Non-Compliance
Clean Water Act
MILL CREEK MHP WWTP
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
-
1000 MILL CREEK RD
FREDERICKTOWN, MO 63645
View on map ↗ - County
- MADISON County
- Inspections
- 1 · last Mar 20, 2024
- Total Penalties
- $0
- Registry ID
- 110029519741
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.
10
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 | Dec 10, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Dec 30, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 30, 2024 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Apr 9, 2024 | May 17, 2024 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Apr 9, 2024 | May 17, 2024 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Apr 9, 2024 | May 17, 2024 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Mar 29, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jan 26, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2020 | Jun 23, 2020 | Resolved |
| cwa | Schedule Event reported late | Feb 1, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 1, 2020 | Jun 23, 2020 | 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 |
|---|---|---|---|---|---|---|
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Dec 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.71 mg/L | 2.90 | +235% | Dec 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.03 mg/L | 1.50 | +169% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.50 mg/L | 2.00 | +225% | Jun 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Jun 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.82 mg/L | 2.90 | +101% | Dec 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.67 mg/L | 1.50 | +78% | Sep 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.83 mg/L | 2.00 | +242% | Jun 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.74 mg/L | 3.10 | +150% | Mar 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 30.00 | +77% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 2.90 | +279% | Dec 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 61.70 mg/L | 30.00 | +106% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Dec 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 61.70 mg/L | 45.00 | +37% | Dec 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.00 mg/L | 1.50 | +1,300% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 21.00 mg/L | 12.10 | +74% | Sep 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 206.00 | +1,075% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 1,030.00 | +135% | Jun 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.43 mg/L | 3.10 | +11% | Mar 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.80 mg/L | 30.00 | +9% | Sep 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 435.00 MPN/100mL | 206.00 | +111% | Dec 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.80 mg/L | 30.00 | +6% | Dec 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +135% | Dec 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +400% | Dec 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.02 | +312% | Sep 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.01 | +775% | Sep 2016 | Resolved |
| E. coli, colony forming units [CFU] | DMR, Limited - Numeric Violation | 1,000.00 MPN/100mL | 206.00 | +385% | Jun 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +275% | Jun 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +76% | Jun 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +150% | Mar 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +18% | Mar 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +275% | Dec 2015 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +76% | Dec 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +25% | Sep 2015 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +400% | Jun 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +135% | Jun 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +135% | Mar 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +400% | Mar 2015 | Open |
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