Clean Water Act discharge permit · NPDES CT0100447
PLAINFIELD NORTH WPCF, Central Village, CT: NPDES CT0100447 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
PLAINFIELD NORTH WPCF holds NPDES permit CT0100447, which discharges to Moosup River. EPA’s file records it issued October 18, 2005 and expiring October 17, 2010. 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 | PLAINFIELD NORTH WPCF |
|---|---|
| Permittee as filed | PLAINFIELD NORTH WPCF |
| NPDES ID | CT0100447 |
| 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 18, 2005 |
| Expiration date | October 17, 2010 |
| Issuing agency | CT DEP |
| Address | Central Village, CT 06332 |
| Receiving water | MOOSUP RIVER |
| Subwatershed | Lower Moosup River (HUC 011000010503) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 30Pollutants on file
- 26Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 25 | 25 | December 31, 2025 | 99,999% over the limit |
| Copper, total [as Cu] | 2 | 16 | 16 | September 30, 2021 | 149% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 15 | 15 | September 30, 2016 | 233% over the limit |
| Solids, total suspended | 3 | 13 | 13 | April 30, 2026 | 206% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 13 | 13 | April 30, 2014 | 80,548% over the limit |
| Chlorine, total residual | 2 | 13 | 13 | June 30, 2026 | 2,220% over the limit |
| BOD, 5-day, percent removal | 1 | 13 | 13 | March 31, 2026 | 120% over the limit |
| Coliform, fecal general | 2 | 11 | 11 | September 30, 2016 | 3,675% over the limit |
| E. coli | 0 | 11 | 11 | May 31, 2026 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 8 | 8 | March 31, 2026 | 100% over the limit |
| Phosphorus, total [as P] | 0 | 8 | 8 | June 30, 2026 | 105% over the limit |
| pH | 2 | 5 | 5 | January 31, 2016 | |
| Flow rate | 0 | 10 | 0 | ||
| Phosphorus, Total [Avg Seasonal Load Cap] | 0 | 1 | 0 | ||
| Pass/Fail Static 48Hr Acute D. Pulex | 2 | 0 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 15, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2020 | Reporting Violations - Failure to Notify | ST6 |
| March 21, 2018 | Reporting Violations - Improper/ Incorrect Reporting | 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 October 14, 2026.