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Home My WebLink AboutReg 2025-10-06 Item 5D - Grant Acceptance - WA State Department of Ecology for 4 Stormwater Outfalls Design for $436,152COUNCIL AGENDA SYNOPSIS Initials Meeting Date Prepared by Mayor's review Council review 10/06/25 JR ITEM INFORMATION ID MNo. 5.D. STAFF SPONSOR: CATRIEN DE BOER ORIGINAL AGENDA DAIL: 10/06/25 AGENDA ITEM TITLE Surface Water Fund - Stormwater Outfall Water Quality Retrofit Project Department of Ecology Water Quality Combined Funding Grant Award CAILGORY ❑ Discussion Mtg Date 0 Motion Date 10/6/25 ❑ Resolution Mtg Date ❑ Ordinance Mtg Date ❑ Bid Award Mtg Date ❑ Public Hearing Mtg Date ❑ Other Mtg Date Mtg SPONSOR ❑Council ❑Mayor HR DCD ❑Finance ❑Fire TS ❑P&R ❑Police aPit ❑Court SPONSOR'S In October 2024, staff submitted an application to the DOE Water Quality Combined SUlLVARY Funding Program to fund the design through 90% of the next four stormwater outfall sites: West Valley Highway, Christensen Road 1, Christensen Road 2, and 48th St. In July 2025, the City was notified that we received the full grant award to fund the design of these sites. Council is being asked to accept a DOE Water Quality Grant Award in the amount of $436,152. REVIEWED BY 0 Trans&Infrastructure ❑ CommunitySvs/Safety ❑ Arts Comm. 09/22/25 ❑ Finance ❑ Parks Comm. ❑ Planning/Economic Dev. Comm. ❑ Planning Comm. CHAIR: MOHAMED ABDI ❑ LTAC DATE: COMMIIIEE RECOMMENDATIONS: SPONSOR/ADMIN. CONDE_LIEE Public Works Department Unanimous Approval; Forward to Regular Consent Agenda COST IMPACT / FUND SOURCE EXPENDITURE REQUIRED AMOUNT BUDGETED APPROPRIATION REQUIRED $436,152.00 $0.00 $0.00 Fund Source: DEPARTMENT OF ECOLOGY GRANT AND CITY MATCH (SURFACE WATER FUND) Comments: CIP - Stormwater Water Quality Retrofit Program MTG. DATE RECORD OF COUNCIL ACTION 10/06/25 MTG. DATE ATTACHMENTS 10/06/25 Informational Memorandum dated 09/19/25 CIP Sheet - Stormwater Water Quality Retrofit Program Vicinity map Minutes from Transportation and Infrastructure Committee meeting of 09/22/25 15 Thomas McLeod, Mayor Public Works Department - Jen Tetatzin, PE, PMP - Director INFORMATIONAL MEMORANDUM TO: Transportation and Infrastructure Services Committee FROM: Jen Tetatzin, Public Works Director BY: Catrien de Boer, Public Works Analyst CC: Mayor McLeod DATE: September 19, 2025 SUBJECT: Surface Water Fund - Stormwater Outfall Water Quality Retrofit Project Project No. 91241202 Department of Ecology Water Quality Combined Funding Grant Award ISSUE Accept a Washington State Department of Ecology (DOE) Water Quality Combined Grant to fund water quality improvements in the amount of $436,152. BACKGROUND In 2017, Council authorized staff to accept a DOE grant which identified 8 priority stormwater outfalls and funded the design of four stormwater outfall sites through 90%. In 2022, Council authorized staff to accept a DOE grant funding the final design and construction of two of the sites — Tukwila International Boulevard and Interurban Avenue. In 2024, Council authorized staff to accept a DOE grant funding the final design and construction of the third and fourth sites — E Marginal Way and Fort Dent Way. DISCUSSION In October 2024, staff submitted an application to the DOE Water Quality Combined Funding Program to fund the design through 90% of the next four stormwater outfall sites — West Valley Highway, Christensen Road 1, Christensen Road 2, and 48th St. In July 2025, the City was notified that we received the full grant award to fund the design of these sites. FISCAL IMPACT The City was awarded a $436,152 grant from the DOE for the design of four stormwater outfalls. The grant requires a 15% local city match, which is $76,968. The Project CIP, which comes from Surface Water Fees, is sufficient to cover the match. Project Budget DOE Grant Award $436,152.00 City Match $ 76,968.00 Total $513,120.00 Fund Source CIP Budget (412 Funds) RECOMMENDATION Council is being asked to accept a DOE Water Quality Grant Award in the amount of $436,152 and consider this item on the Consent Agenda at the October 6th, 2025 Regular Council Meeting. Attachments: 2025-2030 CIP Pg. 146 Vicinity Map 16 CITY OF TUKWILA CAPITAL PROJECT SUMMARY 2025 to 2030 PROJECT: Stormwater Water Quality Retrofit Program Project# 91241202 Project Manager Joshua Hopkins Department Surface Water DESCRIPTION: Plan, design, and install water quality treatment and other stormwater conveyance improvements at targeted drainage locations. JUSTIFICATION: Most surface water is discharged directly to receiving water bodies untreated. STATUS: Water quality retrofit has been added to CI P projects since 2015. MAINTENANCE IMPACT: N/A COMMENT: Combine with other CIP projects for design and construction, where feasible. FINANCIAL (in thousands) 2025 2026 2027 2028 2029 2030 Beyond TOTAL Project Costs Project Mgmt (Staff Time/Cost) Design Construction Mgmt. Construction $ 25 $ 100 $ 100 $ 400 $ 25 $ 300 $ 300 $ 1,410 $ 25 $ 100 $ 25 $ - $ 400 $ 1,800 $ 25 $ 100 $ 25 $ - $ 400 $ 1,800 $ 25 $ 20 $ 15 $ 80 $ 175 $ 620 $ 1,215 $ 5,490 Total Project Costs $ 625 $ 2,035 $ 125 $ 2,225 $ 125 $ 2,225 $ 140 $ 7,500 Project Funding Awarded Grant Proposed Grant Utility Revenues $ 125 $ 425 $ 75 $ 1,410 $ 300 $ 325 125 $ - $ 1,530 $ 695 $ 125 $ - $ 1,530 $ 695 140 $ 1,535 $ 3,785 $ 2,180 Total Project Funding $ 625 $ 2,035 $ 125 $ 2,225 $ 125 $ 2,225 $ 140 $ 7,500 17 Setae Normanicly IP 'A irk MOi wcwie cc' Mercer Island t ,..„ INeAwcastle Renton seatzie , lacerne Olyrnpie Sarrirria.mlish CO r Aat o al a to Issaquah Ea sirtRrIri HiMnrF rj u ‘3 uun r gut, Maple vallleY • oYaMma CvaI d Porles I ,,,0:1011A 1'1,11,1,11 AP,, Kennewick Spvkana-: 18 0 O U v 0 0" Quality Grant\DESIGN\Dra Highlight indicates sites included in this application TREATMENT AREA OVERVIEW MAP TUKWILA WATER QUALITY RETROFIT PLANNING PROJECT SITE 3 HIRISTENSEN I SITE 2 CV....IIRISTENSEN RD.�1 SITE 1 W VAU.... U.... IEY 7539th Ave N 2502 Jefferson Ave Seale, WA 98109 Tacoma, WA98402 (206)286-1640 (253)627-0720 www.kpg.com 19 K:\PROJECTS\TUKWILA\15155—Water Quality Grant\DESIGN\Drawings\Contract\DOE Grant App Figures.dwg 10/15/2015 12:26 PM 1igN111v : im AthIJIi r 1161f n1n110tM SITE #1 TOTAL BASIN AREA: 33.2 AC TREATMENT AREA: 2.8 AC TREATMENT SITE #1 TUKWILA WATER QUALITY RETROFIT PLANNING MPG 753 9th Ave N 2502 Jefferson Ave Seattle, WA 98109 Tacoma, 827 28402 (208) 286-1640 (253) 627.0720 www.kpg.com 20 0_ 10 0 0 cn U U' O • Oita SITE #2 TOTAL BASIN AREA: 1.93 AC TREATMENT AREA: 0.51 AC Ppr If4u, r °ioa��GuMrj/ 0411,4111 4171,,!71,„„,i14717,!",,6„,ii TREATMENT SITE #2 TUKWILA WATER QUALITY RETROFIT PLANNING MPG 753 9th Ave N 2502 Jefferson Ave Seattle WA 98109 Tacoma WM1'A98402 (206)286-1640 (253)627.0720 www.kpg.com 21 10 0 0 cn 0 Roo • I o(Aof lid* or J GAa^rn� ., i 11'�A091W1Ilir �� YIR�N SITE #3 TOTAL BASIN AREA: 1.06 AC TREATMENT AREA: 0.51 AC 17 Pr II�IIII�'(yV�i� TREATMENT SITE #3 TUKWILA WATER QUALITY RETROFIT PLANNING nu' NOWAMOraral WPC. 753 9th Ave N 2502 Jefferson Ave Seattle WA 98109 Tacoma WM1'A98402 (208)286-1640 (253)627.0720 www.kpg.com 22 ffilltrottf NO-:.may.:, . m ull✓ f(lAYA II11111W �I '/fJ1011u SITE #6 TOTAL BASIN AREA: 33.8 AC TREATMENT AREA: 3.0 AC arjfiJ n',u;, TREATMENT SITE #6 TUKWILA WATER QUALITY RETROFIT PLANNING MPG 753 9th Ave N 2502 Jefferson Ave Seattle, WA 98109 Tacoma, 827 28402 (208) 286-1640 (253) 627.0720 www.kpg.com 23 City of Tukwila City Council Transportation & Infrastructure Services Committee Meeting Minutes September 22, 2025, 5:30 p.m. - Hybrid Meeting; City Council Conference Room & MS Teams Councilmembers Present Mohamed Abdi, Chair; Hannah Hedrick, Joe Camacho Staff Present Jen Tetatzin, Griffin Lerner, Eric Compton, Pete Mayer I. PRESENTATION II. BUSINESS AGENDA A. Ordinance: Franchise Agreement Staff is seeking approval of an ordinance granting Level 3 Communications a franchise agreement with a term of 5 years. Committee Recommendation Unanimous approval. Forward to October 13, 2025 Committee of the Whole. B. Grant Award: South 130th Bioretention Planters Staff is seeking approval to accept $294,950 from the Washington State Department of Ecology Water Quality Combined Grant to fund design through 90% of bioretention planters in the vicinity of S. 130th St. Committee Recommendation Unanimous approval. Forward to October 6, 2025 Regular Meeting Consent Agenda. C. Grant Award: Stormwater Outfall Water Quality Retrofit Project Staff is seeking approval to accept $436,152.00 from the Washington State Department of *Ecology Water Quality Combined Grant to fund the design through 90% of four stormwater outfalls. Committee Recommendation Unanimous approval. Forward to October 6, 2025 Regular Meeting Consent Agenda. The meeting adjourned at 5:50 p.m. if Committee Chair Approval Minutes by LH 24