Clean Water Act discharge permit · NPDES MT0020591
HOT SPRINGS, TOWN OF, Hot Springs, MT: NPDES MT0020591 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
HOT SPRINGS, TOWN OF holds NPDES permit MT0020591, which discharges to Hot Springs Creek. EPA’s file records it issued September 19, 2011 and expiring September 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 | HOT SPRINGS, TOWN OF |
|---|---|
| Permittee as filed | HOT SPRINGS, TOWN OF |
| NPDES ID | MT0020591 |
| 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 | September 19, 2011 |
| Expiration date | September 30, 2016 |
| Issuing agency | U.S. EPA Region 8 |
| Address | Hot Springs, MT 59845 |
| Receiving water | Hot Springs Creek |
| Subwatershed | Hot Springs Creek (HUC 170102120401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 10Under a numeric limit
- 22With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 152 | 63 | December 31, 2025 | 4,230% over the limit |
| E. coli, MTEC-MF | 2 | 102 | 44 | April 30, 2018 | 6,011% over the limit |
| Chlorine, total residual | 2 | 87 | 41 | March 31, 2016 | 1,600% over the limit |
| Solids, total suspended | 2 | 178 | 36 | August 31, 2024 | 607% over the limit |
| E. coli | 0 | 62 | 34 | March 31, 2026 | 1,524% over the limit |
| Solids, suspended percent removal | 0 | 38 | 26 | June 30, 2011 | 93% over the limit |
| BOD, 5-day, percent removal | 0 | 37 | 26 | September 30, 2011 | 82% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 159 | 18 | August 31, 2025 | 633% over the limit |
| pH | 2 | 90 | 12 | August 31, 2024 | |
| Oil and grease visual | 1 | 22 | 1 | March 31, 2009 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 66 | 0 | ||
| Oil & Grease | 1 | 24 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 24 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 20 | 0 | ||
| Phosphorus, total [as P] | 0 | 20 | 0 | ||
| Solids, total dissolved | 0 | 20 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 13 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 13 | 0 | ||
| Temperature, water deg. centigrade | 0 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 6 | 0 | ||
| Date of Sample Collection | 0 | 6 | 0 | ||
| Time of Sample Collection | 0 | 6 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MT0020591.
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 MT0020591 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.