Non-Compliance Clean Air Act Clean Water Act

DERBY 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: 1 CAROLINE STREET
DERBY, CT 06418
View on map ↗
County: NEW HAVEN County
Industry: Utilities
NAICS (North American Industry Classification): 221320
Inspections: 3 · last Sep 16, 2025
Total Penalties: $0 · last Jun 8, 2010
Registry ID: 110000730996

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

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	Feb 26, 2021	—	Open
cwa	Reporting Violations - Improper/ Incorrect Reporting	Dec 5, 2018	—	Open
cwa	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	Dec 5, 2018	—	Open
cwa	Reporting Violations - Failure to Notify	Apr 28, 2015	—	Open
cwa	Monitoring Violations - Improper Analysis or Lab Error	Apr 28, 2015	—	Open
cwa	Reporting Violations - Improper/ Incorrect Reporting	Apr 28, 2015	—	Open
cwa	Effluent Violations - Numeric effluent violation	Apr 28, 2015	—	Open
cwa	WW SSO - Discharge to Waters	Aug 4, 2011	Aug 4, 2016	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
Enterococci	DMR, Limited - Numeric Violation	0.79 MPN/100mL	0.50	+58%	Aug 2025	Open
Enterococci	DMR, Limited - Numeric Violation	1.01 MPN/100mL	0.50	+102%	Jun 2025	Open
Solids, suspended percent removal	DMR, Limited - Numeric Violation	82.70 %	85.00	+15%	Mar 2024	Open
Solids, total suspended	DMR, Limited - Numeric Violation	100.00 mg/L	50.00	+100%	Mar 2024	Open
Solids, suspended percent removal	DMR, Limited - Numeric Violation	77.10 %	85.00	+53%	Feb 2019	Open
BOD, 5-day, percent removal	DMR, Limited - Numeric Violation	84.00 %	85.00	+7%	Jan 2019	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.64 mg/L	0.60	+7%	May 2016	Open
Enterococci	DMR, Limited - Numeric Violation	0.05 MPN/100mL	0.04	+38%	May 2016	Open
Enterococci	DMR, Limited - Numeric Violation	0.20 MPN/100mL	0.04	+483%	Jun 2015	Open
Enterococci	DMR, Limited - Numeric Violation	0.05 MPN/100mL	0.04	+50%	May 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.

Administrative - Formal

· Case 01-2016-2026 · Aug 4, 2016

State Administrative Order of Consent

Clean Water Act · Case CT-AOWRMU15003 · Aug 3, 2015

State Administrative Order of Consent

Clean Water Act · Case CT-WC5683 · Jun 8, 2010

$3,350

State CWA Non Penalty AO

Clean Water Act · Case CT-N00000226 · Dec 7, 1998

State CWA Non Penalty AO

Clean Water Act · Case CT-N00000521 · Oct 12, 1995

State CWA Non Penalty AO

Clean Water Act · Case CT-N00000115 · Feb 19, 1992

Other facilities in NEW HAVEN County, CT

LAKE HILLS VILLAGE CONDOMINIUMS

WOLCOTT, CT

STATE PROJECT NO. 0059-0164

GUILFORD, CT

WHITE WAY LAUNDRY INC

WALLINGFORD, CT

MILFORD TRANSFER STATION

MILFORD, CT

MOBIL OIL CORP SERV STA G15

SOUTHBURY, CT

QUINLAN RUSSELL

MERIDEN, CT

All facilities in CT →