Clean Water Act discharge permit · NPDES MT0020303
BRIDGER WWTP, Bridger, MT: NPDES MT0020303 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
BRIDGER WWTP, held by TOWN OF BRIDGER, holds NPDES permit MT0020303, which discharges to Clarks Fork Yellowstone River. EPA’s file records it issued June 24, 2010 and expiring July 31, 2015. 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 | BRIDGER WWTP |
|---|---|
| Permittee as filed | TOWN OF BRIDGER |
| NPDES ID | MT0020303 |
| 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 | June 24, 2010 |
| Expiration date | July 31, 2015 |
| Issuing agency | MONTANA DEQ |
| Address | Bridger, MT 59014 |
| Receiving water | CLARKS FORK YELLOWSTONE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Clarks Fork Yellowstone River-Skunk Creek (HUC 100700060801) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 24Pollutants on file
- 19Under a numeric limit
- 23With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 21 | 13 | April 30, 2023 | 71% over the limit |
| Nitrogen, total [as N] | 3 | 15 | 8 | October 31, 2016 | 84% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 13 | 7 | April 30, 2026 | 54% over the limit |
| E. coli, MTEC-MF | 6 | 8 | 4 | April 30, 2014 | 537% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 4 | May 31, 2014 | 102% over the limit |
| Solids, total suspended | 4 | 5 | 3 | June 30, 2018 | 103% over the limit |
| pH | 2 | 2 | 2 | May 31, 2013 | |
| Phosphorus, total [as P] | 3 | 23 | 1 | December 31, 2013 | 16% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 1 | 11 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 11 | 0 | ||
| Salinity | 0 | 8 | 0 | ||
| Chloride [as Cl] | 0 | 8 | 0 | ||
| Solids, total dissolved | 0 | 8 | 0 | ||
| Oil and grease, hexane extr method | 1 | 5 | 0 | ||
| Oil and grease visual | 1 | 5 | 0 | ||
| Iron, total recoverable | 1 | 4 | 0 | ||
| Lead, total recoverable | 1 | 4 | 0 | ||
| Copper, total recoverable | 1 | 4 | 0 | ||
| Mercury, total recoverable | 1 | 4 | 0 | ||
| Flow rate | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Flow rate | 0 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 30, 2022 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| November 30, 2022 | Management Practice Violations - Failure to Maintain Records | ST6 |
| November 30, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 30, 2022 | Management Practice Violations - Failure to Conduct Inspections | ST6 |
| December 6, 2018 | Management Practice Violations - Failure to Maintain Records | 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 MT0020303 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.