Clean Water Act discharge permit · NPDES CT0101231
NORFOLK SEWER DISTRICT, Norfolk, CT: NPDES CT0101231 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 48Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
NORFOLK SEWER DISTRICT holds NPDES permit CT0101231, which discharges to Blackberry River. EPA’s file records it issued August 18, 2015 and expiring August 31, 2020. 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 | NORFOLK SEWER DISTRICT |
|---|---|
| Permittee as filed | NORFOLK SEWER DISTRICT |
| NPDES ID | CT0101231 |
| 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 | August 18, 2015 |
| Expiration date | August 31, 2020 |
| Issuing agency | CT DEP |
| Address | Norfolk, CT 06058 |
| Receiving water | BLACKBERRY RIVER |
| Subwatershed | Blackberry River (HUC 011000050303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 49Pollutants on file
- 48Under a numeric limit
- 15With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 0 | 100 | 100 | June 30, 2015 | 7,329% over the limit |
| Chlorine, total residual | 4 | 8 | 8 | September 30, 2002 | 475% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 9 | 7 | October 31, 2025 | 38% over the limit |
| Solids, total suspended | 5 | 7 | 4 | February 28, 2026 | 590% over the limit |
| pH | 2 | 6 | 4 | January 31, 2010 | |
| Copper, total [as Cu] | 4 | 6 | 3 | September 30, 2021 | 103% over the limit |
| Solids, suspended percent removal | 1 | 4 | 2 | December 31, 2002 | 30% over the limit |
| Zinc, total [as Zn] | 2 | 1 | 1 | April 30, 2022 | 9% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 3 | 0 | ||
| Flow rate | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 4 | 1 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 1 | 0 | ||
| Lead, total [as Pb] | 2 | 1 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Beryllium, total [as Be] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Thallium, total [as Tl] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Antimony, total [as Sb] | 2 | 0 | 0 | ||
| Aluminum, total [as Al] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenols | 2 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Phosphorus, Total [Avg Seasonal Load Cap] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CT0101231.
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 CT0101231 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.