ST CHARLES-MISSISSIPPI RIVER WWTF
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
-
4933 DWYER ROAD
ST. CHARLES, MO 63301
View on map ↗ - County
- ST. CHARLES County
- Inspections
- 6 · last Oct 10, 2024
- Total Penalties
- $0
- Registry ID
- 110039778032
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.
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 | Permit Violations - Violation Specified in Comment | Jul 3, 2024 | Jul 3, 2024 | Resolved |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Dec 18, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jun 20, 2023 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jun 20, 2023 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Feb 7, 2020 | Mar 4, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2018 | — | Open |
| cwa | Schedule Event reported late | Jan 28, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2016 | May 12, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 28, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 28, 2016 | May 12, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 31, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2012 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 30.99 mg/L | 30.00 | +3% | Jan 2026 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 81.85 % | 85.00 | +21% | Jan 2026 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.00 MPN/100mL | 630.00 | +99,999% | Jun 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,263.00 MPN/100mL | 126.00 | +99,999% | Jun 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 645.00 MPN/100mL | 126.00 | +99,999% | May 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,180.00 MPN/100mL | 630.00 | +99,999% | May 2019 | 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.