Clean Water Act discharge permit · NPDES WYR321010
STAR 89 RANCH (LQD ET1715), Afton, WY: NPDES WYR321010 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
STAR 89 RANCH (LQD ET1715), held by Mountain Star Products LLC, holds NPDES permit WYR321010. EPA’s file records it issued April 18, 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 STAR 89 RANCH (LQD ET1715): its NPDES ID, its permit type and status, its dates, its address in Afton, Wyoming. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WYR321010.
Identity
| Facility as filed | STAR 89 RANCH (LQD ET1715) |
|---|---|
| Permittee as filed | Mountain Star Products LLC |
| NPDES ID | WYR321010 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 18, 2025 |
| Expiration date | December 31, 2029 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | Afton, WY 83110 |
| Subwatershed | Swift Creek (HUC 170401050109) |
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 WYR321010.
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 WYR321010.
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 WYR321010 there.
Nearby on the register
- Discharge permits in Afton
- Every permit record in Afton, 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.