Clean Water Act discharge permit · NPDES GAG640034

CLAYTON COUNTY (WILLIAM J. HOOPER WTP), Stockbridge, GA: NPDES GAG640034 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
1Pollutants with an effluent exceedance

CLAYTON COUNTY (WILLIAM J. HOOPER WTP), held by Clayton County Water Authority, holds NPDES permit GAG640034. EPA’s file records it issued December 31, 2020 and expiring December 31, 2025. 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	CLAYTON COUNTY (WILLIAM J. HOOPER WTP)
Permittee as filed	Clayton County Water Authority
NPDES ID	GAG640034
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
Issued	December 31, 2020
Expiration date	December 31, 2025
Address	Stockbridge, GA 30281
Receiving water impaired	303(D) Listed
Subwatershed	Little Suwanee Creek-Yellow River (HUC 030701030301)
NAICS	221310 – Water Supply and Irrigation Systems
SIC	4941 – Water Supply

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
7With a violation of any kind
1With 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
pH	2	32	2	August 31, 2020
Iron, total recoverable	2	32	0
Aluminum, total recoverable	2	32	0
Solids, total suspended	2	28	0
Flow, in conduit or thru treatment plant	2	28	0
Solids, sludge, total, dry weight	1	16	0
Chlorine, total residual	2	15	0
Phosphorus, total [as P]	2	0	0
Coliform, fecal general	2	0	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 GAG640034.

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.

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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 GAG640034 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES GAG640034 for CLAYTON COUNTY (WILLIAM J. HOOPER WTP) in Stockbridge, GA, held by Clayton County Water Authority, with its status shown as administratively continued and its discharger class as Minor. The page lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, and the permit's issue and expiration dates are December 31, 2020 and December 31, 2025, respectively, as they stood when the record was loaded on October 14, 2026.