Clean Water Act discharge permit · NPDES NJ0005517
GILBERT GENERATING STATION, Holland Twp, NJ: NPDES NJ0005517 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 14Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
GILBERT GENERATING STATION, held by NRG ENERGY INC, holds NPDES permit NJ0005517. EPA’s file records it issued August 16, 2016 and expiring September 30, 2021. 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 | GILBERT GENERATING STATION |
|---|---|
| Permittee as filed | NRG ENERGY INC |
| NPDES ID | NJ0005517 |
| 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 | August 16, 2016 |
| Expiration date | September 30, 2021 |
| Address | Holland Twp, NJ 08848 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Harihokake Creek-Delaware River (HUC 020401050904) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 14Under a numeric limit
- 21With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Hydrocarbons, in H2O, IR, CC14 extractible chromatograph | 4 | 27 | 1 | November 30, 2014 | 99,999% over the limit |
| Chlorine, free available | 2 | 13 | 1 | April 30, 2013 | 260% over the limit |
| Zinc, total recoverable | 4 | 75 | 0 | ||
| Solids, total suspended | 4 | 64 | 0 | ||
| Solids, total dissolved | 4 | 62 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 60 | 0 | ||
| Copper, total recoverable | 4 | 59 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 51 | 0 | ||
| pH | 4 | 46 | 0 | ||
| Temperature, water deg. centigrade | 4 | 44 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 26 | 0 | ||
| Chromium, total recoverable | 0 | 18 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 0 | 18 | 0 | ||
| LC50 Static 96Hr Acute Pimephales | 1 | 13 | 0 | ||
| Heat [winter] [per hour] | 2 | 8 | 0 | ||
| Heat [summer] [per hour] | 2 | 6 | 0 | ||
| Chlorine produced oxidants | 0 | 6 | 0 | ||
| Net rate of additionof heat | 0 | 6 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 1 | 5 | 0 | ||
| Temp. difference, winter [deg. C] | 0 | 4 | 0 | ||
| Temp. difference, summer [deg. C] | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 16, 2019 | Permit Violations - Application Incomplete | 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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Nearby on the register
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- Every permit record in New Jersey, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.