Clean Water Act discharge permit · NPDES OR0020842
SUTHERLIN STP, Sutherlin, OR: NPDES OR0020842 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SUTHERLIN STP, held by SUTHERLIN, CITY OF, holds NPDES permit OR0020842, which discharges to Calapooia Creek. EPA’s file records it issued July 9, 2019 and expiring June 30, 2024. 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 | SUTHERLIN STP |
|---|---|
| Permittee as filed | SUTHERLIN, CITY OF |
| NPDES ID | OR0020842 |
| 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 9, 2019 |
| Expiration date | June 30, 2024 |
| Address | Sutherlin, OR 97479 |
| Receiving water | CALAPOOIA CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Williams Creek-Calapooya Creek (HUC 171003030106) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 15Pollutants on file
- 14Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 4 | 29 | 29 | October 31, 2021 | 5,500% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 16 | 14 | November 30, 2023 | 82% over the limit |
| Flow, in conduit or thru treatment plant | 11 | 7 | 7 | June 30, 2022 | 2,147,483,650% over the limit |
| Flow, total | 0 | 3 | 3 | July 31, 2019 | 2,147,483,650% over the limit |
| Excess thermal load | 2 | 4 | 1 | November 30, 2022 | 321% over the limit |
| Ultraviolet light dosage | 3 | 9 | 0 | ||
| E. coli | 8 | 5 | 0 | ||
| BOD, 5-day, 20 deg. C | 51 | 0 | 0 | ||
| Solids, total suspended | 50 | 0 | 0 | ||
| pH | 10 | 0 | 0 | ||
| Flow rate | 2 | 0 | 0 | ||
| BOD, 5-day, percent removal | 2 | 0 | 0 | ||
| Solids, suspended percent removal | 2 | 0 | 0 | ||
| Chlorine usage | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 1, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| January 1, 2022 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| January 1, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 23, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 23, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| September 23, 2021 | Management Practice Violations - Failure to Maintain Records | ST6 |
| September 23, 2021 | Reporting Violations - Failure to Notify | ST6 |
| September 9, 2021 | Reporting Violations - Failure to Notify | 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, OR0020842.
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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 OR0020842 there.
Nearby on the register
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- Every permit record in Oregon, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.