Clean Water Act discharge permit · NPDES ALG120466

NEMAK ALABAMA, Sylacauga, AL: NPDES ALG120466 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
20Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

NEMAK ALABAMA, held by Nemak USA, Inc., holds NPDES permit ALG120466. EPA’s file records it issued June 1, 2023 and expiring September 30, 2027.

NEMAK ALABAMA, Sylacauga, Alabama: Coverage under a general permit ALG120466, held by Nemak USA, Inc.; Industrial stormwater; Effective; issued June 1, 2023, term to September 30, 2027, by State; Nonferrous Metal Die-Casting Foundries.

Solids, total suspended: 0 limits, 7 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Total toxic organics [TTO] [40 CFR464b]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Total toxic organics [TTO] [40 CFR464c]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Total toxic organics [TTO] [40 CFR464d]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Oil & Grease: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Rainfall: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Total toxic organics [TTO] [40 CFR464a]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Carbon, tot organic [TOC]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Cyanide, total [as CN]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Arsenic, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Nickel, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Silver total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Aluminum, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Cadmium, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Lead, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Chromium, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Copper, total recoverable: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 1 limit, 1 violation of any kind, 0 effluent exceedances.

Alabama holds 2,504 Industrial stormwater coverages of this permit type in EPA’s file; 2,278 were issued before ALG120466.

Coverages issued nearest ALG120466

April 27, 2023: BREWTON IRON WORKS, LLC, Brewton, ALG120045, held by Brewton Iron Works, Inc.
May 1, 2023: SEOYON E-HWA MANUFACTURING AUBURN, INC., Dadeville, ALG141044, held by KwangSung America Corporation
May 15, 2023: AVERITT EXPRESS GADSDEN, Gadsden, ALNE00405, held by Averitt Express, Inc.
May 24, 2023: HUNTSVILLE USARC/AMSA #145 (G), Huntsville, ALNE00431, held by US Army 81st Readiness Division
June 1, 2023: REAL ALLOY SPECIFICATION, LLC, Steele, ALG120235, held by Real Alloy Specification, LLC
June 1, 2023: RCS INDUSTRIAL & ENVIRONMENTAL, Lafayette, ALG141111, held by ERS Properties, LLC
June 11, 2023: MARTIN TRANSPORT - MOBILE TRUCKING TERMINAL, Creola, ALNE00587, held by Martin Transport, Inc.
June 12, 2023: ROHR, INC. (A UTC AEROSPACE SYSTEMS COMPANY), Foley, ALG120144, held by Rohr, Inc. (a UTC Aerospace Systems Company)
June 15, 2023: AMZ FORGE AND MACHINE CORP, Anniston, ALG120288, held by BAE Systems, Inc.
June 27, 2023: ABF FREIGHT SYSTEM, INC., Birmingham, ALNE00220, held by ABF Freight System, Inc.

NEMAK ALABAMA among its neighbors

EPA’s permit file holds 29 discharge permits in the Shirtee Creek subwatershed (HUC 031501070104), ALG120466 among them. Its county holds 167, 6 of them major permits; ALG120466 is a minor permit.

Other permits in the Shirtee Creek subwatershed (HUC 031501070104)

AVONDALE PROPERTY, Oak Grove: ALR10BDMH, minor permit, permit term to March 31, 2021
BLUE BELL - SYLACAUGA PLANT, Sylacauga: ALR10AQ30, minor permit, permit term to March 31, 2016
BOWDEN OIL COMPANY, INC., Sylacauga: ALG340061, minor permit, permit term to January 31, 2017
CORBITT ENVIRONMENTAL, Sylacauga: ALNE00604, minor permit, permit term to November 6, 2028
E.A.R.T.H., Sylacauga: ALR10C6B3, minor permit, permit term to March 31, 2026
EAST ALABAMA TRAINING HUB DEMO, Sylacauga: ALR10C39D, minor permit, permit term to March 31, 2026
FLEETWOOD METAL INDUSTRIES, Sylacauga: ALNE00654, minor permit, permit term to April 6, 2031
GROCERY STORE - MCS, Sylacauga: ALR10C039, minor permit, permit term to March 31, 2021
HARRELL'S COATINGS SOLUTIONS, LLC, Sylacauga: AL0077267, minor permit, permit term to September 30, 2021
HARRELL'S COATINGS SOLUTIONS, LLC - EDWARDS STREET, Sylacauga: AL0071102, minor permit, permit term to August 31, 2023

Identity

Facility as filed	NEMAK ALABAMA
Permittee as filed	Nemak USA, Inc.
NPDES ID	ALG120466
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	June 1, 2023
Expiration date	September 30, 2027
Issuing agency	State
Address	Sylacauga, AL 35150
Subwatershed	Shirtee Creek (HUC 031501070104)
NAICS	331523 – Nonferrous Metal Die-Casting Foundries
SIC	3363 – Aluminum Die-Castings
Other EPA IDs (FRS)	RCRA handler ALR000028175; ICIS-AIR source AL0000000112100047

Effluent limits and exceedances

21Pollutants on file
20Under a numeric limit
21With 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
Solids, total suspended	0	7
pH	2	6
Total toxic organics [TTO] [40 CFR464b]	1	3
Total toxic organics [TTO] [40 CFR464c]	1	3
Total toxic organics [TTO] [40 CFR464d]	1	3
Oil & Grease	1	2
Rainfall	1	2
Total toxic organics [TTO] [40 CFR464a]	1	2
Nitrogen, total [as N]	1	1
Carbon, tot organic [TOC]	1	1
Cyanide, total [as CN]	1	1
Arsenic, total recoverable	1	1
Nickel, total recoverable	1	1
Silver total recoverable	1	1
Zinc, total [as Zn]	1	1
Aluminum, total recoverable	1	1
Cadmium, total recoverable	1	1
Lead, total recoverable	1	1
Chromium, total recoverable	1	1
Copper, total recoverable	1	1
Mercury, total [as Hg]	1	1

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ALG120466.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALG120466.

Inspections

EPA’s inspection file holds no inspection for NPDES ALG120466.

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 ALG120466.

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, ALG120466.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act industrial stormwater permit ALG120466 for NEMAK ALABAMA in Sylacauga, AL, held by Nemak USA, Inc., with an effective status, a Minor discharger class of 20, and 0 pollutants under a numeric limit and 0 with an effluent exceedance. The permit was issued June 1, 2023 and expires September 30, 2027, and the listed status reflects EPA's file as loaded on October 14, 2026.