OneOK Hydrocarbon, LP-Medford

NPDES permit OK0045306 · Minor NON-POTW · effective, expires 2028-11-30 · 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
0required values missing, on 0 form(s)
0of 15 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 (50)

OutfallParameterStatisticLimitMonths
007Temperature, water deg. centigradeMO AVG <= 52 deg C all year
007Temperature, water deg. centigradeDAILY MX <= 52 deg C all year
007pHMINIMUM >= 6.5 SU all year
007pHMAXIMUM <= 9 SU all year
007Oil & GreaseMO AVG report only all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Cyanide, total [as CN]MO AVG <= 10.16 ug/L all year
007Cyanide, total [as CN]DAILY MX <= 17.61 ug/L all year
007Cyanide, total [as CN]MO AVG <= .03 lb/d all year
007Cyanide, total [as CN]DAILY MX <= .06 lb/d all year
007Sulfate, total [as SO4]MO AVG <= 538 mg/L all year
007Sulfate, total [as SO4]DAILY MX <= 739 mg/L all year
007Sulfate, total [as SO4]MO AVG <= 775 lb/d all year
007Sulfate, total [as SO4]DAILY MX <= 1065 lb/d all year
007Lead, total [as Pb]MO AVG <= 24.12 ug/L all year
007Lead, total [as Pb]DAILY MX <= 41.8 ug/L all year
007Lead, total [as Pb]MO AVG <= .08 lb/d all year
007Lead, total [as Pb]DAILY MX <= .139 lb/d all year
007Zinc, total [as Zn]MO AVG <= 400.98 ug/L all year
007Zinc, total [as Zn]DAILY MX <= 694.71 ug/L all year
007Zinc, total [as Zn]MO AVG <= 1.34 lb/d all year
007Zinc, total [as Zn]DAILY MX <= 2.32 lb/d all year
007Selenium, total [as Se]MO AVG <= 4.74 ug/L all year
007Selenium, total [as Se]DAILY MX <= 8.21 ug/L all year
007Selenium, total [as Se]MO AVG <= .01 lb/d all year
007Selenium, total [as Se]DAILY MX <= .02 lb/d all year
007Oxidants, total residualINST MAX <= .099 mg/L all year
007Oxidants, free availableMO AVG <= .2 mg/L all year
007Oxidants, free availableDAILY MX <= .5 mg/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Solids, total dissolved [TDS]MO AVG report only all year
007Solids, total dissolved [TDS]DAILY MX report only all year
TX7Whole effluent toxicity - retest #17 DA MIN report only all year
TX7Whole effluent toxicity - retest #27 DA MIN report only all year
TX7Solids, total dissolved- 180 deg. CDAILY MN report only all year
TX7Solids, total dissolved- 180 deg. CMO AVG report only all year
TX7Solids, total dissolved- 180 deg. CDAILY MX report only all year
TX7Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX7Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX7%Mortality 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX7%Mortality Static Renewal 7Day Chronic Pimephales Promelas7 DA MIN report only all year
TX7Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX7Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX7NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX7NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX7NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX7NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX7Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX7Coef 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