NPDES WAR309451 · Clean Water Act
SR 509 COMPLETION PROJECT - STAGE 1B, Kent, WA: NPDES WAR309451 discharge permit, effluent exceedances, inspections, penalties
SR 509 COMPLETION PROJECT - STAGE 1B, Kent, Washington: General permit coverage WAR309451, held by Atkinson; Construction stormwater; Administratively continued; issued November 18, 2020, term to December 31, 2025, by State.
- Turbidity: 31 limits, 81 violations of any kind, 77 effluent exceedances, latest May 31, 2025.
- Lead, total [as Pb]: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest November 30, 2024, largest 90% over the limit.
- Total Petroleum Hydrocarbons - Diesel: 4 limits, 5 violations of any kind, 1 effluent exceedance, latest February 28, 2023, largest 212% over the limit.
- Naphthalene: 4 limits, 29 violations of any kind.
- pH: 62 limits, 8 violations of any kind.
- Chromium, total [as Cr]: 4 limits, 4 violations of any kind.
- Selenium, total [as Se]: 4 limits, 4 violations of any kind.
- Benzene, ethylbenzene, toluene, xylene combination: 4 limits, 4 violations of any kind.
- Total Petroleum Hydrocarbons - Gasoline: 4 limits, 4 violations of any kind.
- Arsenic, total [as As]: 4 limits, 2 violations of any kind.
Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before WAR309451.
Coverages issued nearest WAR309451
- 2020-11-18: SUMAS CONCRETE PRODUCTS, Sumas: WAR309413, held by Lakeport Reach, LLC DBA Tristar Concrete Products
- 2020-11-18: MARYHILL ESTATES EAST, East Wenatchee: WAR309423, held by Selland Construction
- 2020-11-18: HARBOR REACH STORAGE, Gig Harbor: WAR309435, held by Mitchell Development, LLC
- 2020-11-18: EAST MAPLE RIDGE, Blaine: WAR309441, held by JIJ Corporation
- 2020-11-18: ROCK CREEK COVE HOSPITALITY, Stevenson: WAR309442, held by Rock Creek Cove TIC
- 2020-11-18: DOUGLASS COMMERCE PARK, Spokane: WAR309460, held by Douglass Properties
- 2020-11-18: CSI MINI STORAGE, Tacoma: WAR309473, held by Rhoads Property Holding LLC
- 2020-11-18: FOREST RIDGE & PONDEROSA PINES, Cle Elum: WAR309478, held by Skyline Ridge, LLC
- 2020-11-18: FIRESTONE RIDGE, Camas: WAR309547, held by Cascade West Development, Inc.
- 2020-11-18: HUBER SOUTH HILL PLAT, Puyallup: WAR309582, held by JSG1, LLC
SR 509 COMPLETION PROJECT - STAGE 1B among its neighbors
362 discharge permits are in the Green River subwatershed (HUC 171100130305); WAR309451 is one.
Other permits in the Green River subwatershed (HUC 171100130305)
- 116TH AVENUE SE AND SE 248TH STREET ROUNDABOUT, Kent: WAR316076, minor, term to 2030-12-31
- 37TH & 40TH AVE SIDEWALK PROJECT, Seatac: WAR303423, minor, term to 2015-12-31
- 5TH AVENUE TOWNHOMES, Kent: WAR303021, minor, term to 2015-12-31
- 7 ELEVEN WEST VALLEY HWY, Tukwila: WAR313558, minor, term to 2025-12-31
- 76TH AVE S ROAD RAISING, Kent: WAR309038, minor, term to 2025-12-31
- 8801 E MARGINAL WAY S, Tukwila: WAR008681, minor, term to 2014-12-31
- ABF FREIGHT SYSTEMS KENT, Kent: WAR313014, minor, term to 2024-12-31
- ABX AIR INC SEATTLE, Seattle: WAR004602, minor, term to 2014-12-31
- ACE GALVANIZING INC 96TH, Seattle: WAR000154, minor, term to 2024-12-31
- AIRGAS KENT, Kent: WAR312174, minor, term to 2025-12-31
Identity
| Facility | SR 509 COMPLETION PROJECT - STAGE 1B |
|---|---|
| Permittee | Atkinson |
| NPDES ID | WAR309451 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Construction stormwater |
| Issued | November 18, 2020 |
| Expires | December 31, 2025 |
| Agency | State |
| Address | Kent, WA 98032 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Green River (HUC 171100130305) |
NPDES WAR309451: effluent limits and exceedances
SR 509 COMPLETION PROJECT - STAGE 1B (NPDES WAR309451): 10 pollutants on file, 10 limited; 10 with a violation of any kind, 3 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Turbidity | 31 | 81 | 77 | May 31, 2025 | |
| Lead, total [as Pb] | 4 | 4 | 2 | November 30, 2024 | 90% over the limit |
| Total Petroleum Hydrocarbons - Diesel | 4 | 5 | 1 | February 28, 2023 | 212% over the limit |
| Naphthalene | 4 | 29 | 0 | ||
| pH | 62 | 8 | 0 | ||
| Chromium, total [as Cr] | 4 | 4 | 0 | ||
| Selenium, total [as Se] | 4 | 4 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 4 | 4 | 0 | ||
| Total Petroleum Hydrocarbons - Gasoline | 4 | 4 | 0 | ||
| Arsenic, total [as As] | 4 | 2 | 0 |
NPDES WAR309451: inspections, violations and enforcement
NPDES WAR309451 (SR 509 COMPLETION PROJECT - STAGE 1B): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES WAR309451
NPDES WAR309451: one email when its EPA record changes — $99/month.
Permits near NPDES WAR309451
NPDES WAR309451: 10 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.