Clean Water Act discharge permit · NPDES WY0000116
KEMMERER WATER TREATMENT PLANT, WY: NPDES WY0000116 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
KEMMERER WATER TREATMENT PLANT, held by Kemmerer-Diamondville Joint Powers Board, holds NPDES permit WY0000116. EPA’s file records it issued September 21, 2016 and expiring December 31, 2021. 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 | KEMMERER WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | Kemmerer-Diamondville Joint Powers Board |
| NPDES ID | WY0000116 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 21, 2016 |
| Expiration date | December 31, 2021 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | Oakley Draw-Hams Fork (HUC 140401070701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| pH | 2 | 9 | 2 | December 31, 2013 | |
| Flow | 2 | 7 | 1 | July 31, 2012 | 17% over the limit |
| Solids, total suspended | 3 | 10 | 0 | ||
| Aluminum, total [as Al] | 1 | 4 | 0 | ||
| Duration | 1 | 3 | 0 | ||
| Chlorine, total residual | 1 | 3 | 0 | ||
| Solids, total dissolved | 1 | 3 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 27, 2026 | Management Practice Violations - Failure to Maintain Records | ST6 |
| February 27, 2026 | Effluent Violations - Numeric effluent violation | 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 WY0000116 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.