Clean Water Act discharge permit · NPDES CT0101605
SOMERSVILLE WPCF, Somers, CT: NPDES CT0101605 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
SOMERSVILLE WPCF holds NPDES permit CT0101605, which discharges to Scantic River. EPA’s file records it issued January 30, 2014 and expiring January 31, 2019. 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 | SOMERSVILLE WPCF |
|---|---|
| Permittee as filed | SOMERSVILLE WPCF |
| NPDES ID | CT0101605 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 30, 2014 |
| Expiration date | January 31, 2019 |
| Issuing agency | CT DEP |
| Address | Somers, CT 06071 |
| Receiving water | SCANTIC RIVER |
| Subwatershed | Catsbane Brook-Connecticut River (HUC 010801070505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 27Pollutants on file
- 24Under a numeric limit
- 12With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| pH | 2 | 49 | 49 | May 31, 2022 | |
| E. coli | 2 | 42 | 42 | July 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 3 | 25 | 25 | June 30, 2026 | 123% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 15 | 15 | February 28, 2026 | 385% over the limit |
| Solids, suspended percent removal | 1 | 15 | 14 | June 30, 2026 | 230% over the limit |
| BOD, 5-day, percent removal | 1 | 10 | 10 | March 31, 2026 | 170% over the limit |
| Ultraviolet light dosage | 2 | 5 | 5 | September 30, 2014 | 100% over the limit |
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 5 | 5 | June 30, 2026 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 5 | 5 | February 28, 2013 | 378% over the limit |
| Coliform, fecal general | 0 | 4 | 4 | July 31, 2012 | 550% over the limit |
| NOAEL Static 48Hr Acute D. pulex | 2 | 2 | 2 | December 31, 2015 | 91% over the limit |
| Chlorine, total residual | 0 | 2 | 1 | August 31, 2010 | 313% over the limit |
| Flow rate | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 24, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 11, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 11, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| July 11, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 21, 2023 | Management Practice Violations - Improper Operation and Maintenance | 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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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 CT0101605 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.