Clean Water Act discharge permit · NPDES CT0100366
NEW HAVEN EAST SHORE STP, New Haven, CT: NPDES CT0100366 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 24Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
NEW HAVEN EAST SHORE STP, held by NEW HAVEN EAST SHORE WPCF, holds NPDES permit CT0100366, which discharges to New Haven Harbor. EPA’s file records it issued October 1, 2010 and expiring September 30, 2015. 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 | NEW HAVEN EAST SHORE STP |
|---|---|
| Permittee as filed | NEW HAVEN EAST SHORE WPCF |
| NPDES ID | CT0100366 |
| 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 | October 1, 2010 |
| Expiration date | September 30, 2015 |
| Issuing agency | CT DEP |
| Address | New Haven, CT 06512 |
| Receiving water | NEW HAVEN HARBOR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Outlet Quinnipiac River (HUC 011000040105) |
| Program components on file | Biosolids, CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler CTD000635904; ICIS-AIR source CT0000000900980003 |
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
- 28Pollutants on file
- 24Under a numeric limit
- 12With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 125 | 121 | March 31, 2023 | 1,710% over the limit |
| Chlorine, total residual | 2 | 103 | 102 | July 31, 2024 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 81 | 76 | March 31, 2023 | 694% over the limit |
| Coliform, fecal general | 2 | 23 | 21 | January 31, 2023 | 99,999% over the limit |
| Enterococci | 0 | 17 | 16 | March 31, 2026 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 16 | 16 | March 31, 2010 | 20% over the limit |
| Solids, suspended percent removal | 1 | 14 | 13 | April 30, 2019 | 120% over the limit |
| BOD, 5-day, percent removal | 1 | 10 | 9 | December 31, 2014 | 392% over the limit |
| pH | 2 | 5 | 3 | October 31, 1999 | |
| Turbidity | 0 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 1 | 0 | ||
| Cyanide, total [as CN] | 0 | 1 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Arsenic, total [as As] | 1 | 0 | 0 | ||
| Beryllium, total [as Be] | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Solids, fixed, % of total solids | 1 | 0 | 0 | ||
| Solids, volatile % of total solids | 1 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 1 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 1 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 1 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 1 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 1 | 0 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 1 | 0 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 1 | 0 | 0 | ||
| Solids, sludge, total, dry weight | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0100366.
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, CT0100366.
Start the watch
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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 CT0100366 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.