OG&E River Valley Generating Station

NPDES permit OK0040169 · Minor NON-POTW · effective, expires 2028-10-31 · 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
0required values missing, on 0 form(s)
0of 62 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 (40)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.35 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX <= 37 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX <= 346.5 lb/d all year
001Oxidants, total residualINST MAX <= .099 mg/L 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
001E. coliGEO MEAN <= 126 CFU/100mL May, Jun, Jul, Aug, Sep
001E. coliGEO MEAN <= 630 CFU/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 406 CFU/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 2030 CFU/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
01AOxidants, free availableMO AVG <= .2 mg/L all year
01AOxidants, free availableDAILY MX <= .5 mg/L all year
01AFlow, in conduit or thru treatment plantMO AVG report only all year
01AFlow, in conduit or thru treatment plantDAILY MX report only all year
01BBOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
01BBOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
01BBOD, 5-day, 20 deg. CMO AVG report only all year
01BBOD, 5-day, 20 deg. CDAILY MX report only all year
01BSolids, total suspendedMO AVG <= 30 mg/L all year
01BSolids, total suspendedDAILY MX <= 45 mg/L all year
01BSolids, total suspendedMO AVG report only all year
01BSolids, total suspendedDAILY MX report only all year
01BFlow, in conduit or thru treatment plantMO AVG report only all year
01BFlow, in conduit or thru treatment plantDAILY MX report only all year
01CpHMINIMUM >= 6 SU all year
01CpHMAXIMUM <= 9 SU all year
01CSolids, total suspendedDAILY MX <= 50 mg/L all year
01CFlow, in conduit or thru treatment plantMO AVG report only all year
01CFlow, in conduit or thru treatment plantDAILY MX report only all year
01HpHMINIMUM >= 6 SU all year
01HpHMAXIMUM <= 9 SU all year
01HSolids, total suspendedMO AVG <= 30 mg/L all year
01HSolids, total suspendedDAILY MX <= 100 mg/L all year
01HOil and grease, hexane extr methodMO AVG <= 15 mg/L all year
01HOil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
01HFlow, in conduit or thru treatment plantMO AVG report only all year
01HFlow, 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