Wockenfuss, 06/13/23 MUNICIPALITY OF ANCHORAGE ADVANCED WASTEWATER TREATMENT SYSTEM MAINTENANCE AND REPAIR AGREEMENT THIS MAINTENANCE AND REPAIR AGREEMENT, herein the "AGREEMENT" made and entered into as tofthis Day of ,�u ne of 20 , by and between 1A C,Q- 00E, --r , herein the "OWNER," and the Municipality of Anchorage, herein the ` UNICI.PALITY", in accordance with Anchorage Municipal Code (AMC) 15.65.365. In consideration of the mutual covenants contained herein, the parties to this Agreement agree as follows: I. Advanced Wastewater Treatment Systems. The Municipality grants permission to the Owner to utilize and operate an Advanced Wastewater Treatment System (AWWTS), described as Advantex located at (legal description) Potter Highlands Ph2 B2 L5 2. Maintenance, Repairs and Alterations, (Owner is required to read, understand and initial each section) Throughout the term of this Agreement, the Owner shall enter into a service agreement with an AWWTS service and maintenance provider approved by the Municipality or the manufacturer's representative. The AWWTS shall be maintained in a satisfactory condition capable of performing as designed and producing treated septic effluent in accordance with the equipment's approval for operation in the Municipality. It shall be the responsibility of the Owner during the term of this Agreement to pay for all repair(s), maintenance, adjustment(s), replacement costs, and inspection costs. This includes an annual maintenance fee (typically $400 to $600). Owner agrees that only maintenance and repair personnel approved by the Municipality or the manufacturer's representative will inspect and make any necessary maintenance, repairs or permitted alterations to the system. Owner acknowledges that regular maintenance of an AWWTS reduces the potential failure of the system, which could include sewage backup and costly repairs or drainfield replacement. (rev. 05/18/2018) Page 1 of 3 Owner acknowledges that the Municipality may request records of maintenance and repairs from the manufacturer's representative or maintenance provider. Owner acknowledges that the fine for failing to maintain and repair an AWWTS may be assessed in accordance with AMC 14.60.030. Owner agrees to grant the Municipality reasonable access to test and inspect the AWWTS. The Municipality will give at least 24-hour notice. Owner agrees that any sale or transfer of title of the property will not occur without a new Certificate of On -Site Systems Approval. Owner agrees that the AWWTS installation and maintenance requirements as provided by the AWWTS vendor/installer and approved by the Municipality are the governing guidelines for the construction, maintenance and repair of the Owner's AWWTS. Owner agrees to maintain remote monitoring of the AWWTS as required by the AWWTS approval. 3. Term. The term of this Agreement shall begin on the date of approval by the Municipality to operate the installed system, or upon transfer of title, and shall continue while the AWWTS is operational or until title is transferred. 4. Nonwaiver. The failure of the Municipality at any time to enforce a provision of this Agreement shall in no way constitute a waiver of the provisions, nor in any way affect the validity of the Agreement or any part hereof, or the right of the Municipality thereafter to enforce every provision hereof. 5. Amendment. This Agreement shall only be amended by authorized representatives of the Owner and Municipality. Any attempt to amend this agreement by either an unauthorized representative or unauthorized means shall be void. 6. Jurisdiction: Choice of Law. Any civil action arising from this Agreement shall be brought in the Superior Court for the Third Judicial District of the State of Alaska at Anchorage. The laws of the State of Alaska shall govern the rights and obligations of the parties under this Agreement. 7. Severability. Any provisions of this Agreement decreed invalid by a court of competent jurisdiction shall not invalidate the remaining provisions of the Agreement. (rev. 05/18/2018) Page 2 of 3 OWNER: By:nature Date: — �O ' l� C'' --A E�,C (print naive) NOTARY PUBLIC STATE OF ALASKA } Natalie Travers-Smyre STATE OF ALASKA THIRD JUDICIAL DISTRICT ss. My Commission Expires March 7, 2025 � } The foregoing instrument was aclu�awledged before me this day of �� 20 by I OTARY PUBLIC FOR ALASKA 'My Commission expires: � MUNICIPALITY: By: (signature) (print name) (rev. 05/18/2018) Date: /3 �- Title: Page 3 of 3 Regulatory Division POA -2021-00454 DEPARTMENT OF THE ARMY ALASKA DISTRICT, U.S. ARMY CORPS OF ENGINEERS REGULATORY DIVISION P.O. BOX 6898 JBER,AK 99506-0898 April 21, 2022 Ms. Connie Yoshimura Potter Highland, LLC. 561 E. 36th Avenue Suite 200 Anchorage, Alaska 90503 Dear Ms. Yoshimura: This is in response to your October 18, 2122, request for an Approved Jurisdictional Determination fora 7.3 -acre parcel of land described as Potter Highlands Subdivision Block 2 Lots'4 & 5. It has been assigned number POA -2021-00454, Little Rabbit Creek, which should be referred to in all correspondence with us. The project site is located within Section 14, T. 11 N., R. 3 W., Seward Meridian; USGS Quad Map Anchorage A-8; Latitude 61.048270* N., Longitude 149.7706430 W.; Municipality of Anchorage, Potter Highlands Subdivision, Block 2, Lot 4-5; in Anchorage, Alaska Based on our review of the information you furnished and available to us and our September 27, 2021, site visit, we have determined the above property contains waters of the U.S., including wetlands, under the U.S. Army Corps of Engineers (Corps) regulatory jurisdiction. Specifically, there are: 0.036 acres of wetlands and 527 linear feet of stream channel below the ordinary high water mark on the site. These waters of the U.S. are shown on the enclosed drawings prepared by the Corps and dated February 2022, We have also determined that the subject parcel contains wetlands which are not waters of the U.S. under our regulatory jurisdiction. Wetland A and Wetland B on your property do not have a surface hydrologic connection to a traditional navigable water (TNW), and are therefore not considered to be waters of the U.S. Therefore, a Department of the Army (DA) permit is not required for any activities which may occur within Wetland A and Wetland B on your property. A copy of the Approved Jurisdictional Determination form is available under the above file number at the following address: hftps://www.poa.usace.army.mil/Missions/Regulatory/Jurisdictional- Determinations/Jurisdictional-Determination-Archivel. This jurisdictional determination does not establish any precedent with respect to any other jurisdictional determination under Section 404 of the Clean Water Act. _2_ The waters on your parcel were reviewed pursuant to Section 404 of the Clean Water Act which requires that a DA permit be obtained for the placement or discharge of dredged and/or fill material into waters of the U.S., including jurisdictional wetlands, prior to conducting the work (33 U.S.C. 1344). For regulatory purposes, the Corps of Engineers defines wetlands as those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. This approved jurisdictional determination is valid for five (5) years from the date of this letter, unless new information supporting a revision is provided to us before the expiration date. Enclosed is a Notification of Administrative Appeal Options and Process and Request for Appeal form (see section titled "Approved Jurisdictional Determination"). You can find a copy of the DA permit application online at the following address: www.poa.usace.army.mil/Missions/Regulatory. Please see the sample drawings on our website: wWw.poa-usace.ar.my-mil/Portals/:34/docs/regul6tory/guidetodrawings2012.pdf. Section 404 of the Clean Water Act requires that a DA permit be obtained for the placement or discharge of dredged and/or fill material into waters of the U.S., including jurisdictional wetlands (33 U.S.C. 1344). The Corps defines wetlands as those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Nothing in this letter excuses you from compliance with other Federal, State, or local statutes, ordinances, or regulations. Please contact me via email at Eric. J.White@usace.army. m il, by mail at the address above, by phone at (907) 753-5693, or toll free from within Alaska at (800) 478-2712, if you have questions. For more information about the Regulatory Program, please visit our website at www.poa.usace.army.mil/Missions/Regulatory. Sincerely, Eric White Regulatory Specialist Enclosures POA -2021-00454 AJD Figures I of 5 Febuary 2022 Ln � A PPA 2021-0(f464 AJD i;lgx s 4 of 5 Fohs"y 2022 lam 2125/2022, 5:32:07 PM 1:4,514 Image o 0.03 0.05 0,1 nil WMS Wetlands _ I D - Undesignated 1 Property Information 500 Scale Gdd Streams OpenChannel 0 D.04 0.08 0.15 km MUnFtl)'atlty of AWAO-ge, Slate of AJ -5!u,, ® OpenSbeotfAap, 'Al—sok Esil, HERE, Gennhr, Sofeer ph, METIIUASA. USGS, EPA, NPS, US Census Doreou, USDA, S.rcos: Eed, Aktws DS, USGS. NGA, NASA, MAR, N Robins, n, NCEAS, frig, OS, MCA, MUNCpatAy ei Ancharago, State ofAlaska. G OpenSNo6LM09. ki&roscft. E>ri, HERE. Gam:!n, SeteCrophi, ME7tINASA!AOA GDIC , USGS, EPA. NPS, US COMMS UUmaa, USDA I ap y N to 4� O N 0 2 APPROVED JURISDICTIONAL DETERMINATION FORM U.S. Army Corps of Engineers SECTION 1: BACKGROUND INFORMATION A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): March 29, 2022 B. DISTRICT OFFICE, FILE NAME, AND NUMBER: Alaska District, POA -2021-00454 C. PROJECT LOCATION AND BACKGROUND INFORMATION: State: Alaska Borough: Municipality of Anchorage City: Anchorage Center coordinates of site (Iat/long in degree decimal format): Lat. 61,048128 ° N., Long. -149.771939 °W, Universal Transverse Mercator: X - 350335.271771, Y - 6771316.896506 Name of nearest waterbody: Potter Creek Name of nearest Traditional Navigable Water (TNW) into which the aquatic resource flows: Tumagain Ann Name of watershed or Hydrologic Unit Code (HUC): RUC 12 190204010702 Furrow Creek -Frontal Tttmagain Ann RCheck if map/diagram of review area and/or potential jurisdictional areas is/are available upon request. DCheck if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a different JD forth D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY): ®Offtec (Desk) Determination. Date: 01/28/2022 ®Field Determination. Date(s): 09/27/2021 SECTION II: SUMMARY OF FINDINGS A. RHA SECTION 10 DETERMINATION OF JURISDICTION. There arc no "navigable waters of the U.S " within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the review area. ❑ Waters subject to the ebb and flow of the tide. ❑ Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce. Explain: B. CWA SECTION 404 DETERMINATION OF JURISDICTION. There are and are not "waters ofthe U.S,"within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [RequiredJ 1. Waters of the U.S. a. Indicate presence of waters of U.S. in review area (check all that apply):' ❑TNWs, including territorial seas ❑Wetlands adjacent to TNWs ®Relatively permanent watersz (RPWs) that flow directly or indirectly into TNWs ❑Non-RPWs that flow directly or indirectly into TNWs ❑Wetlands directly abutting RPWs that flow directly or indirectly into TNWs Gy° Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs ❑Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs DImpoundments of jurisdietional waters ❑Isolated (interstate or intrastate) waters, including isolated wetlands b. Identify (estimate) size of waters of the U.S. in the review area: 1 Boxes checked below shall be supported by completing the appropriate sections in Section In below. 2 For purposes of this form an RPW is defined as a tributary that is not a TN W and that typically flows year-round or has continuous flow at least "seasonally" (e.g,, typically 3 months. POA -2021-00454 Non -wetland waters: 527 linear feet: I width (ft) Wetlands: 0.036 acres. C. Limits (boundaries) of jurisdiction based on: 1987 Delineation Manual and the 2007 Alaska Regional Supplement Elevation of established OHWM (if known): N/A 2. bion -regulated waters/wetlands (check if applicable):a ElPotentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional. Explain: Wetland A (0.044 acre) and Wetland B (0.033 acre) were determined to be isolated wetlands. Wetlands A and B Iack links to interstate commerce sufficient to serve as a basis for jurisdiction (Review area labeled in POA -2021- 00454 AID Figures 1 of 5 through 5 of 5, February 2022) SEC'T'ION HI: CWA ANALYSIS A. TNWs AND WE'T'LANDS ADJACENT TO TNWs The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete Section IH.A.1 and Section M.D.I. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections HLA.1 and 2 and Section III.D.1.; otherwise, see Section HLR below. 1. TNW Identify TNW: TEXT Summarize rationale supporting determination: TEXT 2. Wetland adjacent to TNW Summarize rationale supporting conclusion that wetland is "adjacent": TEXT B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WFTLANDS (IT' ANY): This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps determine whether or not the standards for jurisdiction established under Rgpurtos have been met. The agencies will assert jurisdiction over non -navigable tributaries of TNWs where the tributaries are "relatively permanent waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3 months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round (perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow, skip to Section IH.DA. A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and EPA regions will include in the record any available information that documents the existence of a significant nexus between a relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even though a significant nexus finding is not required as a matter of law. If the waterbody4 is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for analytical purposes, the tributary and all of its adjacent wetlands is used. whether the review area identified in the JD request i5 the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.R.1 for the tributary, Section M.B.2 for any onsite wetlands, and Section 111.13.3 for all wetlands adjacent to that tributary, both onsite and offsite. The determination whether a significant nexus exists is determined in Section I11.0 below. Characteristics of non-TNWs that flow directly or indirectly into TNW 3 Supporting documentation is presented in Section Ili t. 4 Mote that the Instructional Guidebook contnins additional information regarding swales, ditches, washes, and erosional features generally and in the arid West. POA -2021-00454 (i) General Area Conditions: Watershed size: (HUC 12: 190204010702) 276.93814497 square kilometers Drainage area: 0.1 square mile Average annual rainfall: 14.9 inches Average annual snowfall:70.2 inches (ii) Physical Characteristics: (a) Relationship with TNW: OTributary flows directly into TNW. ®Tributary flows through 2 or more tributaries before entering TNW. Project waters are 0.76 river miles from TNW. Project waters arc 0.01 river miles from RPW. Project waters are 0.57 aerial (straight) miles from TNW. Project waters are 0.01 aerial (straight) miles from RPW. Project waters cross or serve as state boundaries. Explain: NA Identify flow route to TNW: Tributary 2 (RPW) flows to Tributary I (RPW), which flows to Potter Creek (RPW), which empties into Turnagain Arm (TNW) Tributary stream order, if known: 1 (h) General Tributary Characteristics (check all that aPRW: Tributary is: N Natural OA tifieial (man-made). Explain: TEXT OManipulated (man -altered). Explain: TEXT Tributary properties with respect to top of bank (estimate): Average width: 1 feet Average depth: 0.5 feet Average side slopes: Choose an item. Primary tributary substrate composition (check all that apply): ®Silts OSands OConcrete OCobbles OGravel OMuck OBedrock OVegetation. Type/%cover: TEXT Gather, Explain: TEXT Tributary condition/stability [e.g, highly eroding, sloughing banks]. Explain: TEXT Presence of run/riffle/pool complexes. Explain: No Tributary geometry: Meandering Tributary gradient (approximate average slope): 15% (c) Flow: Tributary provides for: Intermittent, but not seasonal Flow Estimate average number of flow events in review arealyear: 20 (or greater) Describe flow regime: Water was present at time of site visit. According to Antecedent Precipitation Tool (APT), the site conditions were "Wetter than Normal' at the time of the Corps site visit. Other information on duration and volume: `TEXT Surface flow is: Confined Characteristics: Surface flow was confined in the tributary Subsurface flow: Yes Explain findings: Subsurface flow was observed in a sample point dug between Wetland C and Tributary 2 showing a hydrologic connection between the two. ODye (or other) test performed: TEXT 5 Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to now into tributary b, which then Mows into TNW. POA -2021-00454 Tributary has (check all that apply): ®Bed and banks OOHWM6 (check all indicators that apply): ®clear, natural line impressed on the bank Ochanges in the character of soil ❑shelving ®vegetation matted down, bent, or absent ® leaf litter disturbed or washed away []sediment deposition Owater staining ❑other (list): ODiscontinuous OI-lWM 7 Explain: TEXT Othe presence of litter and debris Odestruction of terrestrial vegetation Othe presence of wrack line PSlsediment sorting Oscour Omultiple observed or predicted flow events []abrupt change in plant community TEXT If factors other than the OHWM were used to determine lateral extent of CWA jurisdiction (check all that apply): OHigh'I'ide Line indicated by: OMean High Water Mark indicated by: Doi] or scurn line along shore objects Osurvey to available datum; Ofine shell or debris deposits (fbresliore) Ophysical markings; []physical markings/characteristics Ovegetation lines/changes in vegetation types. []tidal gauges []other (list): TEXT (iii) Chemical Characteristics: Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.). Explain: water color is clear Identify specific pollutants, if known: N/A (iv) Biological Characteristics. Channel supports (check all that apply): ORiparian corridor. Characteristics (type, average width): TEXT OWetland fringe. Characteristics: TEXT OHabitat for: OFederally Listed species. Explain findings: TEXT OFish/spawn areas. Explain findings: TEXT []Other environmentally -sensitive species. Explain findings: TEXT OAquatic/wildlife diversity. Explain findings: TEXT 2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW (i) Physical Characteristics: (a) General Wetland Characteristics: Properties: Wetland size: 0.036 acres Wetland type. Explain: Palustrine Wetland quality. Explain: TEXT Project wetlands cross or serve as state boundaries. Explain: No, project wetlands do not cross or serve as state boundaries. (b) General Flow Relationship with Non-TNW: Flow is: Choose an item. Explain: Subsurface Flow Surface flow is: Discrete G A natural or man-made discontinuity in the 01-11M does not necessarily servo jurisdiction (e.g., where the stream temporarily flows underground, or where flit Ol1W?,1 has been removed by development or agricultural practices). Where there is a break in the OHSVM that is unrelated to the waterbody's flow regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break. 7 [bid. POA -2021-00454 Characteristics: Surface flow was not observed between Wetland C and Tributary 2, only a subsurface flow was observed. Subsurface flow: Yes Explain findings: A sample point hole was dug between Wetland C and Tributary 2. A subsurface flow of water was observed in the hole. This is evidence of the lateral movement of water between Wetland C and Tributary 2. ODye (or other) test performed: 'TEXT (c) Wetland Adjacency Determination with Non-TNW ODirectly abutting ®Not directly abutting ODiscretc wetland hydrologic connection. Explain: Corps personnel dug a hole for a sample point between Wetland C and Tributary 2, A subsurface flow of water was observed in the bole. This is evidence of the lateral movement of water between Wetland C and Tributary 2. OEcological connection. Explain: TEXT OSeparated by benn/bariier. Explain: TEXT (d) Proximity (Relationship) to TNW Project wetlands are 0.76 river miles from TNW. Project waters are 0.63 aerial (straight) miles from TNW. Flow is from: Wetland to Navigable Water Estimate approximate location of wetland as within the 500 -year or greater floodplain. (ii) Chemical Characteristics: Characterize wetland system (e.g.,'water color is clear, brown, oil fr m on surface; water quality; general watershed characteristics; etc.). Explain: water color is clear Identify specific pollutants, if known: TEXT (iii) Biological Characteristics. Wetland supports (check all that apply): ORiparian buffer. Characteristics (type, average width): TEXT ®Vegetation type/percent cover. Explain: Alnus sp./20, C. canadensis/50 OHabitat for: OFedcrally Listed species. Explain findings: TEXT OFish/spawn areas. Explain findings: TEXT OOther environmentally -sensitive species. Explain findings: TEXT OAquatic/wildlife diversity. Explain findings: TEXT Characteristics of all wetlands adjacent to the tributary (if any) All wetlands) being considered in the cumulative analysis: 1 Approximately 0.036 acres in total are being considered in the cumulative analysis. For each wetland, specify the following: Directly abuts? (Y/N) Size (in acres) N 0.036 Summarize overall biological, chemical and physical functions being performed: A subsurface flow was observed in a sample pit dug between Wetland C and Tributary 2. The water was clear and is evidence of the lateral movement of water between Wetland C and Tributary 2. Several hydrological indicators were observed in Tributary 2 (RPW), including bed and banks, OHWM, and multiple hydrological indicators including a clear natural line impressed on the bank, vegetation matted down, bent, or absent, leaf litter disturbed or washed away, water staining, and sediment sorting. Tributary 2 was followed, back to Tributary I where a connection was observed. Tributary 1 is a RPW that flows downhill and downstream west to Potter's Creek (RPW) then Turnagain Arm (TNW). This is evidence that Wetland C support chemical inputs into stream ecology, supports baseline flows, and feeds detritus along wetlands located further downstream of Tributary 1 before emptying into Turnagain Ann. POA -2021-00454 C. SIGNIFICANT NEXUS DETERMINA'T'ION A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent wetlands, has more than a speculative or insubstantial effect on the chemical, physical andlor biological integrity of a TNW. Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or outside of a floodplain is not solely determinative of significant nexus. Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and discussed in the Instructional Guidebook. Factors to consider include, for example: ® Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW? m Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW? ® Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that supportdownstream foodwebs? ® Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or biological integrity of the TNW? Note. tate above list of considerations is not inclusive and oilier functions observed or known to occur should be documented below. I. Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNNVs. Explain findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section M.D: 2. Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into TNWs. Explain findings of presence or absence of significant nexus below, based on fire tributary in combination with all of its adjacent wetlands, then go to Section Iff.D: 3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to Section IIID: A subsurface flow of water was observed in a sample point dug between 0.036 -acre Wetland C, and Tributary 2. Water flow was observed from the bottom of the hole (approximately 12 inches deep) as well as from approximately 4 inches deep in the hole. The subsurface flour of water is evidence a hydrologic connection between Wetland C and Tributary 2 exists. Several hydrological indicators were observed in Tributary 2, including bed and banks, OHWM, and multiple hydrological indicators including a clear natural line impressed on the bank, vegetation matted down, bent, or absent, leaf litter disturbed or washed away, water staining, and sediment sorting. Tributary 2 has a surface hydrologic connection to Tributary 1, (RPW), which flows to Potter Creek (RPW), then T►unagain Arm, a TNW. The above information is evidence that Wetland C support chemical inputs into stream ecology, supports baseline flows, and feeds detritus along wetlands located further downstream of Tributary I before emptying into Tumagain Arm. Wetland C, in combination with Tributaries I and 2 has the capacity to transfer nutrients and organic carbon that support downstream foodwcbs as well as the capacity to carry pollutants or flood waters to Tumagain Arm (TNW), or to reduce the amount of pollutants or flood waters reaching a TNW. D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT VVATERS/WETLANDS ARE (CHECK ALL THAT APPLY): 1. TNWs and Adjacent Wetlands, Check all that apply and provide size estimates in review area: OTNWs: 4 linear feet # width (fi), Or, # acres. DWetlands adjacent to TNWs: # acres. 2. RPWs that flow directly or indirectly into TNWs. POA -2023-00454 ElTributaries ofTNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that tributary is perennial: Tributary 1 is shown oil the USGS Topographic map Anchorage A-8 as a perennial stream. ®Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are jurisdictional. Data supporting this conclusion is provided at Section ITIR Provide rationale indicating that tributary flows seasonally: While the APT run the day of the site visit determined that wetter than normal conditions were present, the amount of preceding precipitation would not have resulted in the level of water observed. Additionally, ephemeral tributaries are not common in this area. Provide estimates for jurisdictional waters in the review area (check all that apply): OTributary waters: 326 linear feet I width (ft) and 201 linear feet l width (ft). OOther non -wetland waters: # acres. Identify type(s) of waters: TEXT 3. Non-RPWss that flow directly or indirectly into TNWs. OWaterbody that is not a TNW or an RPW, but flows directly or indirectly into a T'NW, and it has a significant nexus with a TNW is jurisdictional. Data supporting this conclusion is provided at Section III.C. Provide estimates for jurisdictional waters within die review area (check all that apply): OTributary waters: #linear feet # width (R). OOther non -wetland waters: # acres. Identify type(s) of waters: 4. Wetlands directly abutting an RPW that flow directly or indirectly into TNWs. OWetlands directly abut RPW and thus are jurisdictional as adjacent wetlands. O Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale indicating that tributary is perennial in Section M.D.2, above. Provide rationale indicating that wetland is directly abutting an RPW: TEXT O Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is seasonal in Section III.B and rationale in Section TII.D.2, above. Provide rationale indicating that wetland is directly abutting an RPW: TEXT Provide acreage estimates for jurisdictional wetlands in the review area: # acres. 5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWS. ®Wetlands drat do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this conclusion is provided at Section III.C. Provide acreage estimates for jurisdictional wetlands in the review area: 0.036 acres. 6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs. O Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this conclusion is provided at Section III.C. Provide estimates for jurisdictional wetlands in the review area: # acres. 7. Impoundments of jurisdictional waters.9 As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional. ODcmonstrate that impoundment was created from "waters of the U.S.," or a Seo Footnote 43, 9 To complete the analysis rerer to the key in Section III D.6 of the Instructional Guidebook POA -2021-00454 ❑Demonstrate that water meets the criteria for one of the categories presented above (1-6), or ©Demonstrate that water is isolated with a nexus to commerce (see E below). E. ISOLATED [INTERSTATE OR INTRA -STATE] WATERS, INCLUDING ISOLATED 'WETLANDS, THE USF., DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY SUCH WATERS (CHECK ALL THAT APPLY):` Clwhich are or could be used by interstate or foreign travelers for recreational or other purposes. Ofrom which fish or shellfish are or could be taken and sold in interstate or foreign commerce. Owhich are or could be used for industrial purposes by industries in interstate commerce. ❑Interstate isolated waters. Explain: TEXT ❑Other factors. Explain: TEXT Identify water body and summarize rationale supporting determination: TEXT Provide estimates for jurisdictional waters in the review area (check all that apply): OTributary waters: # linear feet # width (fl). ❑Other non -wetland waters: It acres. Identify type(s) of waters: TEXT O Wetlands: # acres. F. NON JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALI, THAT APPLY)-. OIf potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers Wetland Delineation Manual and/or appropriate Regional Supplements. ®Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce. OPrior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the "Migratory Bird Rule" (MBR). M Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain: Sample holes were dug downslope of Wetland A and Wetland B between the wetlands and the tributary onsite. No subsurface flow was observed in either sample hole. ©Otber: (explain, if not covered above): Provide acreage estimates for non jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional judgment (check all that apply): Orlon -wetland waters (i.e., rivers, streams): OLakes/ponds: OOther non -wetland waters: ®Wetlands: Wetland A - 0.044 acres and Wetland B — 0.033 acres. Provide acreage estimates for non jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction (check all that apply): ONon-wetland waters (i.e., rivers, streams): # linear feet # width (ft). OLakes/ponds: OOther non -wetland waters: # acres. List type of aquatic resource: TEXT O Wetlands: SECTION IV: DATA SOURCES. A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked and requested, appropriately reference sources below): 10 Prior to asserting or declining CwA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for review consistent with the process described in the Corps/EPA Ademorandum Regarding CiYAJurisdiction Following Rapanos. POA -2021-00454 ZMaps, plans, plots or plat submitted by or on behalf of the applicant/consultant: Wetland Delineation Report for Proposed Development of Lots 4 and 5 in Block 2 of the Potter Highlands Subdivision, Anchorage Alaska. Submitted by Travis/Peterson Environmental Consulting August 2021. Data sheets prepared/submitted by or on behalf of the applicant/consultant (ROf1ice concurs with data sheets/delineation report. USACE concurs with wetland boundaries and presence of streams mentioned in the report, however our site visit determined a longer reach on site for Tributary 2 as well as a connection to Tributary 1. OOffice does not concur with data sheets/delineation report, OData sheets prepared by the Corps: TEXT C7Corps navigable waters' study: MU.S. Geological Survey Hydrologic Atlas: CIIJSGS NJ -ID data, MUSGS 8 and 12 digit HUC maps. OAlaska District's Approved List of Navigable Waters CSIU.S. Geological Survey map(s). Cite scale & quad name: USES Topographic map for Anchorage A-8 Accessed 02/02/2022 OUSDA Natural Resources Conservation Service Soil Survey. Citation: TEXT ONational wetlands inventory map(s). Cite name: TEXT OState/Local wetland inventory map(s): MOA MapItl Accessed 02/25/2022 OFEMA/FIRM maps: TEXT O 100 -year Floodplain Elevation is: TEXT (National Geodcetic Vertical Datum of 1929) OPhotographs: OAcrial (Name & Date): TEXT or ®Other (Name & Date): Photos from 09/27/2022 Site Visit OPrevious determination(s), File no. and date of response letter: TEXT OApp&cable/supporting case law: OApplicable/supporting scientific literature: OOther information (please specify): TEXT B. ADDITIONAL COMMENTS TO SUPPORT JD: TEXT Eric White Regulatory Specialist SOUTH Section POA -2021-00454 March 29, 2022 Date 1 Applicant: Potter Highland LLC - Connie Yoshnnura File Number: POA -2021-0045 4 Date. 04/28/2022' Attached is: See Section below INITIAL PROFFERED PERMIT Standard Permit or Letter ofpermission) A PROFFERED PERMIT Standard Permit or Letter of permission) B PERMIT DENIAL C X APPROVED JURISDICTIONAL DETERMINATION D PRELIMINARY JURISDICTIONAL DETERMINATION E 01 ;111 &SWAS0211i SECTIt�N I The -f---- ng identifies your rights and optio%is regarding air administrative appeal of the above rlecis7on: Additional`inf aimation m - be found at h :lf aiv y usace at zi vT illCE ?/P lre rgaterials;asfsx or Corps regulations at 33 CFR Part331: A: INITIAL PROFFERED PERMIT: You may accept or object to the permit. m ACCEPT: Ifyoureceiveda Standard Permit, youmay sign the permit documentandretum itto the district engineer for final authorization. Ifyou received a Letter of Permission (LOP), you may accept the LOP andyour work is a uthorized. Your signature on the Standard Permit or a eceptanceoftheLOP means that you accept thepermit in its entirety, and waive If rights to appealthepennit, including its terns andconditions, and approvedjurisdictional determinations associated with the permit. OBJECT: Ifyouobjecttothe pennit(Standard orLOP) because ofcertain terms and conditions therein, youmayrequest that the permit be modified a ecord ingly. You must complete Section 11 o fthis form and retum the form to the district engineer. Your objections mustbe received by the district engineerwithin 60 days oftbe date ofthis notice, or you will forfeit your right to appeal the permit in the future. Upon reeciptofyour letter, the district engineer-svill evaluate your objections and may: (a) modify the permit to address all of your concerns, (b) modify the permit to address some ofyour objections, or(c)not modify the permit having determined that the permit should beissued aspreviously written. After evaluatingyour objections, the district engineer will send you a proffered permit foryourreconsideration, as indicated in Section B below. B: PROFFERED PERMIT: You may accept or appeal the permit © ACCEPT: If you received a Standard Permit, youmay sign the permit documentand return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and yourwo rk is authorized. Your signature on the Standard Pennit or acceptance of the LOP means that you accept thep ermit in its entirety, and waive all rights to appeal the pennit, including its termsand conditions, and approved jurisdiction]determinations associated with the permit. APPEAL: If you choose to decline the profferedpennit (Standard or LOP) because ofcertainterms and conditions therein, you may appeal the declined permit underthe Corps of Engineers Adm inistrative Appeal Process by completing Section I1 of this form and sending the form to the division engineer. This form must be received bythe divisionengineer within 60 days of the date ofthis notice. C: PERMITDENIAL: You may appeal the denial of apennitundertheCorps ofEngineersAdministrativeAppeaIProcess by completing Section 11 of this form and sending the form to thedivision engineer. This form mustbe received bythe division engineer within 60 days ofthe date ofthis notice. D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new information. ® ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the date of this notice, means thatyou accept the approved JD in its entirety, and waive allrigbts to appeal the approved JD. • APPEAL: If you disagree with the approved JD, you may appeal the approved JDunderthe Corps 0fEngincers Administrative Appea I Process bycompleting Section 11 ofthis form and sending the form to the division enginem This form mustbe received by the division engineer within 60 days of thedateof this notice. E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps regarding the preliminary JD. The Preliminary JD is not appealable. If you wish, you may request an approved JD (which may be appealed), by contacting the Corps district for further instruction. Also you may provide new information for further consideration by the Corps to reevaluate the JD. SECTION II d M , VEST FOR APPEAL or OBJECTIONS TO AN INITIAL PROFFERED :PERMIT REASONS FOR APPEAL OR OBJECTIONS: (Describe yourrea sons forappealing the decision oryour objections to an initiaiproffered pennitinclear concise statements. You may attach additional information to this form to clarify where you rreasons or objections areaddressed hi the administrative record.) ADDITIONAL INFORMATION: The appeal is limited to a review of the administrative record, the Corps memorandum forthe record of the appeal conference ormeeting, andany supplemental infomrationthat the review officer has determined is needed to clarify the administrative record. Ncitb crthc appe1lant northe Corps may add new information or analyses to therecord. However, you may provide additional information to clarify the locationof information that is already in the administrativerecord. POINT OF CtONTACT FQR I7ESTIC)NS :OR INFOR1ViATI(ON:. If you have questions regarding this decision andJorthe appeal If you only have questions regarding the appealprocess you may process you may contact: a Lso contact: Eric White, RS Ms. Kate Bliss Alaska District Corps of Engineers Regulatory Program Manager CEPOA-RD-S U.S. Army Corps of Engineers, Pacific Ocean. Division P.O. Box 6898 CEPOD-PDC, Bldg 5 25 JBER,AK 99506-0898 FortShafter,HI 96858-5440 (907) 753-5693 (808)835A626 katc.m.bliss t,usace.arm .mil RIGHTOFENTRY: Your signature below gra nts therigbt of entry to Corps of Engineers personnel, and any government consultants, to conduct investigations ofthe project site during the course ofthe appealprocess. You will be provided 15 day notice of any site investigation, and willbave the opporhmityto participate in a ll site investigations. Date: Telephone number; Signature of appellant or agent. MUNICIPALITY OF ANCHORAGE Development Services Department _' Phone: 907-343-7904 On -Site Water & Wastewater Section Fax: 907-343-7997 Certificate of On -Site Systems Approval Parcel I.D. 020-281-65-000 Expiration Date: 10/30/2024 Legal description POTTER HIGHLANDS PH 2 BLK 2 LT 5 Site address 5912 POTTER VALLEY RD Anchorage AK 99516 Current property owner(s) JOHN HAGMEIER HOMES LLC XThe On-site system(s) is/are approved for 4 bedrooms Conditional approval for Comments or advisories: bedrooms, with the following stipulations: Original Certificate Date: 1/12/2024 This Certificate of On -Site Systems Approval (COSA) is intended to demonstrate the subject system(s) is/are in substantial compliance with municipal code. The Municipality of Anchorage, Development Services Department (DSD) issues COSAs based upon representations provided by an independent professional engineer. The Municipality of Anchorage is not responsible for errors or omissions in the professional engineer's work. ATTACHMENTS: COSA Checklist X Well Flow Advisory Absorption Field Advisory Nitrate Advisory Tank Age Advisory Arsenic Advisory Other COSA Approval—June 2022 MUMUPAUTY OF Development Services Department On -Site Water & Wastewater Section A HCHORAGE AV5VA Phone: 907-343-7904 Fax: 907-343-7997 Certificate of On -Site Systems Approval Application 1. GENERAL INFORMATION Parcel I.D. 020-281-65 Complete legal description Potter Highlands Phase 2, Block 2, Lot 5 Location (site address) 5912 Potter Valley Road Current property owner(s) John Hagmeier Homes LLC 2. ON-SITE SYSTEMS SIZED FOR 4 BEDROOMS Day phone 3. TYPE OF WATER SUPPLY: ❑® Private Well ❑ Private Well serving 2 dwelling units ❑ Private Well serving 3+ dwelling units ❑ Community Well or Public ❑ Water Storage 4. TYPE OF WASTEWATER DISPOSAL: ❑® Private Septic ❑ Private Septic serving 2 dwelling units ❑ Holding Tank ❑ Community Septic or Public Sewer 5. SEPTIC TANK: ❑ Steel 0 Plastic ❑ Concrete ❑ Fiberglass Age New - See advisory if steel older than 20 years 6. ABSORPTION FIELD: X AWWTS ❑ Bed ❑ Deep Trench ❑® Wide Trench ❑ Seepage Pit Waiver request for: Expedited review requested: JE Distance: By applying for this entitlement, this property is subject to inspection by municipal On-site staff to verify the accuracy of the information provided. COSA Fee $ 1 2.0 Waiver Fee $ Date of Payment COSA # 05G2'� l a la Date of Payment Waiver # COSA Application—June 2022 1/11/24 MUNICIPALITY OF ANCHORAGE ADVANCED r T E W "rE TRE 'I'ENT SYSTEM MAINTENANCE AND REPAIR AGREEMENT THIS MAINTENANCE N D REPAIR AGREEMENT, herein the "AGREEMENT" made and ,� entered into as of this lay of , of 20 L,3 , by and between D CO. , j � ? -�, herein the `{ SER , " and the Municipality of Anchorage, here i n the "'MUNICIPALITY". in accordance with Anchorage Municipal Code (AM Q 15.6 5.3 6 5. I n co ns i derati on of the rnu tea l c ovenant s co n t -a i n ed here in, t he p art i es t o thi s Agreement agree as follows: f 1. Advanced Wastewater Treatment Systems. The Municipality grants permission to the Owner to utilize and operate an Advanced Wastewater Treatment System ( W ET , described as Advantex located at (legal description) Potter Highlands Ph2 B2 L5 .. Maintenance, Re airs and Alterations. (Owner is required to read, understand and initial each section) Throughout the term of thisreement, the Owner shall enter into a service a r ement r with an AWWTS service and maintenance provider approved by the Mun ipality or the manufacturer's representative. The AWWTS shall he maintained in a satisfactory condition capable of performing as designed and producing treated septic effluent in accordance with the quip rent's approval for caperatieii iii the Municipality. It shall he the responsibility of the Owner during the term of this Agreement to pay for all 4 repair(s), maintenance, adjustment(s), replacement costs, and inspection costs. This i 11 cl Udes an annual maintenance fee (typically $400 t $600). 4 Owner agrees that only maintenance and repair personnel approved by the Municipatity or the manufacturer}s representative will inspect and make any necessary maintenance, repairs or pennitted alterations to the system. Owner acknowledges that regular maintenance of an AWWTS reduces the potential failure f the system, which could include sewage ba ku and costly repairs or dr infi ld reel acement. {reg_ 05/18/2019) Page I of e Owner acknowledges that the Municipality may request records ofmaint nai-ice and repairs from the manufacturer's representative or maintenance provider, MO Owner acknowledges that the fine for fa i 11 ng to maintain and repair an A WWTSmay b assessed in accordance with AMC 14,60.030. Owner agrees to grant the Municipality reasonable access to test and inspect the WT . The Municipality will give at least -hour -notice. Owner agrees that any sale or transfer of title of thero erty will not occur without a new p � Certificate of On -Site erste Approval. Owner agrees that the AWWTS installation and maintenance requirements as provided by the AWWTS vendor/einstaller and approved by the Municipality are the goveming guidelines for the construction, maintenance and repair f the Owner's WWT . Owner agrees to maintain remote monitoring f the AWWTS as required by the AWWTS approval. . Tom. The term of this Agreement shall begin on the date of approval by the Municipality to operate the installed system, or up to transfcr of title, and shall continue chile the AWWTS is operational or untit title is transferred. 4. Nonwaiver. The failure of the I Iumelpality at any time to enforce a provision of this Agreement shall in no way constxnite a waiver of the provisions, nor in any way affect the validity of the Agreement or any part hereof, or the right of the Municipality thea- after to enforec ever provision hereof. . Amendment. This Agreement shall only be amended by authorized representatives of the Owner and Municipality. Any attempt to amend this aureernent by either an un uthori ed representative or unauthorized means shall be void, . Jurisdiction: Choice of Law, Any civil action arising from this Agreement shall be broucrht in the Superior Court for the Third Judicial District of the, State of Alaska at Anchorage. The laws of the Mate of; Alaska shall govern the rights and obligations of the parties under this Agreement. 7. Severability. Any provisions of this Agreement deemed invalid by a court of competent jurisdiction shall not invalidate the remaining provisions, of the Agreement. (rev. 05/18/ 20 18) Page 2 of OWNER- (e By: G�i ' g—(signature) Date Mn'4,c,r IkI-Xr 1 17ati.e.{SSoy (print name) STATE OF ft1� DR�t-ryA ) cz rejS Spyt Q- u -j --\ �—1 ry r L, ) ss. TI-I1RD-JUDI-6fAL-DIS-TRICT ) The foregoing instrument was acknowledged before me this x3+ day of wry 2 2023, by�G2�SsnSScsr NOTARY PUBLIC FORS�� My Commission expires: STAMP *AM ATHENYC• OREGON NO. 1031267EMBER 27, 2026 (signature) Date: print name) Title: I IGV`'L—LL�;Vt1 ej,� (rev. 05/'18/2018) Page 3 of'3