Clean Water Act discharge permit · NPDES WA0040002
MCNEIL ISLAND SPECIAL COMMITMENT CENTER WWTP, Steilacoom, WA: NPDES WA0040002 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MCNEIL ISLAND SPECIAL COMMITMENT CENTER WWTP, held by McNeil Island Stewardship WA Dept of Corrections, holds NPDES permit WA0040002. EPA’s file records it issued July 1, 2016 and expiring June 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MCNEIL ISLAND SPECIAL COMMITMENT CENTER WWTP |
|---|---|
| Permittee as filed | McNeil Island Stewardship WA Dept of Corrections |
| NPDES ID | WA0040002 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 1, 2016 |
| Expiration date | June 30, 2021 |
| Issuing agency | State |
| Address | Steilacoom, WA 98388 |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler WAD980834543 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 0Under a numeric limit
- 17With a violation of any kind
- 3With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, fecal general | 0 | 25 | 9 | May 31, 2022 | 1,353% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 64 | 2 | March 31, 2009 | 22% over the limit |
| Solids, total suspended | 0 | 64 | 2 | January 31, 2009 | 43% over the limit |
| Chlorine, total residual | 0 | 24 | 0 | ||
| BOD, percent removal [total] | 0 | 20 | 0 | ||
| Solids, suspended percent removal | 0 | 20 | 0 | ||
| pH | 0 | 16 | 0 | ||
| Flow | 0 | 14 | 0 | ||
| Temperature, water deg. centigrade | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 2 | 0 | ||
| Oil and grease, hexane extr method | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 2 | 0 | ||
| Solids, total dissolved | 0 | 2 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0040002.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WA0040002 there.
Nearby on the register
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- Discharge permits in Washington
- Every permit record in Washington, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.