Clean Water Act discharge permit · NPDES CT0101036
STRATFORD WPCF, Stratford, CT: NPDES CT0101036 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 49Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
STRATFORD WPCF holds NPDES permit CT0101036, which discharges to Housatonic River. EPA’s file records it issued May 1, 2015 and expiring May 31, 2020. 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 | STRATFORD WPCF |
|---|---|
| Permittee as filed | STRATFORD WPCF |
| NPDES ID | CT0101036 |
| 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 | May 1, 2015 |
| Expiration date | May 31, 2020 |
| Issuing agency | CT DEP |
| Address | Stratford, CT 06615 |
| Receiving water | HOUSATONIC RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Long Island Sound Deep (HUC 020302030000) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler CTD000844357; ICIS-AIR source CT0000000900108117 |
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
- 54Pollutants on file
- 49Under a numeric limit
- 29With 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 |
|---|---|---|---|---|---|
| Ultraviolet light dosage | 1 | 62 | 60 | April 30, 2024 | 100% over the limit |
| Solids, total suspended | 5 | 46 | 39 | July 31, 2026 | 3,280% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 31 | 23 | November 30, 2024 | 1,898% over the limit |
| Solids, suspended percent removal | 1 | 27 | 22 | March 31, 2026 | 99,999% over the limit |
| Coliform, fecal general | 1 | 21 | 15 | December 31, 2023 | 99,999% over the limit |
| BOD, 5-day, percent removal | 1 | 20 | 15 | May 31, 2023 | 437% over the limit |
| Enterococci | 2 | 16 | 13 | January 31, 2026 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 14 | 11 | May 31, 2014 | 42% over the limit |
| Coliform, fecal - % samples exceeding limit | 1 | 8 | 7 | January 31, 2026 | 330% over the limit |
| Chlorine, total residual | 2 | 5 | 1 | September 30, 2004 | 100% over the limit |
| pH | 2 | 6 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Phosphorus, total [as P] | 3 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| Beryllium, sludge, tot. dry wt [as Be] | 1 | 2 | 0 | ||
| BOD, carbonaceous [5 day, 5 C] | 0 | 2 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 1 | 0 | ||
| Solids, fixed, % of total solids | 1 | 1 | 0 | ||
| Solids, volatile % of total solids | 1 | 1 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 1 | 1 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 1 | 1 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 1 | 1 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 1 | 1 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 1 | 1 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 1 | 1 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 1 | 1 | 0 | ||
| Solids, sludge, total, dry weight | 1 | 1 | 0 | ||
| LC50 Static 48Hr Acute D. Pulex | 0 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Flow rate | 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 |
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 |
|---|---|---|
| March 13, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 13, 2024 | Reporting Violations - Failure to Notify | ST6 |
| January 10, 2020 | Effluent Violations - Narrative Effluent Violation | ST6 |
| January 10, 2020 | Management Practice Violations - Failure to Maintain Records | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.