Non-Compliance
Clean Water Act
DERBY FIELD, CARMODY, USA & USA CH LEASES
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
UNKNOWN
UNKNOWN, WY 00000
View on map ↗ - Inspections
- 6 · last Oct 28, 2025
- Total Penalties
- $0
- Registry ID
- 110055194524
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
4
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Effluent Violations - Numeric effluent violation | Sep 2, 2025 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 25, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 19, 2025 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 6.50 pCi/L | 5.00 | +30% | Apr 2016 | Resolved |
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 7.30 pCi/L | 5.00 | +46% | Feb 2016 | Resolved |
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 5.90 pCi/L | 5.00 | +18% | Dec 2015 | Open |
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 5.40 pCi/L | 5.00 | +8% | Oct 2015 | Open |
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 5.10 pCi/L | 5.00 | +2% | Aug 2015 | Open |
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 5.10 pCi/L | 5.00 | +2% | Jun 2015 | Open |
| Radium 226 + radium 228, total | DMR, Limited - Numeric Violation | 6.40 pCi/L | 5.00 | +28% | Apr 2015 | Open |
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