Clean Water Act discharge permit · NPDES OR0020729
CANYONVILLE STP, Canyonville, OR: NPDES OR0020729 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
CANYONVILLE STP, held by CANYONVILLE, CITY OF, holds NPDES permit OR0020729, which discharges to South Umpqua River. EPA’s file records it issued January 3, 2012 and expiring June 30, 2016. 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 | CANYONVILLE STP |
|---|---|
| Permittee as filed | CANYONVILLE, CITY OF |
| NPDES ID | OR0020729 |
| 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 | January 3, 2012 |
| Expiration date | June 30, 2016 |
| Address | Canyonville, OR 97417 |
| Receiving water | SOUTH UMPQUA RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | O'Shea Creek-South Umpqua River (HUC 171003020508) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 16Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 6 | 11 | 3 | July 31, 2024 | 105% over the limit |
| Solids, total suspended | 11 | 4 | 3 | May 31, 2025 | 27% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 12 | 2 | May 31, 2020 | 83% over the limit |
| Temperature, water deg. centigrade | 2 | 9 | 0 | ||
| Flow rate | 1 | 6 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 11 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| E. coli | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 | ||
| Excess thermal load | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 17, 2025 | WW SSO - Discharge to Waters | ST6 |
| May 1, 2025 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 1, 2024 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 9, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| October 1, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 1, 2018 | Effluent Violations - Numeric effluent 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
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, OR0020729.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 OR0020729 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.