Clean Water Act discharge permit · NPDES ALG230048

GCP APPLIED TECHNOLOGIES INC, Irondale, AL: NPDES ALG230048 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

GCP APPLIED TECHNOLOGIES INC, held by GCP Applied Technologies Inc, holds NPDES permit ALG230048. EPA’s file records it issued September 26, 2017 and expiring September 30, 2022. 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	GCP APPLIED TECHNOLOGIES INC
Permittee as filed	GCP Applied Technologies Inc
NPDES ID	ALG230048
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
Program	Industrial stormwater
Issued	September 26, 2017
Expiration date	September 30, 2022
Address	Irondale, AL 35210
Subwatershed	Upper Shades Creek (HUC 031502020301)
NAICS	327420 – Gypsum Product Manufacturing
SIC	3275 – Gypsum Products
Other EPA IDs (FRS)	ICIS-AIR source ALJEF0000107300266

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
0With 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
pH	4	26
Solids, total suspended	2	12
Rainfall	2	12
Oil & Grease	2	6

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ALG230048.

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 ALG230048.

Inspections

EPA’s inspection file holds no inspection for NPDES ALG230048.

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 ALG230048.

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 ALG230048 there.

Nearby on the register

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

This public-records page covers NPDES permit ALG230048 held by GCP Applied Technologies Inc in Irondale, AL, an industrial stormwater program permit shown as administratively continued after its expiration date. The facts list 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued September 26, 2017 and expiring September 30, 2022.