Non-Compliance
Clean Water Act
RIVERSIDE WASTE WATER TREATMENT FACILITY
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
-
1250 N CENTER
CASPER, WY 82601
View on map ↗ - County
- NATRONA County
- Inspections
- 6 · last May 2, 2024
- Total Penalties
- $0
- Registry ID
- 110055197834
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.
7
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 | Reporting Violations - Failure to Submit DMRs | Sep 21, 2021 | — | Open |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Aug 18, 2021 | — | Open |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Aug 17, 2021 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Aug 17, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 8, 2010 | Mar 9, 2011 | Resolved |
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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 83.00 mg/L | 45.00 | +84% | Dec 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 920.80 MPN/100mL | 630.00 | +46% | Dec 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 83.00 mg/L | 30.00 | +177% | Dec 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 45.00 % | 85.00 | +267% | Dec 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 576.00 | +320% | Aug 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 1.37 % | 85.00 | +558% | Aug 2025 | Open |
| Flow | DMR, Limited - Numeric Violation | 0.13 MGD | 0.02 | +740% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 145.00 mg/L | 45.00 | +222% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 145.00 mg/L | 90.00 | +61% | Aug 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,553.15 MPN/100mL | 126.00 | +1,133% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 145.00 mg/L | 30.00 | +383% | Aug 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 75.00 % | 85.00 | +67% | Apr 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Apr 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,273.00 MPN/100mL | 126.00 | +910% | Apr 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 576.00 | +320% | Apr 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 630.00 | +284% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 170.00 mg/L | 90.00 | +89% | Jan 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 57.00 % | 85.00 | +187% | Jan 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 165.75 mg/L | 150.00 | +11% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 170.00 mg/L | 30.00 | +467% | Jan 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 630.00 | +284% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 170.00 mg/L | 45.00 | +278% | Jan 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 576.00 | +320% | Sep 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 126.00 | +1,820% | Sep 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 78.00 mg/L | 30.00 | +160% | Sep 2024 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 40.00 % | 85.00 | +300% | Sep 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 78.00 mg/L | 45.00 | +73% | Sep 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 82.00 % | 85.00 | +20% | May 2024 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 75.00 % | 85.00 | +67% | Apr 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,986.00 MPN/100mL | 630.00 | +215% | Dec 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,190.00 MPN/100mL | 630.00 | +89% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 117.00 mg/L | 100.00 | +17% | Dec 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,986.30 MPN/100mL | 576.00 | +245% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | May 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 416.36 MPN/100mL | 126.00 | +230% | May 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 65.00 % | 85.00 | +133% | May 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 75.00 mg/L | 45.00 | +67% | Apr 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | -29.00 % | 85.00 | +760% | Apr 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 75.00 mg/L | 30.00 | +150% | Apr 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 228.20 MPN/100mL | 126.00 | +81% | Apr 2023 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 45.00 % | 85.00 | +267% | Nov 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Nov 2022 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | May 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | May 2022 | Open |
| Flow | DMR, Limited - Numeric Violation | 0.14 MGD | 0.02 | +860% | Oct 2021 | Open |
| Flow | DMR, Limited - Overdue | 0.14 MGD | 0.02 | +860% | Oct 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.00 mg/L | 30.00 | +67% | Jun 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 50.00 mg/L | 30.00 | +67% | Jun 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 50.00 mg/L | 45.00 | +11% | Jun 2021 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Jun 2021 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
State CWA Non Penalty AO
Clean Water Act
· Case WY-12120 · Nov 17, 2009
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