Clean Water Act discharge permit · NPDES CT0001406
PRATT & WHITNEY DIVISION UTC, Middletown, Town Of, CT: NPDES CT0001406 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
PRATT & WHITNEY DIVISION UTC, held by PRATT & WHITNEY AIRCRAFT CO., holds NPDES permit CT0001406, which discharges to Connecticut River. EPA’s file records it issued August 1, 2006 and expiring July 31, 2011. 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 | PRATT & WHITNEY DIVISION UTC |
|---|---|
| Permittee as filed | PRATT & WHITNEY AIRCRAFT CO. |
| NPDES ID | CT0001406 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 1, 2006 |
| Expiration date | July 31, 2011 |
| Issuing agency | CT DEP |
| Address | Middletown, Town Of, CT 06457 |
| Receiving water | CONNECTICUT RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mill Creek-Connecticut River (HUC 010802050702) |
| Other EPA IDs (FRS) | RCRA handler CTD003935905; ICIS-AIR source CT0000000900700106 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 18Pollutants on file
- 14Under a numeric limit
- 6With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Carbonaceous oxygen demand, % removal | 0 | 6 | 6 | February 28, 2003 | 67% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 0 | 3 | 3 | February 28, 2003 | 11% over the limit |
| Solids, suspended percent removal | 0 | 2 | 2 | October 31, 2001 | 20% over the limit |
| Flow | 0 | 4 | 0 | ||
| Chlorine, total residual | 1 | 3 | 0 | ||
| Copper, total [as Cu] | 1 | 1 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 0 | 0 | ||
| Flow rate | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| Iron, total [as Fe] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Aluminum, total [as Al] | 1 | 0 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 7, 2025 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| April 7, 2025 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| April 7, 2025 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 7, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
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 CT0001406 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.