Clean Water Act discharge permit · NPDES NJG005134

HERCULES GIBBSTOWN GROUNDWATER TREATMENT SITE, Greenwich Twp, NJ: NPDES NJG005134 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
114Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

HERCULES GIBBSTOWN GROUNDWATER TREATMENT SITE, held by HERCULES LLC, holds NPDES permit NJG005134. EPA’s file records it issued August 26, 2020 and expiring July 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	HERCULES GIBBSTOWN GROUNDWATER TREATMENT SITE
Permittee as filed	HERCULES LLC
NPDES ID	NJG005134
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 26, 2020
Expiration date	July 31, 2025
Address	Greenwich Twp, NJ 08027
Receiving water impaired	303(D) Listed
Subwatershed	Woodbury Creek-Delaware River (HUC 020402020507)
SIC	2869 – Industrial Organic Chemicals

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

114Pollutants on file
114Under a numeric limit
113With a violation of any kind
3With 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; the 60 with the most exceedances of 114 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
2,3,7,8-Tetrachlorodibenzo-p-dioxin	2	6	4	February 28, 2026	9,900% over the limit
.alpha.-Endosulfan	2	4	2	February 28, 2026	15% over the limit
Chlordane [tech mix. and metabolites]	2	4	2	February 28, 2026	10% over the limit
Cyanide, total [as CN]	2	6	0
Mercury, total [as Hg]	2	6	0
pH	2	2	0
Solids, total suspended	2	2	0
Carbon, tot organic [TOC]	2	2	0
Selenium, total recoverable	2	2	0
Cadmium, total [as Cd]	2	2	0
Chromium, total [as Cr]	2	2	0
Copper, total [as Cu]	2	2	0
Lead, total [as Pb]	2	2	0
Nickel, total [as Ni]	2	2	0
Silver, total [as Ag]	2	2	0
Zinc, total [as Zn]	2	2	0
Arsenic	2	2	0
Dichlorobromomethane	2	2	0
1,2-Dichloroethane	2	2	0
Bromoform	2	2	0
Chloroform	2	2	0
Toluene	2	2	0
Benzene	2	2	0
Acenaphthylene	2	2	0
Acrolein	2	2	0
Acrylonitrile	2	2	0
Anthracene	2	2	0
Benzo[b]fluoranthene	2	2	0
Benzo[k]fluoranthene	2	2	0
Benzo[a]pyrene	2	2	0
Bis[2-chloroethyl] ether	2	2	0
Bis[2-chloroisopropyl] ether	2	2	0
Butyl benzyl phthalate	2	2	0
Chlorobenzene	2	2	0
Chlorodibromomethane	2	2	0
Chrysene	2	2	0
Diethyl phthalate	2	2	0
Dimethyl phthalate	2	2	0
Endosulfan sulfate	2	2	0
.beta.-Endosulfan	2	2	0
Endrin aldehyde	2	2	0
Ethylbenzene	2	2	0
Fluoranthene	2	2	0
Fluorene	2	2	0
Hexachlorocyclopentadiene	2	2	0
Hexachloroethane	2	2	0
Indeno[1,2,3-cd]pyrene	2	2	0
Isophorone	2	2	0
Methyl bromide [Bromomethane]	2	2	0
Methyl chloride [Chloromethane]	2	2	0
Methylene chloride	2	2	0
N-Nitrosodiphenylamine	2	2	0
N-Nitrosodimethylamine [NDMA]	2	2	0
Nitrobenzene	2	2	0
Pyrene	2	2	0
Tetrachloroethylene	2	2	0
1,1-Dichloroethane	2	2	0
1,1-Dichloroethylene	2	2	0
1,1,1-Trichloroethane	2	2	0
1,1,2-Trichloroethane	2	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NJG005134.

Inspections

EPA’s inspection file holds no inspection for NPDES NJG005134.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES NJG005134.

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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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 NJG005134 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES NJG005134 for HERCULES GIBBSTOWN GROUNDWATER TREATMENT SITE in Greenwich Twp, NJ, held by HERCULES LLC, with a status of administratively continued and a Discharger class of 114. The permit lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, and the permit file records an issue date of August 26, 2020 and an expiration date of July 31, 2025.