Clean Water Act discharge permit · NPDES WY0025607
SHELDON DOME FIELD, C R I Ranch, WY: NPDES WY0025607 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SHELDON DOME FIELD, held by WESCO OPERATING, holds NPDES permit WY0025607, which discharges to Dry Creek (2). EPA’s file records it issued September 30, 2005 and expiring September 30, 2010. 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 | SHELDON DOME FIELD |
|---|---|
| Permittee as filed | WESCO OPERATING |
| NPDES ID | WY0025607 |
| 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 | September 30, 2005 |
| Expiration date | September 30, 2010 |
| Address | C R I Ranch, WY 82501 |
| Receiving water | Dry Creek (2) |
| Subwatershed | Middle Dry Creek (HUC 100800010902) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 11With 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 |
|---|---|---|---|---|---|
| pH | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Specific conductance | 1 | 3 | 0 | ||
| Sulfate [as S] | 1 | 3 | 0 | ||
| Oil & Grease | 1 | 3 | 0 | ||
| Chloride [as Cl] | 1 | 3 | 0 | ||
| Radium 226, total | 1 | 3 | 0 | ||
| Solids, total dissolved | 1 | 3 | 0 | ||
| Pass/Fail Static 48Hr Acute Daphnia Magna | 0 | 2 | 0 | ||
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 0 | 2 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WY0025607.
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 WY0025607.
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, WY0025607.
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 WY0025607 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.