Non-Compliance
Clean Water Act
DAVE JOHNSTON POWER PLANT
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
- 7 · last Jun 9, 2025
- Total Penalties
- $0
- Registry ID
- 110064618622
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 | Aug 20, 2015 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.50 mg/L | 30.00 | +72% | Jun 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 118.50 mg/L | 100.00 | +19% | Jun 2024 | Open |
| Oxidants, total residual | DMR, Limited - Numeric Violation | 0.80 mg/L | 0.05 | +1,502% | Jan 2018 | Open |
| Oxidants, total residual | DMR, Limited - Overdue | 2.76 kg/d | 1.84 | +50% | Jan 2018 | Resolved |
| Oxidants, total residual | DMR, Limited - Numeric Violation | 2.76 kg/d | 1.84 | +50% | Jan 2018 | Open |
| Oxidants, total residual | DMR, Limited - Overdue | 0.80 mg/L | 0.05 | +1,502% | Jan 2018 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.08 mg/L | 1.00 | +8% | Jun 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.21 mg/L | 30.00 | +24% | May 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.50 mg/L | 30.00 | +22% | Apr 2016 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Mar 2016 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.04 mg/L | 1.00 | +4% | Aug 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.60 mg/L | 30.00 | +49% | Jul 2015 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.04 mg/L | 1.00 | +4% | Jun 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 43.70 mg/L | 30.00 | +46% | Jun 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.40 mg/L | 30.00 | +8% | May 2015 | Open |
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