Clean Water Act discharge permit · NPDES MT0030601
LAKE MCDONALD WWTP GLACIER NATIONAL PARK, West Glacier, MT: NPDES MT0030601 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
LAKE MCDONALD WWTP GLACIER NATIONAL PARK, held by GLACIER NATIONAL PARK, holds NPDES permit MT0030601, which discharges to Middle Fork Of Flathead River. EPA’s file records it issued April 24, 2002 and expiring May 31, 2007. 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 | LAKE MCDONALD WWTP GLACIER NATIONAL PARK |
|---|---|
| Permittee as filed | GLACIER NATIONAL PARK |
| NPDES ID | MT0030601 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | April 24, 2002 |
| Expiration date | May 31, 2007 |
| Issuing agency | MONTANA DEQ |
| Address | West Glacier, MT 59936 |
| Receiving water | MIDDLE FORK OF FLATHEAD RIVER |
| Subwatershed | Middle Fork Flathead River-McDonald Creek (HUC 170102070505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 12Under a numeric limit
- 15With 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 |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 2 | 13 | 7 | May 31, 2026 | 311% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 12 | 0 | ||
| Solids, total suspended | 2 | 12 | 0 | ||
| pH | 4 | 10 | 0 | ||
| Flow rate | 2 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 6 | 0 | ||
| Phosphorus, total [as P] | 2 | 6 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 5 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 5 | 0 | ||
| BOD, 5-day, percent removal | 2 | 5 | 0 | ||
| Solids, suspended percent removal | 2 | 5 | 0 | ||
| Coliform, fecal general | 2 | 4 | 0 | ||
| E. coli | 0 | 2 | 0 | ||
| Oil and grease, hexane extr method | 0 | 1 | 0 | ||
| Oil and grease visual | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 12, 2026 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| August 12, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| August 12, 2026 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| August 12, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 12, 2026 | Management Practice Violations - Failure to Maintain Records | 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 MT0030601 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.