Non-Compliance Clean Air Act Clean Water Act RCRA

METRO WASTEWATER TREATMENT PLANT

Quick Summary

•Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
•Assessed $3,500 in total penalties since records began.

Address: 1200 SIMMON TREE LN
COLUMBIA, SC 29201
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County: RICHLAND County
Industry: Utilities
NAICS (North American Industry Classification): 221320
Inspections: 7 · last Jun 10, 2025
Total Penalties: $3,500 · last Jul 15, 2022
Registry ID: 110000535109

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.

Air (CAA)
Qtrs Non-Compliant

Water (CWA)
Qtrs Non-Compliant

Hazardous Waste (RCRA)
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	Management Practice Violations - Improper Operation and Maintenance	Jul 2, 2015	—	Open
cwa	Schedule Event achieved late but reported	Jun 21, 2014	—	Open
cwa	Pretreatment - Failure to Establish Self-Monitoring Requirements	May 21, 2010	—	Open
cwa	Pretreatment - Failure to Enforce Against I/U	May 21, 2010	—	Open
cwa	Reporting Violations - Failure to Submit DMRs	May 21, 2010	—	Open
cwa	Pretreatment - IU Violation of Pretreatment Standards	Mar 13, 2009	—	Open
cwa	Pretreatment - Failure to Enforce Against I/U	Mar 12, 2009	—	Open
cwa	Pretreatment - Failure to Establish Self-Monitoring Requirements	Mar 12, 2009	—	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
E. coli	DMR, Limited - Numeric Violation	727.00 MPN/100mL	349.00	+108%	Aug 2025	Open
Oxygen, dissolved [DO]	DMR, Limited - Numeric Violation	4.80 mg/L	5.00	+4%	Jan 2024	Open
E. coli	DMR, Limited - Numeric Violation	4.10 MPN/100mL	126.00	+99,999%	Feb 2022	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	349.00	+99,999%	Feb 2022	Open
E. coli	DMR, Limited - Numeric Violation	16.00 MPN/100mL	126.00	+99,999%	Jul 2021	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	800.00	+99,999%	Jul 2021	Open
E. coli	DMR, Limited - Overdue	921.00 MPN/100mL	349.00	+164%	May 2021	Resolved
E. coli	DMR, Limited - Numeric Violation	921.00 MPN/100mL	349.00	+164%	May 2021	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.85 mg/L	0.17	+400%	Feb 2021	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	246.52 kg/d	38.62	+538%	Feb 2021	Open
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	DMR, Limited - Numeric Violation	100.00 %	25.00	+300%	May 2019	Open
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia	DMR, Limited - Numeric Violation	100.00 %	40.00	+150%	May 2019	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	917.00 MPN/100mL	400.00	+99,999%	Aug 2017	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	21.00 MPN/100mL	200.00	+99,999%	Aug 2017	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	570.00 MPN/100mL	400.00	+43%	Jun 2015	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.