Clean Water Act discharge permit · NPDES WYR106224
CASPER MARGINAL (I-25 OVER WALSH DRIVE) NHF-I254160 & STP-E-I254165, (Unknown City), WY: NPDES WYR106224 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CASPER MARGINAL (I-25 OVER WALSH DRIVE) NHF-I254160 & STP-E-I254165, held by Ames Construction, holds NPDES permit WYR106224. EPA’s file records it issued September 11, 2020 and expiring August 1, 2025. 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 | CASPER MARGINAL (I-25 OVER WALSH DRIVE) NHF-I254160 & STP-E-I254165 |
|---|---|
| Permittee as filed | Ames Construction |
| NPDES ID | WYR106224 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | September 11, 2020 |
| Expiration date | August 1, 2025 |
| Address | (Unknown City), WY |
| Subwatershed | Sage Creek-North Platte River (HUC 101800070304) |
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 WYR106224.
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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 9, 2023 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| May 9, 2023 | WW Storm Water Construction - Failure to properly operate and maintain BMPs | ST6 |
| May 9, 2023 | WW Storm Water Construction - Failure to Conduct Inspections | ST6 |
| May 9, 2023 | WW Storm Water Construction - Failure to Maintain Records | ST6 |
| May 9, 2023 | WW Storm Water Construction - Failure to properly install/implement BMPs | 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, WYR106224.
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 WYR106224 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.