Public Service Co. of Oklahoma - NE Station

NPDES permit OK0034380 · Major NON-POTW · effective, expires 2026-12-31 · 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.

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

0values over a limit
6required values missing, on 1 form(s)
3of 85 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (78)

OutfallParameterStatisticLimitMonths
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX <= 45 mg/L all year
004Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
004Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualINST MAX <= .099 mg/L all year
005Temperature, water deg. centigradeMO AVG report only all year
005Temperature, water deg. centigradeDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 9 SU all year
005Copper, total [as Cu]MO AVG report only all year
005Copper, total [as Cu]DAILY MX report only all year
005Copper, total [as Cu]MO AVG report only all year
005Copper, total [as Cu]DAILY MX report only all year
005Selenium, total [as Se]MO AVG <= 4.94 ug/L all year
005Selenium, total [as Se]DAILY MX <= 6.74 ug/L all year
005Selenium, total [as Se]MO AVG <= .122 lb/d all year
005Selenium, total [as Se]DAILY MX <= .165 lb/d 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
005Chlorine, total residualINST MAX <= .099 mg/L 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, free availableMO AVG <= .2 mg/L all year
101Chlorine, free availableDAILY MX <= .5 mg/L all year
101Chlorine, free availableMO AVG <= 2 lb/d all year
101Chlorine, free availableDAILY MX <= 4 lb/d all year
102Solids, total suspendedMO AVG <= 30 mg/L all year
102Solids, total suspendedDAILY MX <= 50 mg/L all year
102Solids, total suspendedMO AVG <= 290 lb/d all year
102Solids, total suspendedDAILY MX <= 480 lb/d all year
102Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
102Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
102Oil and grease, hexane extr methodMO AVG <= 140 lb/d all year
102Oil and grease, hexane extr methodDAILY MX <= 190 lb/d 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
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
103Chlorine, free availableMO AVG <= .2 mg/L all year
103Chlorine, free availableDAILY MX <= .5 mg/L all year
103Chlorine, free availableMO AVG <= 2 lb/d all year
103Chlorine, free availableDAILY MX <= 5 lb/d all year
104Solids, total suspendedMO AVG <= 30 mg/L all year
104Solids, total suspendedDAILY MX <= 50 mg/L all year
104Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
104Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
104Flow, in conduit or thru treatment plantMO AVG report only all year
104Flow, in conduit or thru treatment plantDAILY MX report only all year
105Solids, total suspendedMO AVG <= 30 mg/L all year
105Solids, total suspendedDAILY MX <= 100 mg/L all year
105Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
105Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
105Copper, total [as Cu]MO AVG <= 1 mg/L all year
105Copper, total [as Cu]DAILY MX <= 1 mg/L all year
105Iron, total [as Fe]MO AVG <= 1 mg/L all year
105Iron, total [as Fe]DAILY MX <= 1 mg/L all year
105Flow, in conduit or thru treatment plantMO AVG report only all year
105Flow, in conduit or thru treatment plantDAILY MX report only all year
TX5Whole effluent toxicity - retest #17 DA MIN report only all year
TX5Whole effluent toxicity - retest #17 DA MIN report only all year
TX5Whole effluent toxicity - retest #27 DA MIN report only all year
TX5Whole effluent toxicity - retest #27 DA MIN report only all year
TX5Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX5%Mortality 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5%Mortality Static Renewal 7Day Chronic Pimephales Promelas7 DA MIN report only all year
TX5Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX5NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX5NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX5Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA 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