Clean Water Act discharge permit · NPDES MT0022713
STEVENSVILLE WASTE WATER TREATMENT PLANT, Stevensville, MT: NPDES MT0022713 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
STEVENSVILLE WASTE WATER TREATMENT PLANT, held by TOWN OF STEVENSVILLE, holds NPDES permit MT0022713, which discharges to Bitterroot River. EPA’s file records it issued May 9, 2012 and expiring June 30, 2017. 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 | STEVENSVILLE WASTE WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | TOWN OF STEVENSVILLE |
| NPDES ID | MT0022713 |
| 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 | May 9, 2012 |
| Expiration date | June 30, 2017 |
| Issuing agency | MONTANA DEQ |
| Address | Stevensville, MT 59870 |
| Receiving water | BITTERROOT RIVER |
| Subwatershed | Burnt Fork Bitterroot River-Stevensville (HUC 170102051305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 16Under a numeric limit
- 22With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| E. coli, MTEC-MF | 4 | 42 | 42 | December 31, 2024 | 9,503% over the limit |
| Phosphorus, total [as P] | 3 | 37 | 14 | August 31, 2016 | 75% over the limit |
| Solids, total suspended | 6 | 24 | 14 | December 31, 2024 | 116% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 17 | 11 | December 31, 2020 | 786% over the limit |
| Solids, suspended percent removal | 1 | 9 | 7 | February 28, 2011 | 93% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 16 | 6 | December 31, 2024 | 91% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 3 | September 30, 2021 | 51% over the limit |
| Coliform, fecal general | 0 | 4 | 3 | August 31, 2000 | 72% over the limit |
| pH | 2 | 7 | 2 | March 31, 2010 | |
| Chlorine, total residual | 0 | 2 | 2 | December 31, 2009 | 584% over the limit |
| Nitrite + Nitrate total [as N] | 4 | 4 | 1 | July 31, 2017 | 20% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 1 | 16 | 0 | ||
| Nitrogen, total [as N] | 4 | 13 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 12 | 0 | ||
| Temperature, water deg. centigrade | 2 | 9 | 0 | ||
| Flow rate | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Oil and grease, hexane extr method | 1 | 1 | 0 | ||
| Report due [yrmoda] | 1 | 1 | 0 | ||
| Oil and grease visual | 0 | 1 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 0 | 1 | 0 | ||
| Flow rate | 4 | 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 |
|---|---|---|
| December 20, 2022 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| December 20, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 20, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 20, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | 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, MT0022713.
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 MT0022713 there.
Nearby on the register
- Discharge permits in Stevensville
- Every permit record in Stevensville, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.