Clean Water Act discharge permit · NPDES WYR320501
LANCASTER PIT (LQD SP0713), Afton, WY: NPDES WYR320501 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LANCASTER PIT (LQD SP0713), held by Avail Valley Construction-WY LLC, holds NPDES permit WYR320501. EPA’s file records it issued April 1, 2018 and expiring March 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LANCASTER PIT (LQD SP0713) |
|---|---|
| Permittee as filed | Avail Valley Construction-WY LLC |
| NPDES ID | WYR320501 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | April 1, 2018 |
| Expiration date | March 31, 2023 |
| Address | Afton, WY 83110 |
| Subwatershed | Salt River-Water Creek (HUC 170401050201) |
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 WYR320501.
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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 6, 2025 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| November 6, 2025 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| November 6, 2025 | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | ST6 |
| November 6, 2025 | WW Storm Water Non-Construction - Failure to Conduct Inspections | 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, WYR320501.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 WYR320501 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 14, 2026.