Clean Water Act discharge permit · NPDES CT0100960
PUTNAM WPCA, Putnam, CT: NPDES CT0100960 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
PUTNAM WPCA holds NPDES permit CT0100960, 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 | PUTNAM WPCA |
|---|---|
| Permittee as filed | PUTNAM WPCA |
| NPDES ID | CT0100960 |
| 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 | Putnam, CT 06260 |
| 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
- 30Pollutants on file
- 26Under a numeric limit
- 29With 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 | 6 | 5 | September 30, 2003 | 20% over the limit |
| Ultraviolet light intensity | 2 | 6 | 4 | June 30, 2020 | 100% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 11 | 3 | November 30, 2017 | 40% over the limit |
| Solids, total suspended | 3 | 9 | 2 | November 30, 2024 | 3% over the limit |
| NOAEL Static 48Hr Acute D. pulex | 2 | 2 | 2 | August 31, 2020 | 100% over the limit |
| E. coli | 2 | 6 | 1 | July 31, 2020 | 50% over the limit |
| Copper, total [as Cu] | 0 | 3 | 1 | March 31, 2010 | 87% over the limit |
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 1 | 1 | November 30, 2019 | 100% over the limit |
| Flow rate | 2 | 7 | 0 | ||
| pH | 2 | 7 | 0 | ||
| BOD, 5-day, percent removal | 1 | 2 | 0 | ||
| Solids, suspended percent removal | 1 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 1 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 1 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 1 | 0 | ||
| Beryllium, sludge, tot. dry wt [as Be] | 1 | 1 | 0 | ||
| Solids, total, percent | 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 | ||
| Oxygen, dissolved [DO] | 0 | 1 | 0 | ||
| Phosphorus, Total [Avg Seasonal Load Cap] | 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 29, 2020 | Monitoring Violations - Analysis not Conducted | ST6 |
| September 29, 2020 | Reporting Violations - Failure to Notify | ST6 |
| February 9, 2018 | Monitoring Violations - Analysis not Conducted | ST6 |
| February 9, 2018 | Monitoring Violations - Frequency of Sampling Violation | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CT0100960.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 CT0100960 there.
Nearby on the register
- Discharge permits in Putnam
- Every permit record in Putnam, A to Z
- Discharge permits in Connecticut
- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.