Clean Water Act discharge permit · NPDES CTP000019

PHILSON INC, Watertown, CT: NPDES CTP000019 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
19Pollutants under a numeric limit
2Pollutants with an effluent exceedance

PHILSON INC holds NPDES permit CTP000019, which discharges to Naugatuck River. EPA’s file records it issued April 25, 2014 and expiring April 30, 2019. 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	PHILSON INC
Permittee as filed	PHILSON INC
NPDES ID	CTP000019
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	April 25, 2014
Expiration date	April 30, 2019
Issuing agency	CT DEP
Address	Watertown, CT 06795
Receiving water	NAUGATUCK RIVER
Receiving water impaired	303(D) Listed
Other EPA IDs (FRS)	RCRA handler CTD001171677; ICIS-AIR source CT0000000900508893

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

Effluent limits and exceedances

19Pollutants on file
19Under a numeric limit
18With a violation of any kind
2With 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
Aluminum, total [as Al]	2	4	2	September 30, 2007	300% over the limit
pH	4	27	1	June 30, 2002
Flow	6	20	0
Solids, total suspended	4	20	0
Phosphorus, total [as P]	4	20	0
Nickel, total [as Ni]	6	12	0
Copper, total [as Cu]	4	12	0
Zinc, total [as Zn]	4	12	0
Flow rate	3	10	0
Flow, maximum during 24 hr period	3	10	0
pH, maximum	2	10	0
pH, minimum	2	10	0
Cadmium, total [as Cd]	4	4	0
Chromium, total [as Cr]	4	4	0
Silver, total [as Ag]	4	4	0
Cyanide, total [as CN]	2	2	0
Lead, total [as Pb]	2	2	0
Organics, total toxic [TTO]	2	2	0
Flow rate	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 CTP000019.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CTP000019.

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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 CTP000019 there.

Nearby on the register

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

This public-records page covers NPDES permit CTP000019 held by PHILSON INC in Watertown, CT, which discharges to the Naugatuck River, with the permit listed as administratively continued and a minor discharger class. The page lists 19 pollutants on file, of which 2 are under a numeric limit and 2 have an effluent exceedance.