Clean Water Act discharge permit · NPDES MTG580026
OUTLOOK SEWER AND WATER WWTF, Outlook, MT: NPDES MTG580026 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
OUTLOOK SEWER AND WATER WWTF, held by OUTLOOK COUNTY SEWER AND WATER, holds NPDES permit MTG580026, which discharges to Ephemeral Trib To Plentywood Creek. EPA’s file records it issued December 28, 2017 and expiring December 31, 2022. 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 | OUTLOOK SEWER AND WATER WWTF |
|---|---|
| Permittee as filed | OUTLOOK COUNTY SEWER AND WATER |
| NPDES ID | MTG580026 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 28, 2017 |
| Expiration date | December 31, 2022 |
| Address | Outlook, MT 59252 |
| Receiving water | EPHEMERAL TRIB TO PLENTYWOOD CREEK |
| Subwatershed | Upper Plentywood Creek (HUC 100600060501) |
| 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
- 20Pollutants on file
- 9Under a numeric limit
- 20With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 75 | 0 | ||
| Solids, total suspended | 4 | 62 | 0 | ||
| Nitrogen, total [as N] | 0 | 41 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 41 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 41 | 0 | ||
| Phosphorus, total [as P] | 0 | 41 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 37 | 0 | ||
| Duration of discharge | 1 | 26 | 0 | ||
| pH | 2 | 24 | 0 | ||
| Flow rate | 2 | 21 | 0 | ||
| Flow rate | 0 | 21 | 0 | ||
| E. coli, MTEC-MF | 4 | 20 | 0 | ||
| Coliform, fecal general | 0 | 11 | 0 | ||
| BOD, 5-day, percent removal | 1 | 8 | 0 | ||
| Oil & Grease | 1 | 7 | 0 | ||
| Oil and grease visual | 1 | 7 | 0 | ||
| Chlorine, total residual | 0 | 6 | 0 | ||
| Temperature, water deg. centigrade | 0 | 4 | 0 | ||
| Oil and grease, hexane extr method | 0 | 3 | 0 | ||
| Solids, suspended percent removal | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG580026.
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 21, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 21, 2022 | Management Practice Violations - Failure to Conduct Inspections | 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.
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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 MTG580026 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.