MAPLE RIDGE MHP WWTP

Address

HIGHWAY F
WRIGHT CITY, MO 63390
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County

WARREN County

Total Penalties

$0

Registry ID

110009872539

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.

1

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	Reporting Violations - Improper/ Incorrect Reporting	Nov 14, 2023	—	Open
cwa	Effluent Violations - Numeric effluent violation	Apr 4, 2023	May 8, 2023	Resolved
cwa	Effluent Violations - Numeric effluent violation	Oct 19, 2022	Oct 21, 2022	Resolved
cwa	Effluent Violations - Numeric effluent violation	Jan 13, 2022	Feb 24, 2022	Resolved
cwa	Effluent Violations - Numeric effluent violation	Oct 13, 2021	Feb 24, 2022	Resolved
cwa	Reporting Violations - Improper/ Incorrect Reporting	Mar 30, 2021	Apr 12, 2021	Resolved
cwa	Reporting Violations - Failure to Submit DMRs	Mar 30, 2021	Apr 12, 2021	Resolved
cwa	Effluent Violations - Numeric effluent violation	Sep 1, 2020	Nov 22, 2020	Resolved
cwa	Effluent Violations - Numeric effluent violation	Jun 29, 2020	Nov 22, 2020	Resolved
cwa	Effluent Violations - Numeric effluent violation	Jan 18, 2019	Feb 14, 2019	Resolved
cwa	Reporting Violations - Improper/ Incorrect Reporting	Jan 18, 2019	Feb 14, 2019	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	278.70 MPN/100mL	206.00	+35%	Dec 2023	Open
E. coli	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	206.00	+99,999%	Dec 2022	Open
E. coli	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	1,030.00	+99,999%	Dec 2022	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	3.80 mg/L	1.50	+153%	Jun 2022	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	2.50 mg/L	1.00	+150%	Sep 2021	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	8.30 mg/L	1.50	+453%	Jun 2021	Resolved
E. coli	DMR, Limited - Numeric Violation	290.90 MPN/100mL	206.00	+41%	Dec 2020	Open
E. coli	DMR, Limited - Overdue	290.90 MPN/100mL	206.00	+41%	Dec 2020	Resolved
E. coli	DMR, Limited - Numeric Violation	488.40 MPN/100mL	206.00	+137%	Jun 2020	Open
E. coli	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	206.00	+99,999%	Dec 2019	Open
E. coli	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	1,030.00	+99,999%	Dec 2019	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	6.80 mg/L	3.60	+89%	Sep 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	6.80 mg/L	1.40	+386%	Sep 2018	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	3.60 mg/L	1.40	+157%	Jun 2018	Resolved
E. coli	DMR, Limited - Overdue	1,732.90 MPN/100mL	206.00	+741%	Sep 2017	Resolved
E. coli	DMR, Limited - Overdue	1,732.90 MPN/100mL	1,030.00	+68%	Sep 2017	Resolved
E. coli	DMR, Limited - Numeric Violation	1,732.90 MPN/100mL	1,030.00	+68%	Sep 2017	Open
E. coli	DMR, Limited - Numeric Violation	1,732.90 MPN/100mL	206.00	+741%	Sep 2017	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	2.70 mg/L	1.40	+93%	Jun 2017	Open

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