Clean Water Act discharge permit · NPDES MTG010185
GLASGOW STOCKYARDS, Glasgow, MT: NPDES MTG010185 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
GLASGOW STOCKYARDS, held by Glasgow Stockyards I LLC, holds NPDES permit MTG010185, which discharges to Milk River. EPA’s file records it issued October 19, 2021 and expiring October 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GLASGOW STOCKYARDS |
|---|---|
| Permittee as filed | Glasgow Stockyards I LLC |
| NPDES ID | MTG010185 |
| 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 | Not a publicly owned treatment works |
| Program | Concentrated animal feeding operations |
| Issued | October 19, 2021 |
| Expiration date | October 31, 2023 |
| Address | Glasgow, MT 59230 |
| Receiving water | MILK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Milk River-Glasgow (HUC 100500121001) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 0Under a numeric limit
- 11With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Nitrite + Nitrate total [as N] | 0 | 12 | 6 | December 31, 2013 | 87% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 5 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 4 | 0 | ||
| Solids, total suspended | 0 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Phosphorus, total [as P] | 0 | 4 | 0 | ||
| E. coli, MTEC-MF | 0 | 4 | 0 | ||
| pH | 0 | 3 | 0 | ||
| Duration | 0 | 1 | 0 | ||
| Volume, total | 0 | 1 | 0 | ||
| Water level at sample collection time | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG010185.
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 MTG010185 there.
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.