EmissionsLookup
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
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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

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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