OG&E -Sooner Generating Station

NPDES permit OK0035068 · Major NON-POTW · effective, expires 2027-03-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
4required values missing, on 2 form(s)
1of 111 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 OK permits in EPA's filings — check your permit).

Limits in force (86)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
101pHMINIMUM >= 6.5 SU all year
101pHMAXIMUM <= 9 SU all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualINST MAX <= .099 mg/L all year
101Chlorine, total residualDAILY MX <= 110 lb/d all year
101Chlorine, free availableMO AVG <= .2 mg/L all year
101Chlorine, free availableDAILY MX <= .5 mg/L all year
101Solids, total dissolved- 180 deg. CDAILY MX report only all year
102pHMINIMUM >= 6 SU all year
102pHMAXIMUM <= 9 SU all year
102Copper, total [as Cu]MO AVG <= 1 mg/L all year
102Copper, total [as Cu]DAILY MX <= 1 mg/L all year
102Iron, total [as Fe]MO AVG <= 1 mg/L all year
102Iron, total [as Fe]DAILY MX <= 1 mg/L all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
103pHMINIMUM >= 6 SU all year
103pHMAXIMUM <= 9 SU all year
103Copper, total [as Cu]MO AVG <= 1 mg/L all year
103Copper, total [as Cu]DAILY MX <= 1 mg/L all year
103Iron, total [as Fe]MO AVG <= 1 mg/L all year
103Iron, total [as Fe]DAILY MX <= 1 mg/L all year
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
106BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
106BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
106BOD, 5-day, 20 deg. CMO AVG <= 3.5 lb/d all year
106BOD, 5-day, 20 deg. CDAILY MX <= 5.3 lb/d all year
106Flow, in conduit or thru treatment plantMO AVG report only all year
106Flow, in conduit or thru treatment plantMO AVG report only all year
106Flow, in conduit or thru treatment plantDAILY MX report only all year
106Flow, in conduit or thru treatment plantDAILY MX report only all year
301pHMINIMUM >= 6.5 SU all year
301pHMAXIMUM <= 9 SU all year
301Solids, total suspendedMO AVG <= 30 mg/L all year
301Solids, total suspendedDAILY MX <= 100 mg/L all year
301Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
301Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
301Flow, in conduit or thru treatment plantMO AVG report only all year
301Flow, in conduit or thru treatment plantDAILY MX report only all year
501pHDAILY MN >= 6.5 SU all year
501pHDAILY MX <= 9 SU all year
501Solids, total suspendedDAILY MX <= 50 mg/L all year
501Flow, in conduit or thru treatment plantMO AVG report only all year
501Flow, in conduit or thru treatment plantDAILY MX report only all year
601pHDAILY MN >= 6.5 SU all year
601pHDAILY MX <= 9 SU all year
601Solids, total suspendedMO AVG <= 30 mg/L all year
601Solids, total suspendedDAILY MX <= 100 mg/L all year
601Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
601Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
601Chloride [as Cl]DAILY MX report only all year
601Sulfate, total [as SO4]DAILY MX report only all year
601Chromium, total [as Cr]MO AVG <= 318.4 mg/L all year
601Chromium, total [as Cr]DAILY MX <= 551.6 mg/L all year
601Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 22 ug/L all year
601Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 38.12 ug/L all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
601Solids, total dissolved- 180 deg. CDAILY MX report only all year
701pHMINIMUM >= 6.5 SU all year
701pHMAXIMUM <= 9 SU all year
701Solids, total suspendedDAILY MX <= 50 mg/L all year
701Copper, total [as Cu]MO AVG <= 27.26 ug/L all year
701Copper, total [as Cu]DAILY MX <= 54.27 ug/L all year
701Lead, total [as Pb]MO AVG <= 12.36 ug/L all year
701Lead, total [as Pb]DAILY MX <= 18.03 ug/L all year
701Zinc, total [as Zn]DAILY MX report only all year
701Phenolics, total recoverableMO AVG <= 860 mg/L all year
701Phenolics, total recoverableDAILY MX <= 1255 mg/L all year
701Flow, in conduit or thru treatment plantMO AVG report only all year
701Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Whole effluent toxicity - retest #148HR MIN report only all year
TX1Whole effluent toxicity - retest #248HR MIN report only all year
TX1LC50 Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX1LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX1LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1%Mortality Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX1% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C48HR MIN 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