Clean Water Act discharge permit · NPDES WY0052407
HWB PROJECT, WY: NPDES WY0052407 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HWB PROJECT, held by Powder Battalion Holdings, LLC, holds NPDES permit WY0052407. EPA’s file records it issued November 29, 2013 and expiring December 31, 2018. 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 | HWB PROJECT |
|---|---|
| Permittee as filed | Powder Battalion Holdings, LLC |
| NPDES ID | WY0052407 |
| 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 | November 29, 2013 |
| Expiration date | December 31, 2018 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | West Prong Hanging Women Creek (HUC 100901010702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 14With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow | 228 | 2,052 | 0 | ||
| pH | 516 | 562 | 0 | ||
| Specific conductance | 261 | 308 | 0 | ||
| Chloride | 258 | 242 | 0 | ||
| Solids, total dissolved | 258 | 242 | 0 | ||
| Fluoride, dissolved [as F] | 147 | 133 | 0 | ||
| Selenium, total recoverable | 147 | 133 | 0 | ||
| Sulfate, total [as SO4] | 147 | 98 | 0 | ||
| Iron, dissolved [as Fe] | 48 | 49 | 0 | ||
| Sulfate | 0 | 35 | 0 | ||
| Calcium, dissolved [as Ca] | 3 | 27 | 0 | ||
| Magnesium, dissolved [as Mg] | 3 | 27 | 0 | ||
| Sodium, dissolved [as Na] | 3 | 27 | 0 | ||
| Sodium adsorption ratio | 3 | 27 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WY0052407.
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 10, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 8, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
| June 12, 2019 | Management Practice Violations - Improper Operation and Maintenance | 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
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, WY0052407.
Start the watch
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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 WY0052407 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.