Clean Water Act discharge permit · NPDES MT0029360
LAME DEER LAGOON, Lame Deer, MT: NPDES MT0029360 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
LAME DEER LAGOON, held by Northern Cheyenne Utilities Commission, holds NPDES permit MT0029360, which discharges to Lame Deer Creek. EPA’s file records it issued January 18, 2018 and expiring December 31, 2022. 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 | LAME DEER LAGOON |
|---|---|
| Permittee as filed | Northern Cheyenne Utilities Commission |
| NPDES ID | MT0029360 |
| 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 | January 18, 2018 |
| Expiration date | December 31, 2022 |
| Issuing agency | U.S. EPA Region 8 |
| Address | Lame Deer, MT 59043 |
| Receiving water | LAME DEER CREEK |
| Subwatershed | Lame Deer Creek (HUC 101000030404) |
| Other EPA IDs (FRS) | RCRA handler XHM000005884 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 22Pollutants 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 396 | 43 | January 31, 2026 | 267% over the limit |
| Coliform, fecal general | 2 | 242 | 37 | May 31, 2017 | 129,900% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 103 | 37 | June 30, 2026 | 1,916% over the limit |
| E. coli | 2 | 199 | 35 | June 30, 2026 | 244,027% over the limit |
| pH | 4 | 481 | 26 | June 30, 2026 | |
| Solids, total suspended | 2 | 385 | 23 | April 30, 2026 | 167% over the limit |
| Oxygen, dissolved [DO] | 2 | 185 | 23 | June 30, 2026 | 98% over the limit |
| Oil and grease visual | 1 | 181 | 6 | May 31, 2026 | 2,147,483,650% over the limit |
| Solids, suspended percent removal | 0 | 23 | 5 | June 30, 2026 | 1,423% over the limit |
| Temperature, water deg. centigrade | 2 | 166 | 3 | May 31, 2026 | 145% over the limit |
| BOD, 5-day, percent removal | 0 | 22 | 3 | August 31, 2025 | 283% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 366 | 0 | ||
| Oil & Grease | 1 | 167 | 0 | ||
| Chlorine, total residual | 2 | 162 | 0 | ||
| Nitrogen, total [as N] | 1 | 115 | 0 | ||
| Phosphorus, total [as P] | 1 | 115 | 0 | ||
| Solids, total dissolved | 1 | 71 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 64 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 44 | 0 | ||
| Nitrogen, Kjeldahl Total | 0 | 44 | 0 | ||
| Solids, total dissolved [TDS] | 0 | 44 | 0 | ||
| Flow, total | 0 | 34 | 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 MT0029360.
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 MT0029360 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.