Clean Water Act discharge permit · NPDES OR0026409
SALEM WILLOW LAKE STP, Salem, OR: NPDES OR0026409 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 19Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SALEM WILLOW LAKE STP, held by SALEM, CITY OF, holds NPDES permit OR0026409, which discharges to Willamette River. EPA’s file records it issued November 18, 2004 and expiring October 31, 2009. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SALEM WILLOW LAKE STP |
|---|---|
| Permittee as filed | SALEM, CITY OF |
| NPDES ID | OR0026409 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 18, 2004 |
| Expiration date | October 31, 2009 |
| Address | Salem, OR 97303 |
| Receiving water | WILLAMETTE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Glenn Creek-Willamette River (HUC 170900070303) |
| Other EPA IDs (FRS) | RCRA handler ORD987167798 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 8With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 26 | 16 | 8 | February 29, 2024 | 99,999% over the limit |
| Solids, total suspended | 26 | 12 | 4 | February 28, 2017 | 44% over the limit |
| E. coli | 8 | 4 | 4 | April 30, 2019 | 496% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 2 | 2 | December 31, 2015 | 32% over the limit |
| pH, minimum | 3 | 1 | 1 | November 30, 2021 | |
| Chlorine, total residual | 2 | 1 | 1 | January 31, 2016 | 335% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 153 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 1 | 0 | ||
| pH, maximum | 3 | 0 | 0 | ||
| Solids, suspended percent removal | 2 | 0 | 0 | ||
| Report due [yrmoda] | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphate, total [as PO4] | 1 | 0 | 0 | ||
| Iron, total [as Fe] | 1 | 0 | 0 | ||
| Ultraviolet light intensity | 1 | 0 | 0 | ||
| Chlorine usage | 1 | 0 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 1, 2020 | Management Practice Violations - Improper Land Application (non-503 non-CAFO) | ST6 |
| August 1, 2020 | Effluent Violations - Narrative Effluent Violation | ST6 |
| February 27, 2018 | Management Practice Violations - Improper Land Application (non-503 non-CAFO) | ST6 |
| February 27, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, OR0026409.
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How we handle your data → Privacy
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 OR0026409 there.
Nearby on the register
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- Every permit record in Salem, A to Z
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- Every permit record in Oregon, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.