Clean Water Act discharge permit · NPDES WYR321011
SHERMAN HILLS QUARRY, (Unknown City), WY: NPDES WYR321011 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SHERMAN HILLS QUARRY, held by Loudwire Materials LLC, holds NPDES permit WYR321011. EPA’s file records it issued February 19, 2025 and expiring December 31, 2029. 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.
What the register holds for SHERMAN HILLS QUARRY: its NPDES ID, its permit type and status, its dates, its address in (Unknown City), Wyoming. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WYR321011.
Identity
| Facility as filed | SHERMAN HILLS QUARRY |
|---|---|
| Permittee as filed | Loudwire Materials LLC |
| NPDES ID | WYR321011 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 19, 2025 |
| Expiration date | December 31, 2029 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | (Unknown City), WY |
| Subwatershed | Lower Dale Creek (HUC 101900070502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES WYR321011.
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 WYR321011.
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 WYR321011 there.
Nearby on the register
- Discharge permits in (Unknown City)
- Every permit record in (Unknown City), 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.