Clean Water Act discharge permit · NPDES CT0026972
STERLING PROPERTY, LLC, Sterling, CT: NPDES CT0026972 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
STERLING PROPERTY, LLC, held by EXETER ENERGY/OXFORD DIST, holds NPDES permit CT0026972, which discharges to Moosup River. EPA’s file records it issued January 31, 2007 and expiring January 31, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | STERLING PROPERTY, LLC |
|---|---|
| Permittee as filed | EXETER ENERGY/OXFORD DIST |
| NPDES ID | CT0026972 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 31, 2007 |
| Expiration date | January 31, 2012 |
| Issuing agency | CT DEP |
| Address | Sterling, CT 06377 |
| Receiving water | MOOSUP RIVER |
| Subwatershed | Lower Moosup River (HUC 011000010503) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 20Under a numeric limit
- 29With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| Zinc, total [as Zn] | 3 | 33 | 7 | December 31, 2011 | 2,683% over the limit |
| LC50 Static 48Hr Acute D. Pulex | 2 | 23 | 7 | January 31, 2017 | 100% over the limit |
| LC50 Static 48Hr Acute Pimephales promelas | 2 | 23 | 7 | June 30, 2020 | 100% over the limit |
| Solids, total suspended | 3 | 33 | 4 | July 31, 2010 | 220% over the limit |
| pH, minimum | 0 | 14 | 4 | August 31, 2018 | |
| Copper, total [as Cu] | 3 | 29 | 2 | July 31, 2010 | 32% over the limit |
| Oil & Grease | 2 | 25 | 2 | July 31, 2010 | 40% over the limit |
| NOAEL Static 48Hr Acute D. pulex | 0 | 14 | 2 | January 31, 2017 | 72% over the limit |
| NOAEL Static 48Hr Acute Pimephales promelas | 0 | 14 | 2 | June 30, 2020 | 72% over the limit |
| pH, maximum | 0 | 13 | 2 | May 31, 2018 | |
| pH | 3 | 33 | 1 | February 28, 2017 | |
| Barium, total [as Ba] | 2 | 34 | 0 | ||
| Nickel, total [as Ni] | 2 | 32 | 0 | ||
| Chromium, total [as Cr] | 2 | 31 | 0 | ||
| Lead, total [as Pb] | 3 | 30 | 0 | ||
| Flow rate | 1 | 30 | 0 | ||
| Cadmium, total [as Cd] | 3 | 29 | 0 | ||
| Manganese, total [as Mn] | 2 | 26 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 25 | 0 | ||
| Iron, total [as Fe] | 2 | 24 | 0 | ||
| Aluminum, total [as Al] | 2 | 24 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 23 | 0 | ||
| Phosphorus, total [as P] | 0 | 23 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 15 | 0 | ||
| Flow | 1 | 13 | 0 | ||
| Duration of discharge | 1 | 13 | 0 | ||
| Flow rate | 0 | 12 | 0 | ||
| Precipitation volume | 1 | 6 | 0 | ||
| Chlorine, total residual | 0 | 2 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 26, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| July 26, 2021 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| July 26, 2021 | Monitoring Violations - No Flow Measurement Device | 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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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 CT0026972 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.