Clean Water Act discharge permit · NPDES WY0044539
ETHETE WATER TREATMENT PLANT, Ethete, WY: NPDES WY0044539 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ETHETE WATER TREATMENT PLANT holds NPDES permit WY0044539, which discharges to Little Wind River. EPA’s file records it issued December 26, 2006 and expiring December 31, 2011. 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 | ETHETE WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | ETHETE WATER TREATMENT PLANT |
| NPDES ID | WY0044539 |
| 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 |
| Issued | December 26, 2006 |
| Expiration date | December 31, 2011 |
| Address | Ethete, WY 82520 |
| Receiving water | LITTLE WIND RIVER |
| Subwatershed | Mill Creek Drain-Little Wind River (HUC 100800020203) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 463 | 87 | March 31, 2014 | 99,999% over the limit |
| pH | 4 | 287 | 15 | April 30, 2019 | |
| Aluminum, total recoverable | 4 | 280 | 4 | March 31, 2013 | 39% over the limit |
| Chlorine, total residual | 2 | 138 | 1 | December 31, 2007 | 124% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 302 | 0 | ||
| Duration of discharge | 1 | 86 | 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 WY0044539.
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
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, WY0044539.
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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 WY0044539 there.
Nearby on the register
- Discharge permits in Ethete
- Every permit record in Ethete, A to Z
- Discharge permits in Wyoming
- Every permit record in Wyoming, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.