Clean Water Act discharge permit · NPDES CT0100579

CITY OF TORRINGTON, Torrington, CT: NPDES CT0100579 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
48Pollutants under a numeric limit
15Pollutants with an effluent exceedance

CITY OF TORRINGTON, held by TORRINGTON WPCF, holds NPDES permit CT0100579, which discharges to Naugatuck River. EPA’s file records it issued May 11, 2015 and expiring May 31, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CITY OF TORRINGTON
Permittee as filed	TORRINGTON WPCF
NPDES ID	CT0100579
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	May 11, 2015
Expiration date	May 31, 2020
Issuing agency	CT DEP
Address	Torrington, CT 06790
Receiving water	NAUGATUCK RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Northfield Brook-Naugatuck River (HUC 011000051105)
Other EPA IDs (FRS)	RCRA handler CTD000845263; ICIS-AIR source CT0000000900580051

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

50Pollutants on file
48Under a numeric limit
29With a violation of any kind
15With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Flow, in conduit or thru treatment plant	0	34	34	April 30, 2015	60% over the limit
Chlorine, total residual	4	15	15	September 30, 2016	14,080% over the limit
Oxygen, dissolved [DO]	1	8	8	December 31, 2020	50% over the limit
pH	2	6	6	November 30, 2007
Nitrogen, ammonia total [as N]	14	5	5	July 31, 2010	94% over the limit
Copper, total [as Cu]	4	7	4	September 30, 2014	31% over the limit
Phosphorus, total [as P]	4	4	4	September 30, 2022	140% over the limit
Zinc, total [as Zn]	4	4	4	May 31, 2019	41% over the limit
Coliform, fecal general	2	4	4	July 31, 2009	99,999% over the limit
BOD, 5-day, percent removal	1	3	3	April 30, 2014	31% over the limit
BOD, 5-day, 20 deg. C	5	2	2	January 31, 2019	64% over the limit
Solids, suspended percent removal	1	2	2	April 30, 2022	68% over the limit
Ultraviolet light dosage	0	2	2	June 30, 2021	89% over the limit
NOAEL Static 48Hr Acute D. pulex	2	2	1	July 31, 2019	29% over the limit
Solids, total suspended	5	1	1	January 31, 2019	28% over the limit
Polychlorinated biphenyls [PCBs]	1	2	0
Arsenic, sludge tot. dry wt [as As]	1	2	0
Beryllium, sludge, tot. dry wt [as Be]	1	2	0
Solids, total, percent	1	2	0
Solids, fixed, % of total solids	1	2	0
Solids, volatile % of total solids	1	2	0
Zinc, sludge, total, dry weight [as Zn]	1	2	0
Lead, sludge, total, dry weight [as Pb]	1	2	0
Nickel, sludge, total, dry weight [as Ni]	1	2	0
Mercury, sludge, total, dry weight [as Hg]	1	2	0
Chromium, sludge, total, dry weight [as Cr]	1	2	0
Copper, sludge, total, dry weight [as Cu]	1	2	0
Cadmium, sludge, total, dry weight [as Cd]	1	2	0
NOAEL Static 48Hr Acute Pimephales promelas	2	1	0
Flow rate	2	0	0
Nitrogen, nitrite total [as N]	2	0	0
Nitrogen, nitrate total [as N]	2	0	0
Cyanide, total [as CN]	2	0	0
Cyanide, free [amenable to chlorination]	2	0	0
Arsenic, total [as As]	2	0	0
Beryllium, total [as Be]	2	0	0
Cadmium, total [as Cd]	2	0	0
Chromium, hexavalent [as Cr]	2	0	0
Chromium, total [as Cr]	2	0	0
Iron, total [as Fe]	2	0	0
Lead, total [as Pb]	2	0	0
Thallium, total [as Tl]	2	0	0
Nickel, total [as Ni]	2	0	0
Silver, total [as Ag]	2	0	0
Antimony, total [as Sb]	2	0	0
Aluminum, total [as Al]	2	0	0
Selenium, total [as Se]	2	0	0
Phenols	2	0	0
E. coli	2	0	0
Mercury, total [as Hg]	2	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0100579.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CT0100579 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.