Clean Water Act discharge permit · NPDES ME0001830

G A C CHEMICAL CORPORATION, Searsport, ME: NPDES ME0001830 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
5Pollutants under a numeric limit
3Pollutants with an effluent exceedance

G A C CHEMICAL CORPORATION, held by GENERAL ALUM NEW ENGLAND CORP., holds NPDES permit ME0001830, which discharges to Stockton Harbor. EPA’s file records it issued April 1, 2011 and expiring March 31, 2016. 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	G A C CHEMICAL CORPORATION
Permittee as filed	GENERAL ALUM NEW ENGLAND CORP.
NPDES ID	ME0001830
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Small municipal storm sewer systems
Issued	April 1, 2011
Expiration date	March 31, 2016
Address	Searsport, ME 04974
Receiving water	Stockton Harbor
Other EPA IDs (FRS)	RCRA handler MED051769958; ICIS-AIR source ME0000002302700005

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

5Pollutants on file
5Under a numeric limit
5With 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.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	2	40	12	October 31, 2025
Ammonia [as N] + unionized ammonia	8	62	2	May 31, 2008	49% over the limit
Solids, total suspended	2	33	2	November 30, 2008	190% over the limit
Flow, in conduit or thru treatment plant	2	34	0
Temperature, water deg. fahrenheit	1	16	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 ME0001830.

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

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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 ME0001830 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES ME0001830 for G A C CHEMICAL CORPORATION in Searsport, ME, which discharges to Stockton Harbor and is listed as an effective individual permit for a minor discharger. The facts list permit status, dates, and effluent limit figures, including 5 pollutants on file, 5 under a numeric limit, and 3 with an effluent exceedance.