Clean Water Act discharge permit · NPDES MT0020371
EKALAKA WWTF, Ekalaka, MT: NPDES MT0020371 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
EKALAKA WWTF, held by TOWN OF EKALAKA, holds NPDES permit MT0020371, which discharges to Russell Creek. EPA’s file records it issued June 3, 2016 and expiring July 31, 2021. 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 | EKALAKA WWTF |
|---|---|
| Permittee as filed | TOWN OF EKALAKA |
| NPDES ID | MT0020371 |
| 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 3, 2016 |
| Expiration date | July 31, 2021 |
| Issuing agency | MONTANA DEQ |
| Address | Ekalaka, MT 59324 |
| Receiving water | RUSSELL CREEK |
| Subwatershed | Russell Creek (HUC 101102011004) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 8Under a numeric limit
- 13With a violation of any kind
- 6With 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 | 5 | 223 | 82 | July 31, 2026 | 964% over the limit |
| E. coli, MTEC-MF | 4 | 92 | 34 | May 31, 2024 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 48 | 20 | September 30, 2025 | 567% over the limit |
| Solids, total suspended | 5 | 148 | 12 | July 31, 2026 | 1,569% over the limit |
| pH | 2 | 66 | 8 | February 28, 2025 | |
| Coliform, fecal general | 0 | 7 | 6 | September 30, 2008 | 1,600% over the limit |
| Flow rate | 0 | 47 | 0 | ||
| Duration | 0 | 23 | 0 | ||
| Flow rate | 2 | 4 | 0 | ||
| Solids, suspended percent removal | 0 | 4 | 0 | ||
| Oil and grease visual | 1 | 2 | 0 | ||
| Oil & Grease | 0 | 2 | 0 | ||
| Oil and grease, hexane extr method | 1 | 1 | 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 |
|---|---|---|
| September 12, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 12, 2024 | Monitoring Violations - Analysis not Conducted | ST6 |
| September 12, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| September 12, 2024 | 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
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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 MT0020371 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.