Clean Water Act discharge permit · NPDES WY0056529
HAYDEN RESERVOIRS, (Unknown City), WY: NPDES WY0056529 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
HAYDEN RESERVOIRS, held by Carbon Creek Energy, LLC, holds NPDES permit WY0056529. EPA’s file records it issued April 13, 2018 and expiring June 30, 2023. 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 | HAYDEN RESERVOIRS |
|---|---|
| Permittee as filed | Carbon Creek Energy, LLC |
| NPDES ID | WY0056529 |
| 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 | April 13, 2018 |
| Expiration date | June 30, 2023 |
| Issuing agency | WDEQ |
| Address | (Unknown City), WY |
| Subwatershed | Upper Fortification Creek (HUC 100902020701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Barium, total recoverable | 0 | 8 | 8 | April 30, 2010 | 30% over the limit |
| Specific conductance | 11 | 13 | 1 | September 30, 2010 | 6% over the limit |
| Iron, dissolved [as Fe] | 6 | 1 | 1 | January 31, 2010 | 253% over the limit |
| pH | 22 | 24 | 0 | ||
| Chloride | 11 | 12 | 0 | ||
| Solids, total dissolved | 11 | 12 | 0 | ||
| Fluoride, dissolved [as F] | 5 | 12 | 0 | ||
| Selenium, total [as Se] | 5 | 12 | 0 | ||
| Sulfate | 5 | 12 | 0 | ||
| Flow | 12 | 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 WY0056529.
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.
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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 WY0056529 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.