Clean Water Act discharge permit · NPDES CT0101257
KILLINGLY WPCF TOWN OF, Danielson, CT: NPDES CT0101257 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 27Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
KILLINGLY WPCF TOWN OF holds NPDES permit CT0101257, which discharges to Quinebaug River. EPA’s file records it issued May 10, 2012 and expiring May 31, 2017. 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 | KILLINGLY WPCF TOWN OF |
|---|---|
| Permittee as filed | KILLINGLY WPCF TOWN OF |
| NPDES ID | CT0101257 |
| 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 10, 2012 |
| Expiration date | May 31, 2017 |
| Issuing agency | CT DEP |
| Address | Danielson, CT 06239 |
| Receiving water | QUINEBAUG RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Fall Brook-Quinebaug River (HUC 011000010403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 27Under a numeric limit
- 10With a violation of any kind
- 8With 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 | 1 | 23 | 22 | September 30, 2012 | 3,617% over the limit |
| Phosphorus, total [as P] | 3 | 22 | 20 | April 30, 2021 | 395% over the limit |
| Solids, total suspended | 3 | 14 | 12 | April 30, 2021 | 238% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 9 | 9 | April 30, 2021 | 140% over the limit |
| E. coli | 2 | 3 | 3 | September 30, 2023 | 1,080% over the limit |
| Coliform, fecal general | 2 | 3 | 1 | July 31, 2007 | 3% over the limit |
| Phosphorus, Total [Avg Seasonal Load Cap] | 1 | 2 | 1 | October 31, 2020 | 47% over the limit |
| Solids, suspended percent removal | 1 | 1 | 1 | March 31, 2002 | 27% over the limit |
| Aluminum, total [as Al] | 0 | 1 | 0 | ||
| Pass/Fail Static 48Hr Acute D. Pulex | 0 | 1 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Flow | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 1 | 0 | 0 | ||
| Beryllium, total [as Be] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 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 | ||
| BOD, 5-day, percent removal | 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 CT0101257.
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
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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 CT0101257 there.
Nearby on the register
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- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.