Clean Water Act discharge permit · NPDES CTR050132

KAMAN AEROSPACE CORPORATION, Bloomfield, CT: NPDES CTR050132 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
15Pollutants under a numeric limit
0Pollutants with an effluent exceedance

KAMAN AEROSPACE CORPORATION, held by KAMAN CORPORATION, holds NPDES permit CTR050132. EPA’s file records it issued July 20, 2026 and expiring September 30, 2030. 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.

What the register holds for KAMAN AEROSPACE CORPORATION: its NPDES ID, its permit type and status, its dates, its address in Bloomfield, Connecticut, and 15 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CTR050132.

Identity

Facility as filed	KAMAN AEROSPACE CORPORATION
Permittee as filed	KAMAN CORPORATION
NPDES ID	CTR050132
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	July 20, 2026
Expiration date	September 30, 2030
Issuing agency	CT DEEP
Address	Bloomfield, CT 6002
Subwatershed	North Branch Park River (HUC 010802050302)
NAICS	336411 – Aircraft Manufacturing
SIC	3721 – Aircraft

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

15Pollutants on file
15Under a numeric limit
0With a violation of any kind
0With 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
pH	12	0	0
Conductivity	6	0	0
Solids, total suspended	6	0	0
Oil & Grease	6	0	0
Nitrogen, Kjeldahl, total [as N]	6	0	0
Phosphorous, total recoverable	6	0	0
Hardness, total [as CaCO3]	6	0	0
Zinc, total recoverable	6	0	0
Lead, total recoverable	6	0	0
Copper, total recoverable	6	0	0
Nitrogen, nitrate total [as NO3]	6	0	0
Chemical Oxygen Demand [COD]	6	0	0
LC50 Static 48Hr Acute D. Pulex	6	0	0
NOAEL Static 48Hr Acute D. pulex	6	0	0
%Surv Static 48Hr Acute Daphnia Pulex	6	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTR050132.

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 CTR050132.

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, CTR050132.

Start the watch

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 CTR050132 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit CTR050132, held by KAMAN AEROSPACE CORPORATION (permittee as filed: KAMAN CORPORATION) in Bloomfield, CT, with an Effective status, a Minor discharger class, and an industrial stormwater program issued by CT DEEP. The page lists 15 pollutants under a numeric limit, 0 pollutants with an effluent exceedance, and no violation on EPA's effluent or single-event violation files, with the permit running from July 20, 2026 to September 30, 2030.