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Clean Water Act discharge permit · NPDES NJG316539

GUEST CENTER ADDITION, Rahway City, NJ: NPDES NJG316539 discharge permit, effluent exceedances, inspections, penalties

GUEST CENTER ADDITION, held by MERCK SHARP & DOHME CORP, holds NPDES permit NJG316539. EPA’s file records it issued January 29, 2021 and expiring February 28, 2022.

GUEST CENTER ADDITION, Rahway City, New Jersey: Coverage under a general permit NJG316539, held by MERCK SHARP & DOHME CORP; Administratively continued (past its expiration date and still in force until reissued); issued January 29, 2021, term to February 28, 2022.

Other permits held by MERCK SHARP & DOHME CORP

GUEST CENTER ADDITION among its neighbors

EPA’s permit file holds 143 discharge permits in the Lower Rahway River subwatershed (HUC 020301040104), NJG316539 among them. Its county holds 688, 4 of them major permits; NJG316539 is a minor permit.

Other permits in the Lower Rahway River subwatershed (HUC 020301040104)

What the register holds for GUEST CENTER ADDITION: its NPDES ID, its permit type and status, its dates, its address in Rahway City, New Jersey. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NJG316539.

Identity

Facility as filedGUEST CENTER ADDITION
Permittee as filedMERCK SHARP & DOHME CORP
NPDES IDNJG316539
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 29, 2021
Expiration dateFebruary 28, 2022
AddressRahway City, NJ 07065
Receiving water impaired303(D) Listed
SubwatershedLower Rahway River (HUC 020301040104)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NJG316539.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NJG316539.

Inspections

EPA’s inspection file holds no inspection for NPDES NJG316539.

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 NJG316539.

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, NJG316539.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The GUEST CENTER ADDITION permit, NPDES ID NJG316539, is one of 677 general permit coverages in Union County, and 5.8% of those coverages have a violation on file. It is also one of 143 NPDES permits in the Lower Rahway River subwatershed, and 63.1% of all 677 Union County general permit coverages were issued earlier than this one. The permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.