Poet Biorefining - Marion

NPDES permit OH0138860 · Minor NON-POTW · effective, expires 2028-03-31 · 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 47 forms filed late

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

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 (73)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG <= 94 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 98 deg F all year
001Oxygen demand, chem. [low level] [COD]MO AVG report only all year
001Oxygen demand, chem. [low level] [COD]DAILY 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
001Solids, total suspendedMO AVG <= 26.8 kg/d all year
001Solids, total suspendedDAILY MX <= 40.2 kg/d all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L all year
001Arsenic, total recoverableMO AVG report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableDAILY MX report only all year
001Strontium, total recoverable, ug/LMO AVG report only all year
001Strontium, total recoverable, ug/LDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Oxidants, total residualDAILY MX <= .01 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
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CMO AVG report only Mar, Jun, Aug, Dec
002BOD, 5-day, 20 deg. CDAILY MX report only Mar, Jun, Aug, Dec
002Oxygen demand, chem. [low level] [COD]MO AVG report only Mar, Jun, Aug, Dec
002Oxygen demand, chem. [low level] [COD]DAILY MX report only Mar, Jun, Aug, Dec
002pHDAILY MN >= 6.5 SU Mar, Jun, Aug, Dec
002pHDAILY MX <= 9 SU Mar, Jun, Aug, Dec
002Solids, total suspendedMO AVG <= 30 mg/L Mar, Jun, Aug, Dec
002Solids, total suspendedDAILY MX <= 45 mg/L Mar, Jun, Aug, Dec
002Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L Mar, Jun, Aug, Dec
002Nitrogen, ammonia total [as N]MO AVG report only Mar, Jun, Aug, Dec
002Nitrogen, ammonia total [as N]DAILY MX report only Mar, Jun, Aug, Dec
002RainfallMO AVG report only all year
002RainfallDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Aug, Dec
002Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Aug, Dec
002Solids, total dissolved- 180 deg. CMO AVG report only Mar, Jun, Aug, Dec
002Solids, total dissolved- 180 deg. CDAILY MX report only Mar, Jun, Aug, Dec
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 45 mg/L all year
003Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004BOD, 5-day, 20 deg. CMO AVG report only Mar, Jun, Aug, Dec
004BOD, 5-day, 20 deg. CDAILY MX report only Mar, Jun, Aug, Dec
004Oxygen demand, chem. [low level] [COD]MO AVG report only Mar, Jun, Aug, Dec
004Oxygen demand, chem. [low level] [COD]DAILY MX report only Mar, Jun, Aug, Dec
004pHDAILY MN >= 6.5 SU Mar, Jun, Aug, Dec
004pHDAILY MX <= 9 SU Mar, Jun, Aug, Dec
004Solids, total suspendedMO AVG <= 30 mg/L Mar, Jun, Aug, Dec
004Solids, total suspendedDAILY MX <= 45 mg/L Mar, Jun, Aug, Dec
004Oil and grease [soxhlet extr.] tot.DAILY MX <= 10 mg/L Mar, Jun, Aug, Dec
004Nitrogen, ammonia total [as N]MO AVG report only Mar, Jun, Aug, Dec
004Nitrogen, ammonia total [as N]DAILY MX report only Mar, Jun, Aug, Dec
004RainfallMO AVG report only all year
004RainfallDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Aug, Dec
004Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Aug, Dec
004Solids, total dissolved- 180 deg. CMO AVG report only Mar, Jun, Aug, Dec
004Solids, total dissolved- 180 deg. CDAILY MX report only Mar, Jun, Aug, Dec
901Temperature, water deg. centigradeMO AVG report only Mar, Jun, Aug, Dec
901Temperature, water deg. centigradeDAILY MX report only Mar, Jun, Aug, Dec
901pHDAILY MN report only Mar, Jun, Aug, Dec
901pHDAILY MX report only Mar, Jun, Aug, Dec
901Hardness, total [as CaCO3]MO AVG report only Mar, Jun, Aug, Dec
901Hardness, total [as CaCO3]DAILY MX report only Mar, Jun, Aug, Dec

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