Clean Water Act discharge permit · NPDES CT0024694
EAST HAMPTON WPCA, East Hampton, CT: NPDES CT0024694 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 50Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
EAST HAMPTON WPCA holds NPDES permit CT0024694, which discharges to Connecticut River. EPA’s file records it issued April 29, 2014 and expiring April 30, 2019. 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 | EAST HAMPTON WPCA |
|---|---|
| Permittee as filed | EAST HAMPTON WPCA |
| NPDES ID | CT0024694 |
| 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 | April 29, 2014 |
| Expiration date | April 30, 2019 |
| Issuing agency | CT DEP |
| Address | East Hampton, CT 06424 |
| Receiving water | CONNECTICUT RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mill Creek-Connecticut River (HUC 010802050702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 52Pollutants on file
- 50Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 4 | 16 | 14 | June 30, 2026 | 1,000% over the limit |
| Solids, total suspended | 5 | 19 | 13 | April 30, 2026 | 756% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 3 | 15 | 9 | March 31, 2010 | 378% over the limit |
| Enterococci | 2 | 7 | 5 | July 31, 2025 | 384% over the limit |
| Solids, suspended percent removal | 1 | 6 | 4 | June 30, 2006 | 567% over the limit |
| Coliform, fecal general | 1 | 5 | 4 | September 30, 2004 | 99,999% over the limit |
| Carbonaceous oxygen demand, % removal | 1 | 5 | 3 | June 30, 2006 | 37% over the limit |
| Biochemical oxygen demand-5 | 2 | 3 | 3 | January 31, 2025 | 61% over the limit |
| BOD, 5-day, percent removal | 0 | 1 | 1 | March 31, 2026 | 7% over the limit |
| Flow rate | 2 | 4 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 1 | 1 | 0 | ||
| Nitrogen, total [as N] | 0 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 0 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Beryllium, total [as Be] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Thallium, total [as Tl] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Antimony, total [as Sb] | 2 | 0 | 0 | ||
| Aluminum, total [as Al] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenols | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 0 | 0 | ||
| Beryllium, sludge, tot. dry wt [as Be] | 1 | 0 | 0 | ||
| Solids, total, percent | 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 |
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 19, 2025 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 1, 2022 | Monitoring Violations - Improper Analysis or Lab Error | 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.
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.