Clean Water Act discharge permit · NPDES CT0100803
LITCHFIELD WPCF, Bantam, CT: NPDES CT0100803 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
LITCHFIELD WPCF holds NPDES permit CT0100803, which discharges to Bantam River. EPA’s file records it issued September 18, 2006 and expiring September 30, 2011. 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 | LITCHFIELD WPCF |
|---|---|
| Permittee as filed | LITCHFIELD WPCF |
| NPDES ID | CT0100803 |
| 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 | September 18, 2006 |
| Expiration date | September 30, 2011 |
| Issuing agency | CT DEP |
| Address | Bantam, CT 06750 |
| Receiving water | BANTAM RIVER |
| Subwatershed | Bantam River (HUC 011000050702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 24Under a numeric limit
- 15With 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 |
|---|---|---|---|---|---|
| Solids, suspended percent removal | 1 | 21 | 19 | April 30, 2024 | 147% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 22 | 18 | April 30, 2015 | 99,999% over the limit |
| Phosphorus, total [as P] | 0 | 17 | 17 | September 30, 2025 | 84% over the limit |
| BOD, 5-day, percent removal | 1 | 18 | 15 | January 31, 2019 | 460% over the limit |
| Solids, total suspended | 3 | 19 | 13 | April 30, 2024 | 460% over the limit |
| E. coli | 0 | 13 | 12 | June 30, 2025 | 1,395% over the limit |
| Chlorine, total residual | 0 | 8 | 7 | September 30, 2002 | 100% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 11 | 5 | January 31, 2019 | 515% over the limit |
| Coliform, fecal general | 2 | 9 | 5 | September 30, 2011 | 99,999% over the limit |
| pH | 2 | 7 | 3 | November 30, 2011 | |
| Ultraviolet light dosage | 0 | 47 | 0 | ||
| LC50 Static 48Hr Acute D. Pulex | 2 | 2 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 1 | 2 | 0 | ||
| Copper, total [as Cu] | 1 | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 4, 2019 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | 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.
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 CT0100803 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.