Clean Water Act discharge permit · NPDES GA0020478

WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WPCP), Chickamauga, GA: NPDES GA0020478 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
18Pollutants under a numeric limit
6Pollutants with an effluent exceedance
2Inspections on file
1Formal enforcement actions

WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WPCP), held by Walker County Water & Sewerage Authority, holds NPDES permit GA0020478. EPA’s file records it issued August 15, 2016 and expiring August 31, 2021.

WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WPCP), Chickamauga, Georgia: Individual permit GA0020478, held by Walker County Water & Sewerage Authority; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 15, 2016, term to August 31, 2021; Sewage Treatment Facilities.

Solids, suspended percent removal: 1 limit, 11 violations of any kind, 7 effluent exceedances, latest November 30, 1993, largest 247% over the limit.
Coliform, fecal general: 2 limits, 6 violations of any kind, 4 effluent exceedances, latest March 31, 1992, largest 4,900% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 3 effluent exceedances, latest February 29, 2020, largest 9% over the limit.
Solids, total suspended: 8 limits, 10 violations of any kind, 2 effluent exceedances, latest May 31, 2006, largest 48% over the limit.
pH: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest October 31, 1993.
Oxygen, dissolved [DO]: 4 limits, 2 violations of any kind, 1 effluent exceedance, latest September 30, 1998, largest 17% over the limit.
BOD, 5-day, 20 deg. C: 32 limits, 8 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 1 limit, 7 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 32 limits, 4 violations of any kind, 0 effluent exceedances.
Solids, sludge, total, dry weight: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, organic total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Chlorine, total residual: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Phosphorus, ortho: 1 limit, 1 violation of any kind, 0 effluent exceedances.
BOD, 5-day, percent removal: 1 limit, 1 violation of any kind, 0 effluent exceedances.
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Noel Statre 7Day Chronic Pimephales: 1 limit, 0 violations of any kind, 0 effluent exceedances.

October 20, 2026: Evaluation (S).
October 20, 2026: Evaluation (S).
June 11, 2026: Notice of Violation (State).
March 26, 2026: State Administrative Order of Consent (State), $750 state or local penalty.

Georgia holds 458 Publicly owned treatment works coverages of this permit type in EPA’s file; 254 were issued before GA0020478. Walker County Water & Sewerage Authority holds 4 permits in Georgia.

Other permits held by Walker County Water & Sewerage Authority

WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WTP), Flintstone: GAG640161, issued October 30, 2023
WALKER COUNTY WATER & SEWERAGE AUTHORITY, Chickamauga: GAL020478, issued January 1, 2021
HWY 341 WATERLINE FROM COKE OVEN PUMPING STATION TO MOUNTAIN VIEW WATER TANK, Rossville: GAR2542ED, issued August 1, 2023

Coverages issued nearest GA0020478

May 31, 2016: TALLAPOOSA, CITY OF (TALLAPOOSA WPCP), Tallapoosa, GA0020982, held by Tallapoosa, City of
May 31, 2016: TOCCOA, CITY OF (EASTANOLLEE CREEK WPCP), Toccoa, GA0021814, held by Toccoa, City of
July 15, 2016: ROCKDALE COUNTY WATER RESOURCES (ALMAND BRANCH WPCP), Conyers, GA0021610, held by Rockdale County Water Resources
July 21, 2016: CONSOLIDATED UTILITIES, INC. (LARCHMONT ESTATES WPCP), Savannah, GA0034819, held by Consolidated Utilities Inc.
July 29, 2016: NASHVILLE, CITY OF (NASHVILLE WPCP), Nashville, GA0039365, held by Nashville, City of
August 15, 2016: CLAYTON COUNTY WATER AUTHORITY (NORTHEAST WRF), Rex, GA0020575, held by Clayton County
August 15, 2016: CUTHBERT, CITY OF (CUTHBERT WPCP), Cuthbert, GA0037249, held by Cuthbert, City of
August 15, 2016: CLAYTON COUNTY WATER AUTHORITY (SHOAL CREEK WRF), Hampton, GA0038369, held by Clayton County
August 15, 2016: PEACHTREE CITY WATER & SEWER AUTHORITY (ROCKAWAY WRF - NPDES), Peachtree City, GA0046655, held by Peachtree City Water & Sewer Authority
August 26, 2016: RICHMOND HILL, CITY OF (STERLING CREEK WRF), Richmond Hill, GA0037648, held by Richmond Hill, City of

WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WPCP) among its neighbors

EPA’s permit file holds 79 discharge permits in the Tiger Creek subwatershed (HUC 060200010703), GA0020478 among them. Its county holds 10, 1 of them major permits; GA0020478 is a major permit.

Other permits in the Tiger Creek subwatershed (HUC 060200010703)

151 RV STORAGE, Ringgold: GAR18C2B7, minor permit, permit term to July 31, 2028
ACME BLOCK & BRICK, INC., Dalton: GAIS14138, minor permit, permit term to May 31, 2027
ADITYA BIRLA CHEMICALS (USA), INC., Dalton: GAIS15060, minor permit, permit term to May 31, 2027
AMERICHEM, Dalton: GAIS15046, minor permit, permit term to May 31, 2027
ARROPOL CHEMICALS, INC., Dalton: GAIS14396, minor permit, permit term to May 31, 2027
BASIC READY MIX - DALTON, Dalton: GAIS12046, minor permit, permit term to May 31, 2027
BLACKBERRY SPRING POULTRY FARM, Resaca: GAR18C214, minor permit, permit term to July 31, 2028
CALHOUN, CITY OF (CALHOUN WPCP), Calhoun: GA0030333, major permit, permit term to February 28, 2021
CALHOUN, CITY OF (MAULDIN ROAD WTP), Calhoun: GAG640074, minor permit, permit term to December 31, 2025
CHATSWORTH WATER WORKS COMMISSION (JUDSON VICK WPCP), Chatsworth: GA0032492, major permit, permit term to February 28, 2022

Identity

Facility as filed	WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WPCP)
Permittee as filed	Walker County Water & Sewerage Authority
NPDES ID	GA0020478
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	August 15, 2016
Expiration date	August 31, 2021
Address	Chickamauga, GA 30725
Subwatershed	Tiger Creek (HUC 060200010703)
Program components on file	POTW, Pretreatment
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

18Pollutants on file
18Under a numeric limit
16With a violation of any kind
6With 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
Solids, suspended percent removal	1	11	7	November 30, 1993	247% over the limit
Coliform, fecal general	2	6	4	March 31, 1992	4,900% over the limit
Flow, in conduit or thru treatment plant	2	6	3	February 29, 2020	9% over the limit
Solids, total suspended	8	10	2	May 31, 2006	48% over the limit
pH	2	3	1	October 31, 1993
Oxygen, dissolved [DO]	4	2	1	September 30, 1998	17% over the limit
BOD, 5-day, 20 deg. C	32	8	0
Phosphorus, total [as P]	1	7	0
Nitrogen, ammonia total [as N]	32	4	0
Solids, sludge, total, dry weight	1	2	0
Nitrogen, organic total [as N]	1	1	0
Nitrogen, Kjeldahl, total [as N]	1	1	0
Nitrite + Nitrate total [as N]	1	1	0
Chlorine, total residual	1	1	0
Phosphorus, ortho	1	1	0
BOD, 5-day, percent removal	1	1	0
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia	1	0	0
Noel Statre 7Day Chronic Pimephales	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES GA0020478.

Inspections

Date	What EPA recorded	Agency
October 20, 2026	Evaluation	S
October 20, 2026	Evaluation	S

Formal enforcement and penalties

1 formal actions, 1 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.

Date	What EPA recorded	Agency	Federal penalty	State or local penalty
March 26, 2026	State Administrative Order of Consent	State		$750

Informal enforcement

Date	What EPA recorded	Agency
June 11, 2026	Notice of Violation	State

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

This public-records page covers NPDES permit GA0020478 held by Walker County Water & Sewerage Authority for the WALKER COUNTY WATER & SEWER AUTHORITY (WALKER COUNTY WSA WPCP) facility in Chickamauga, GA, a major discharger classed as a publicly owned treatment works and currently administratively continued. The permit was issued August 15, 2016 and expired August 31, 2021, and the page lists 18 pollutants under a numeric limit and 6 pollutants with an effluent exceedance.