Clean Water Act discharge permit · NPDES CT0101079
WEST HAVEN WPCF, West Haven, CT: NPDES CT0101079 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 24Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
WEST HAVEN WPCF holds NPDES permit CT0101079, which discharges to Long Island Sound/New Haven Harbor. EPA’s file records it issued October 26, 2006 and expiring October 31, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WEST HAVEN WPCF |
|---|---|
| Permittee as filed | WEST HAVEN WPCF |
| NPDES ID | CT0101079 |
| 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 26, 2006 |
| Expiration date | October 31, 2011 |
| Issuing agency | CT DEP |
| Address | West Haven, CT 06516 |
| Receiving water | LONG ISLAND SOUND/NEW HAVEN HARBOR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cove River-Frontal Long Island Sound (HUC 011000040304) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 56Pollutants on file
- 24Under a numeric limit
- 55With a violation of any kind
- 10With 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 | 175 | 162 | July 31, 2026 | 1,256% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 122 | 108 | March 31, 2023 | 906% over the limit |
| Solids, suspended percent removal | 1 | 73 | 68 | April 30, 2023 | 567% over the limit |
| Coliform, fecal general | 2 | 72 | 63 | February 29, 2024 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 45 | 40 | March 31, 2023 | 538% over the limit |
| Enterococci | 0 | 40 | 28 | October 31, 2024 | 99,999% over the limit |
| Chlorine, total residual | 2 | 37 | 27 | March 31, 2026 | 873% over the limit |
| pH | 2 | 31 | 16 | March 31, 2016 | |
| Coliform, fecal - % samples exceeding limit | 0 | 12 | 8 | February 29, 2024 | 19,900% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 1 | 1 | July 31, 2000 | 417% over the limit |
| Flow rate | 0 | 9 | 0 | ||
| Phosphorus, total [as P] | 0 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 4 | 0 | ||
| Solids, fixed, % of total solids | 1 | 3 | 0 | ||
| Solids, volatile % of total solids | 1 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 1 | 3 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 1 | 3 | 0 | ||
| Iron, total [as Fe] | 0 | 3 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 2 | 0 | ||
| Beryllium, sludge, tot. dry wt [as Be] | 1 | 2 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 1 | 2 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 1 | 2 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 1 | 2 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 1 | 2 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 1 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 2 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 2 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Thallium, total [as Tl] | 0 | 2 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Zinc, total [as Zn] | 0 | 2 | 0 | ||
| Selenium, total [as Se] | 0 | 2 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 0 | 2 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 0 | 2 | 0 | ||
| LC50 Static 48Hr Acute D. Pulex | 2 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 2 | 1 | 0 | ||
| Solids, sludge, total, dry weight | 1 | 1 | 0 | ||
| Solids, settleable | 0 | 1 | 0 | ||
| Cyanide, total [as CN] | 0 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 1 | 0 | ||
| Arsenic, total [as As] | 0 | 1 | 0 | ||
| Beryllium, total [as Be] | 0 | 1 | 0 | ||
| Cadmium, total [as Cd] | 0 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 1 | 0 | ||
| Copper, total [as Cu] | 0 | 1 | 0 | ||
| Silver, total [as Ag] | 0 | 1 | 0 | ||
| Antimony, total [as Sb] | 0 | 1 | 0 | ||
| Aluminum, total [as Al] | 0 | 1 | 0 | ||
| Phenols | 0 | 1 | 0 | ||
| Solids, total, percent | 0 | 1 | 0 | ||
| Mercury, total [as Hg] | 0 | 1 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 0 | 1 | 0 | ||
| Hydrocarbons, petroleum | 0 | 1 | 0 | ||
| Nitrogen, ammonia, sludge, tot dry wgt | 0 | 1 | 0 | ||
| Nitrogen, total [as N] | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 22, 2023 | Management Practice Violations - No Licensed/Certified Operator | ST6 |
| March 22, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 22, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| March 22, 2023 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| March 22, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.