Clean Water Act discharge permit · NPDES CTP001395

ALLEGHENY LUDLUM CORPORATION, Waterbury, CT: NPDES CTP001395 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
4Pollutants with an effluent exceedance

ALLEGHENY LUDLUM CORPORATION holds NPDES permit CTP001395. EPA’s file records it issued June 13, 2006 and expiring June 30, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	ALLEGHENY LUDLUM CORPORATION
Permittee as filed	ALLEGHENY LUDLUM CORPORATION
NPDES ID	CTP001395
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	June 13, 2006
Expiration date	June 30, 2011
Issuing agency	CT DEP
Address	Waterbury, CT 06720
Receiving water impaired	303(D) Listed
SIC	3312 – Blast Furnaces And Steel Mills
Other EPA IDs (FRS)	RCRA handler CTD001166461; ICIS-AIR source CT0000000900905695

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

12Pollutants on file
12Under a numeric limit
12With a violation of any kind
4With 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
Chromium, total [as Cr]	2	8	6	December 31, 2007	100% over the limit
Lead, total [as Pb]	4	8	2	April 30, 2020	460% over the limit
Zinc, total [as Zn]	4	6	2	February 28, 2002	43% over the limit
Nickel, total [as Ni]	2	4	2	December 31, 2007	34% over the limit
pH	2	2	0
Solids, total suspended	2	2	0
Oil & Grease	2	2	0
Copper, total [as Cu]	2	2	0
Aluminum, total [as Al]	2	2	0
Flow rate	1	2	0
Flow, maximum during 24 hr period	1	1	0
Flow	1	1	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 CTP001395.

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

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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 CTP001395 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES CTP001395 held by ALLEGHENY LUDLUM CORPORATION in Waterbury, CT, shown as administratively continued with a minor discharger class of 12. The page lists 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit issued June 13, 2006 and expiring June 30, 2011.