Clean Water Act discharge permit · NPDES OR0031224
MWMC - EUGENE/SPRINGFIELD STP, Eugene, OR: NPDES OR0031224 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MWMC - EUGENE/SPRINGFIELD STP, held by METROPOLITAN WASTEWATER MANAGEMENT COMMISSION, holds NPDES permit OR0031224, which discharges to Willamette River. EPA’s file records it issued May 1, 2002 and expiring December 31, 2006. 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 | MWMC - EUGENE/SPRINGFIELD STP |
|---|---|
| Permittee as filed | METROPOLITAN WASTEWATER MANAGEMENT COMMISSION |
| NPDES ID | OR0031224 |
| 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 | May 1, 2002 |
| Expiration date | December 31, 2006 |
| Address | Eugene, OR 97404 |
| Receiving water | WILLAMETTE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sring Creek-Willamette River (HUC 170900030601) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 17Under a numeric limit
- 11With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 25 | 13 | 4 | May 31, 2024 | 93% over the limit |
| pH | 4 | 2 | 2 | January 31, 2025 | |
| BOD, carbonaceous [5 day, 20 C] | 25 | 15 | 1 | May 31, 2005 | 1% over the limit |
| E. coli | 7 | 1 | 1 | January 31, 2006 | 146% over the limit |
| Chlorine, total residual | 2 | 1 | 1 | April 30, 2010 | 4,067% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 148 | 0 | ||
| Chlorine usage | 2 | 84 | 0 | ||
| Temperature, water deg. centigrade | 0 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 5 | 0 | ||
| Excess thermal load | 1 | 3 | 0 | ||
| BOD, carbonaceous, percent removal | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Report due [yrmoda] | 2 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 0 | 0 | ||
| Thermal Discharge | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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 |
|---|---|---|
| September 1, 2023 | Monitoring Violations - Failure to Monitor for Toxicity Requirements | ST6 |
| October 1, 2021 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| February 25, 2019 | WW SSO - Discharge to Waters | ST6 |
| November 1, 2018 | Monitoring Violations - Frequency of Sampling Violation | 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
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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 OR0031224 there.
Nearby on the register
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- Every permit record in Eugene, 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.