Clean Water Act discharge permit · NPDES NY0002321
DUNKIRK GENERATING STATION, Dunkirk, NY: NPDES NY0002321 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 25Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
DUNKIRK GENERATING STATION, held by NRG DUNKIRK POWER LLC, holds NPDES permit NY0002321, which discharges to Lake Erie - Dunkirk Harbor. EPA’s file records it issued December 7, 2004 and expiring April 30, 2010. 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 | DUNKIRK GENERATING STATION |
|---|---|
| Permittee as filed | NRG DUNKIRK POWER LLC |
| NPDES ID | NY0002321 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 7, 2004 |
| Expiration date | April 30, 2010 |
| Issuing agency | NYSDEC |
| Address | Dunkirk, NY 14048 |
| Receiving water | LAKE ERIE - DUNKIRK HARBOR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Scott Creek-Frontal Lake Erie (HUC 041201010202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 25Pollutants on file
- 25Under a numeric limit
- 9With a violation of any kind
- 9With 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, total suspended | 17 | 21 | 21 | December 31, 2014 | 250% over the limit |
| Selenium, total [as Se] | 3 | 7 | 7 | June 30, 2009 | 960% over the limit |
| Lead, total [as Pb] | 4 | 5 | 5 | June 30, 2008 | 150% over the limit |
| Temperature, water deg. fahrenheit | 3 | 5 | 5 | August 31, 2006 | 3% over the limit |
| Temp. diff. between intake and discharge | 1 | 3 | 3 | June 30, 2007 | 19% over the limit |
| Arsenic, total [as As] | 4 | 2 | 2 | March 31, 2006 | 20% over the limit |
| Net rate of additionof heat | 2 | 2 | 2 | July 31, 2003 | 13% over the limit |
| Mercury, total [as Hg] | 2 | 2 | 1 | August 31, 2018 | 89% over the limit |
| pH | 16 | 1 | 1 | May 31, 2003 | |
| Flow, in conduit or thru treatment plant | 13 | 0 | 0 | ||
| Oil & Grease | 7 | 0 | 0 | ||
| Chromium, total [as Cr] | 6 | 0 | 0 | ||
| Copper, total [as Cu] | 5 | 0 | 0 | ||
| Iron, total [as Fe] | 5 | 0 | 0 | ||
| Zinc, total [as Zn] | 5 | 0 | 0 | ||
| Flow rate | 4 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 4 | 0 | 0 | ||
| Manganese, total [as Mn] | 4 | 0 | 0 | ||
| Nitrogen, ammonia, total [as NH3] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Ammonia [as N] + unionized ammonia | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 1 | 0 | 0 | ||
| Aluminum, dissolved [as Al] | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Temp. difference, winter [deg. F] | 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 NY0002321.
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, NY0002321.
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 NY0002321 there.
Nearby on the register
- Discharge permits in Dunkirk
- Every permit record in Dunkirk, A to Z
- Discharge permits in New York
- Every permit record in New York, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.