Southern Nuclear Operating Company, Inc.

NPDES permit GA0039420 · Major NON-POTW · effective, expires 2026-11-30 · EPA's file as of 2026-09-19

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Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 77 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among GA permits in EPA's filings — check your permit).

Limits in force (59)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Phosphorus, total [as P]DAILY AV report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Temp. diff. between up/down stream deg. FDAILY MX <= 5 deg F all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV report only Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
001Noel Statre 7Day Chronic PimephalesMINIMUM report only all year
002Chlorine, total residual [dsg. time]DAILY MX <= 120 min/d all year
002Zinc, total recoverableDAILY AV <= 1 mg/L all year
002Zinc, total recoverableDAILY MX <= 1 mg/L all year
002Chromium, total recoverableDAILY AV <= .2 mg/L all year
002Chromium, total recoverableDAILY MX <= .2 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualDAILY AV report only all year
002Chlorine, total residualDAILY MX report only all year
002Chlorine, free availableDAILY AV <= .2 mg/L all year
002Chlorine, free availableDAILY MX <= .5 mg/L all year
003Chlorine, total residual [dsg. time]DAILY MX <= 120 min/d all year
003Zinc, total recoverableDAILY AV <= 1 mg/L all year
003Zinc, total recoverableDAILY MX <= 1 mg/L all year
003Chromium, total recoverableDAILY AV <= .2 mg/L all year
003Chromium, total recoverableDAILY MX <= .2 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY AV report only all year
003Chlorine, total residualDAILY MX report only all year
003Chlorine, free availableDAILY AV <= .2 mg/L all year
003Chlorine, free availableDAILY MX <= .5 mg/L all year
004Solids, total suspendedDAILY AV <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Oil & GreaseDAILY AV <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 20 mg/L all year
004Flow, in conduit or thru treatment plantDAILY AV report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005Solids, total suspendedDAILY AV <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 100 mg/L all year
005Oil & GreaseDAILY AV <= 15 mg/L all year
005Oil & GreaseDAILY MX <= 20 mg/L all year
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006Solids, total suspendedDAILY AV <= 30 mg/L all year
006Solids, total suspendedDAILY MX <= 100 mg/L all year
006Oil & GreaseDAILY AV <= 15 mg/L all year
006Oil & GreaseDAILY MX <= 20 mg/L all year
006Flow, in conduit or thru treatment plantDAILY AV report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007Solids, total suspendedDAILY AV <= 30 mg/L all year
007Solids, total suspendedDAILY MX <= 100 mg/L all year
007Oil & GreaseDAILY AV <= 15 mg/L all year
007Oil & GreaseDAILY MX <= 20 mg/L all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states