Clean Water Act discharge permit · NPDES MTX000151
HEBGEN LAKE ESTATES COUNTY WATER AND SEWER DISTRICT, West Yellowstone, MT: NPDES MTX000151 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
HEBGEN LAKE ESTATES COUNTY WATER AND SEWER DISTRICT, held by HEBGEN LAKE ESTATES CO WATER SEWER DISTRICT, holds NPDES permit MTX000151, which discharges to Hebgen Lake. EPA’s file records it issued July 13, 2012 and expiring August 31, 2017. 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 | HEBGEN LAKE ESTATES COUNTY WATER AND SEWER DISTRICT |
|---|---|
| Permittee as filed | HEBGEN LAKE ESTATES CO WATER SEWER DISTRICT |
| NPDES ID | MTX000151 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 13, 2012 |
| Expiration date | August 31, 2017 |
| Issuing agency | MONTANA DEQ |
| Address | West Yellowstone, MT 59758 |
| Receiving water | HEBGEN LAKE |
| Subwatershed | Duck Creek (HUC 100200070304) |
| 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
- 10Pollutants on file
- 10Under a numeric limit
- 3With 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] | 10 | 9 | 8 | June 30, 2023 | 68% over the limit |
| Flow rate | 2 | 9 | 0 | ||
| E. coli, MTEC-MF | 6 | 6 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 8 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 8 | 0 | 0 | ||
| Chloride [as Cl] | 6 | 0 | 0 | ||
| Conductivity | 3 | 0 | 0 | ||
| Water level at sample collection time | 3 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 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 MTX000151.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 1, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MTX000151.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTX000151.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MTX000151 there.
Nearby on the register
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- Every permit record in West Yellowstone, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.