Piketon Depleted Uranium Hexafluoride (DUF6) Conv

NPDES permit OH0135241 · Minor NON-POTW · effective, expires 2029-10-31 · 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

5values over a limit
0required values missing, on 0 form(s)
0of 39 forms filed late

Last period with anything received: 2026-07-31. Most often over: Mercury, total low level (2), Solids, total suspended (2), E. coli, MTEC-MF (1).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (86)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG <= 64 deg F Apr
001Temperature, water deg. fahrenheitMO AVG <= 54 deg F Mar
001Temperature, water deg. fahrenheitMO AVG <= 52 deg F Dec
001Temperature, water deg. fahrenheitMO AVG <= 67 deg F Nov
001Temperature, water deg. fahrenheitMO AVG <= 77 deg F Oct
001Temperature, water deg. fahrenheitMO AVG <= 45 deg F Jan, Feb
001Temperature, water deg. fahrenheitMO AVG <= 84 deg F Sep
001Temperature, water deg. fahrenheitMO AVG <= 84 deg F Aug
001Temperature, water deg. fahrenheitMO AVG <= 84 deg F Jul
001Temperature, water deg. fahrenheitMO AVG <= 83 deg F Jun
001Temperature, water deg. fahrenheitMO AVG <= 75 deg F May
001Temperature, water deg. fahrenheitDAILY MX <= 69 deg F Apr
001Temperature, water deg. fahrenheitDAILY MX <= 59 deg F Mar
001Temperature, water deg. fahrenheitDAILY MX <= 57 deg F Dec
001Temperature, water deg. fahrenheitDAILY MX <= 72 deg F Nov
001Temperature, water deg. fahrenheitDAILY MX <= 82 deg F Oct
001Temperature, water deg. fahrenheitDAILY MX <= 50 deg F Jan, Feb
001Temperature, water deg. fahrenheitDAILY MX <= 87 deg F Sep
001Temperature, water deg. fahrenheitDAILY MX <= 89 deg F Aug
001Temperature, water deg. fahrenheitDAILY MX <= 89 deg F Jul
001Temperature, water deg. fahrenheitDAILY MX <= 87 deg F Jun
001Temperature, water deg. fahrenheitDAILY MX <= 80 deg F May
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only 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
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Solids, total dissolved- 180 deg. CDAILY MX <= 1500 mg/L all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 12 mg/L all year
003Solids, total suspendedDAILY MX <= 18 mg/L all year
003Solids, total suspendedMO AVG <= 17.8 kg/d all year
003Solids, total suspendedDAILY MX <= 26.6 kg/d all year
003Oil and grease, hexane extr methodMO AVG report only Feb, May, Jul, Nov
003Oil and grease, hexane extr methodDAILY MX report only Feb, May, Jul, Nov
003Nitrogen, ammonia total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]MO AVG report only Feb, May, Jul, Nov
003Nitrite + Nitrate total [as N]DAILY MX report only Feb, May, Jul, Nov
003E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
003E. coli, MTEC-MFDAILY MX <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Mercury, total low levelMO AVG <= 12 ng/L all year
003Mercury, total low levelDAILY MX <= 1700 ng/L all year
003Mercury, total low levelMO AVG <= .000018 kg/d all year
003Mercury, total low levelDAILY MX <= .0025 kg/d all year
003Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Jul
003Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Jul
003Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Jul
003Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Jul
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 14.8 kg/d all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 22.2 kg/d all year
005pHDAILY MN >= 6.5 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 10 mg/L all year
005Solids, total suspendedDAILY MX <= 15 mg/L all year
005Selenium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
005Selenium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
005Silver total recoverableMO AVG report only Mar, Jun, Aug, Dec
005Silver total recoverableDAILY MX report only Mar, Jun, Aug, Dec
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
005Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
602Flow rateMO AVG report only all year
602Flow rateDAILY MX report only all year
602pHDAILY MN report only all year
602pHDAILY MX report only all year
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Jul
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Jul
801%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only Jul
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only Jul

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