South Carolina Generating Company, Inc.

NPDES permit SC0003883 · Major NON-POTW · administratively continued, expires 2021-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
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.

This permit expired on 2021-12-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 60 forms filed late

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

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (44)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX <= 104 deg F all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
002Temp. diff. between samp. & upstrm deg. F1H <= 17.5 deg F all year
002Temp. diff. between samp. & upstrm deg. FDAILY MX report only all year
002pHINST MIN >= 6.5 SU all year
002pHINST MAX <= 8.5 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Floating solids, waste or visible foam-visualDAILY MX <= 0 N=0;Y=1 all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMO AVG <= 48 ug/L all year
002Chlorine, total residualDAILY MX <= 83 ug/L all year
002Mercury, total [as Hg]MO AVG report only all year
002Mercury, total [as Hg]DAILY MX report only all year
002Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
002LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only all year
002%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
002%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
002Pass/Fail Static 48Hr Acute Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
002IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN report only all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 100 mg/L all year
005Oil & GreaseMO AVG <= 15 mg/L all year
005Oil & GreaseDAILY MX <= 20 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
008Copper, total [as Cu]MO AVG <= 1 mg/L all year
008Copper, total [as Cu]DAILY MX <= 1 mg/L all year
008Iron, total [as Fe]MO AVG <= 1 mg/L all year
008Iron, total [as Fe]DAILY MX <= 1 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009Solids, total suspendedMO AVG <= 30 mg/L all year
009Solids, total suspendedDAILY MX <= 100 mg/L all year
009Oil & GreaseMO AVG <= 15 mg/L all year
009Oil & GreaseDAILY MX <= 20 mg/L all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, 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