Non-Compliance Clean Water Act

PORTLAND WATER POLLUTION CONTROL FACILITY

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: 3 LOWER MAIN STREET
PORTLAND, CT 06480
View on map ↗
County: MIDDLESEX County
Inspections: 2 · last May 15, 2025
Total Penalties: $0 · last Feb 12, 1998
Registry ID: 110006618213

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.

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	Monitoring Violations - Invalid/Unrepresentative Sample	May 15, 2025	—	Open
cwa	Monitoring Violations - Invalid/Unrepresentative Sample	Sep 28, 2022	—	Open
cwa	Management Practice Violations - Improper Operation and Maintenance	Sep 28, 2022	—	Open
cwa	Reporting Violations - Improper/ Incorrect Reporting	Apr 5, 2019	—	Open
cwa	Monitoring Violations - No Flow Measurement Device	Jun 7, 2017	—	Open
cwa	Monitoring Violations - Failure to Monitor for Toxicity Requirements	Aug 26, 2015	—	Open
cwa	Effluent Violations - Numeric effluent violation	Aug 26, 2015	—	Open
cwa	Reporting Violations - Improper/ Incorrect Reporting	Feb 4, 2014	—	Open
cwa	Schedule Event unachieved and not reported	Jul 31, 1993	Nov 30, 1999	Resolved
cwa	Schedule Event achieved late but reported	Jul 31, 1993	—	Open
cwa	Schedule Event unachieved and not reported	Jul 31, 1991	Nov 30, 1999	Resolved
cwa	Schedule Event achieved late but reported	Jul 31, 1991	—	Open
cwa	Schedule Event unachieved and not reported	May 31, 1991	Nov 30, 1999	Resolved
cwa	Schedule Event achieved late but reported	May 31, 1991	—	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
Solids, suspended percent removal	DMR, Limited - Numeric Violation	84.85 %	85.00	+1%	Feb 2026	Open
Solids, total suspended	DMR, Limited - Numeric Violation	53.00 mg/L	50.00	+6%	Feb 2026	Open
Solids, total suspended	DMR, Limited - Numeric Violation	35.10 mg/L	30.00	+17%	Feb 2026	Open
Enterococci	DMR, Limited - Numeric Violation	0.69 MPN/100mL	0.50	+37%	Jun 2025	Open
Enterococci	DMR, Limited - Numeric Violation	0.04 MPN/100mL	0.04	+10%	Aug 2023	Open
Enterococci	DMR, Limited - Numeric Violation	0.08 MPN/100mL	0.04	+133%	Sep 2022	Open
Enterococci	DMR, Limited - Numeric Violation	0.04 MPN/100mL	0.04	+28%	Aug 2020	Open
Enterococci	DMR, Limited - Numeric Violation	1.20 MPN/100mL	0.50	+141%	Aug 2020	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	510.00 MPN/100mL	260.00	+96%	Aug 2016	Open
Ultraviolet light dosage	DMR, Limited - Numeric Violation	0.00 uW-sec/cm2	0.03	+100%	Jun 2015	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	600.00 MPN/100mL	260.00	+131%	Jun 2015	Open
BOD, 5-day, percent removal	DMR, Limited - Numeric Violation	77.32 %	85.00	+51%	Apr 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.

State CWA Non Penalty AO

Clean Water Act · Case CT-N00000270 · May 2, 1999

Administrative - Formal

· Case 01-1997-0099 · Feb 12, 1998

$33,300

State CWA Non Penalty AO

Clean Water Act · Case CT-N00000523 · Jul 17, 1995

State CWA Non Penalty AO

Clean Water Act · Case CT-N00000112 · May 30, 1991