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Clean Water Act discharge permit · NPDES GA0004120

SOUTHERN NUCLEAR OPERATING COMPANY (HATCH NUCLEAR PLANT), Baxley, GA: NPDES GA0004120 discharge permit, effluent exceedances, inspections, penalties

SOUTHERN NUCLEAR OPERATING COMPANY (HATCH NUCLEAR PLANT), held by Southern Nuclear Operating Co., holds NPDES permit GA0004120. EPA’s file records it issued May 16, 2017 and expiring May 31, 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 filedSOUTHERN NUCLEAR OPERATING COMPANY (HATCH NUCLEAR PLANT)
Permittee as filedSouthern Nuclear Operating Co.
NPDES IDGA0004120
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 16, 2017
Expiration dateMay 31, 2022
AddressBaxley, GA 31513
SubwatershedChapel Creek (HUC 030701060304)
NAICS221113 – Nuclear Electric Power Generation
SIC4911 – Electric Services
Other EPA IDs (FRS)RCRA handler GAD000612564; ICIS-AIR source GA0000001300100001

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended82213September 30, 2024527% over the limit
Chlorine, free available162140
Oil & Grease82140
Chlorine, total residual161940
Flow, in conduit or thru treatment plant281770
pH161380
Zinc, total [as Zn]0950
Chromium, total [as Cr]0920
Chlorine, total residual [dsg. time]6470
Oil and grease [soxhlet extr.] tot.0300
Temperature, water deg. fahrenheit4240
Nitrogen, total [as N]040
Nitrogen, organic total [as N]040
Nitrogen, ammonia total [as N]040
Nitrogen, Kjeldahl, total [as N]040
Nitrite + Nitrate total [as N]040
Chromium, total recoverable1210
Zinc, total recoverable1200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES GA0004120.

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 GA0004120 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES GA0004120, held by Southern Nuclear Operating Co. for the Southern Nuclear Operating Company (Hatch Nuclear Plant) in Baxley, GA, with the permit listed as administratively continued. The page lists 10 as the discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance.