Clean Water Act discharge permit · NPDES GAIS03180

READY MIX USA, LLC, Atlanta, GA: NPDES GAIS03180 discharge permit, effluent exceedances, inspections, penalties

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

READY MIX USA, LLC, held by Ready Mix USA, LLC, holds NPDES permit GAIS03180. EPA’s file records it issued June 1, 2022 and expiring May 31, 2027.

READY MIX USA, LLC, Atlanta, Georgia: Coverage under a general permit GAIS03180, held by Ready Mix USA, LLC; Industrial stormwater; Effective; issued June 1, 2022, term to May 31, 2027.

pH: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 1 violation of any kind, 0 effluent exceedances.
Chemical Oxygen Demand [COD]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Oil and grease: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Oil & Grease: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Georgia holds 1,505 Industrial stormwater coverages of this permit type in EPA’s file; 493 were issued before GAIS03180. Ready Mix USA, LLC holds 2 permits in Georgia.

Coverages issued nearest GAIS03180

June 1, 2022: R & B LANDFILL, Homer, GAIS02950, held by R & B Landfill, Inc.
June 1, 2022: GEORGIA POWER CO. (PLANT ARKWRIGHT), Macon, GAIS02989, held by Georgia Power Company
June 1, 2022: GEORGIA-PACIFIC - CEDAR SPRINGS LLC (AW), Cedar Springs, GAIS03044, held by Georgia Pacific Cedar Springs LLC
June 1, 2022: WKA, LLC MAIN PLANT, Gordon, GAIS03140, held by Active Minerals International
June 1, 2022: FLORIDA ROCK INDUSTRIES, INC. - GRIFFIN QUARRY, Williamson, GAIS03155, held by Florida Rock Industries, Inc. - Griffin Quarry
June 1, 2022: GENERAL MILLS OPERATIONS, INC., Covington, GAIS03217, held by General Mills Operations, Inc.
June 1, 2022: AVERY DENNISON, Peachtree City, GAIS03218, held by Avery Dennison
June 1, 2022: MARJAC POULTRY, INC., Gainesville, GAIS03266, held by Marjac Poultry, Inc.
June 1, 2022: ACUITY BRANDS INC., Conyers, GAIS03329, held by Acuitybrands
June 1, 2022: SHAW INDUSTRIES INC. PLT D7, Calhoun, GAIS03451, held by Shaw Industries, Inc.

READY MIX USA, LLC among its neighbors

EPA’s permit file holds 639 discharge permits in the Little Suwanee Creek-Yellow River subwatershed (HUC 030701030301), GAIS03180 among them. Its county holds 143, 4 of them major permits; GAIS03180 is a minor permit.

Other permits in the Little Suwanee Creek-Yellow River subwatershed (HUC 030701030301)

1 CABIN DRIVE DEVELOPMENT, Conley: GAR18C1C4, minor permit, permit term to July 31, 2028
1001 MOSELEY ROAD - TRACT 3, Stockbridge: GAR397746, minor permit, permit term to July 31, 2028
1009 MOSELEY ROAD - TRACT 1, Stockbridge: GAR397744, minor permit, permit term to July 31, 2028
1303 LITHONIA INDUSTRIAL BLVD, Lithonia: GAR18C262, minor permit, permit term to July 31, 2028
1420 AZALEA DRIVE, LOT 3, Lawrenceville: GAR18BD88, minor permit, permit term to July 31, 2028
14300 HOPEWELL ROAD, Alpharetta: GAR18C2EF, minor permit, permit term to July 31, 2028
1540 SIKES ROAD, Statham: GAR3976AC, minor permit, permit term to July 31, 2028
1632 HOWELL BRIDGE RD, Ball Ground: GAR18C252, minor permit, permit term to July 31, 2028
1861 BLACK BEAR TRAIL, Big Canoe: GAR18C26E, minor permit, permit term to July 31, 2028
2178 NE HILLWOOD DR LOT 694-697, Conyers: GAR3976C5, minor permit, permit term to July 31, 2028

Identity

Facility as filed	READY MIX USA, LLC
Permittee as filed	Ready Mix USA, LLC
NPDES ID	GAIS03180
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, 2022
Expiration date	May 31, 2027
Address	Atlanta, GA 30188
Receiving water impaired	303(D) Listed
Subwatershed	Little Suwanee Creek-Yellow River (HUC 030701030301)
SIC	3273 – Ready-Mixed Concrete
Other EPA IDs (FRS)	ICIS-AIR source GA0000001312100724

Effluent limits and exceedances

5Pollutants 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	2	2
Solids, total suspended	2	1
Chemical Oxygen Demand [COD]	1	1
Oil and grease	0	1
Oil & Grease	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES GAIS03180.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES GAIS03180.

Inspections

EPA’s inspection file holds no inspection for NPDES GAIS03180.

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 GAIS03180.

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

This public-records page covers NPDES permit GAIS03180, held by Ready Mix USA, LLC in Atlanta, GA, an effective minor industrial stormwater discharge permit issued June 1, 2022 and expiring May 31, 2027. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with status as of October 14, 2026.