Clean Water Act discharge permit · NPDES OR0023612
PRINEVILLE STP, Prineville, OR: NPDES OR0023612 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PRINEVILLE STP, held by PRINEVILLE, CITY OF, holds NPDES permit OR0023612, which discharges to Crooked River (Rm 46.8). EPA’s file records it issued February 5, 2003 and expiring January 31, 2008. 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 | PRINEVILLE STP |
|---|---|
| Permittee as filed | PRINEVILLE, CITY OF |
| NPDES ID | OR0023612 |
| 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 | February 5, 2003 |
| Expiration date | January 31, 2008 |
| Address | Prineville, OR 97754 |
| Receiving water | CROOKED RIVER (RM 46.8) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Town of Prineville-Ochoco Creek (HUC 170703050404) |
| 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
- 21Pollutants on file
- 0Under a numeric limit
- 21With 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 | 0 | 180 | 25 | January 31, 2024 | 235% over the limit |
| Chlorine, total residual | 0 | 14 | 4 | December 31, 2015 | 33% over the limit |
| pH | 0 | 41 | 2 | December 31, 2014 | |
| Solids, suspended percent removal | 0 | 12 | 2 | January 31, 2024 | 187% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 121 | 1 | July 31, 2018 | 15% over the limit |
| E. coli | 0 | 128 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 45 | 0 | ||
| Turbidity | 0 | 40 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 0 | 37 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 16 | 0 | ||
| Temperature, water deg. centigrade | 0 | 10 | 0 | ||
| Coliform, total general | 0 | 8 | 0 | ||
| Water Elevation | 0 | 7 | 0 | ||
| Flow rate | 0 | 6 | 0 | ||
| Conductivity | 0 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 6 | 0 | ||
| Solids, total dissolved | 0 | 6 | 0 | ||
| BOD, 5-day, percent removal | 0 | 6 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 4 | 0 | ||
| Chlorine usage | 0 | 4 | 0 | ||
| Alkalinity, total [as CaCO3] | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 9, 2024 | Failure to properly operate or maintain industrial stormwater controls | ST6 |
| September 1, 2024 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| July 30, 2024 | Failure to submit required report within 30 days of applicable due date (Level I) | ST6 |
| March 1, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 1, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 1, 2023 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| January 1, 2021 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| July 1, 2017 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | 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, OR0023612.
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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 OR0023612 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.