Marathon Petroleum Company LP

NPDES permit OH0005657 · Major NON-POTW · effective, expires 2030-03-31 · 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
2required values missing, on 1 form(s)
0of 108 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (118)

OutfallParameterStatisticLimitMonths
001Flow, totalMO AVG report only all year
001Flow, totalDAILY MX report only all year
001Duration of dischargeMO AVG report only all year
001Duration of dischargeDAILY MX report only all year
003Temperature, water deg. centigradeMO AVG report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Oxygen, dissolved [DO]DAILY MN report only all year
003BOD, 5-day, 20 deg. CMO AVG <= 29 mg/L all year
003BOD, 5-day, 20 deg. CDAILY MX <= 55 mg/L all year
003BOD, 5-day, 20 deg. CMO AVG <= 187 kg/d all year
003BOD, 5-day, 20 deg. CDAILY MX <= 354 kg/d all year
003Oxygen demand, chem. [low level] [COD]MO AVG <= 191 mg/L all year
003Oxygen demand, chem. [low level] [COD]DAILY MX <= 382 mg/L all year
003Oxygen demand, chem. [low level] [COD]MO AVG <= 1229 kg/d all year
003Oxygen demand, chem. [low level] [COD]DAILY MX <= 2458 kg/d all year
003Solids, total suspendedMO AVG <= 24 mg/L all year
003Solids, total suspendedDAILY MX <= 38 mg/L all year
003Solids, total suspendedMO AVG <= 154 kg/d all year
003Solids, total suspendedDAILY MX <= 245 kg/d all year
003Oil and grease, hexane extr methodMO AVG <= 9 mg/L all year
003Oil and grease, hexane extr methodDAILY MX <= 13 mg/L all year
003Oil and grease, hexane extr methodMO AVG <= 58 kg/d all year
003Oil and grease, hexane extr methodDAILY MX <= 84 kg/d all year
003Nitrogen, ammonia total [as N]MO AVG <= 3.6 mg/L May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]DAILY MX <= 25.2 mg/L May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]DAILY MX <= 26.4 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]MO AVG <= 23 kg/d May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]DAILY MX <= 162 kg/d May, Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]DAILY MX <= 170 kg/d Jan, Feb, Mar, Apr, Nov, Dec
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Sulfide, total [as S]MO AVG <= .13 mg/L all year
003Sulfide, total [as S]DAILY MX <= .29 mg/L all year
003Sulfide, total [as S]MO AVG <= .8 kg/d all year
003Sulfide, total [as S]DAILY MX <= 1.9 kg/d all year
003Chloride [as Cl]MO AVG report only Mar, Jun, Sep, Dec
003Chloride [as Cl]DAILY MX report only Mar, Jun, Sep, Dec
003Fluoride, total [as F]MO AVG report only Mar, Jun, Sep, Dec
003Fluoride, total [as F]DAILY MX report only Mar, Jun, Sep, Dec
003Selenium, total recoverableMO AVG report only Mar, Jun, Sep, Dec
003Selenium, total recoverableDAILY MX report only Mar, Jun, Sep, Dec
003Chromium, total recoverableMO AVG <= 77 ug/L all year
003Chromium, total recoverableDAILY MX <= 650 ug/L all year
003Chromium, total recoverableMO AVG <= .5 kg/d all year
003Chromium, total recoverableDAILY MX <= 4.2 kg/d all year
003Chromium, hexavalent dissolved [as Cr]MO AVG <= 9 ug/L all year
003Chromium, hexavalent dissolved [as Cr]DAILY MX <= 11 ug/L all year
003Chromium, hexavalent dissolved [as Cr]MO AVG <= .06 kg/d all year
003Chromium, hexavalent dissolved [as Cr]DAILY MX <= .07 kg/d all year
003Phenolics, total recoverableMO AVG <= 108 ug/L all year
003Phenolics, total recoverableDAILY MX <= 216 ug/L all year
003Phenolics, total recoverableMO AVG <= .7 kg/d all year
003Phenolics, total recoverableDAILY MX <= 1.4 kg/d all year
003RainfallMO AVG report only all year
003RainfallDAILY MX report only 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
003Mercury, total low levelMO AVG report only Mar, Jun, Sep, Dec
003Mercury, total low levelDAILY MX report only Mar, Jun, Sep, Dec
003pH Range Excursion, Maximum DurationDAILY MX report only all year
003Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Jun, Dec
003Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Jun, Dec
003Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only Jun, Dec
003Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only Jun, Dec
003Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Jun, Dec
003Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Jun, Dec
003Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only Jun, Dec
003Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only Jun, Dec
003pH, maximumDAILY MX report only all year
003pH, minimumDAILY MN report only all year
003Solids, total dissolved- 180 deg. CMO AVG report only all year
003Solids, total dissolved- 180 deg. CDAILY MX report only all year
003pH range excursions, > 60 minutesDAILY MX report only all year
003pH range excursions, monthly total accumDAILY MX <= 446 min all year
005Flow rateMO AVG report only all year
005Flow rateDAILY MX report only all year
005Oxygen, dissolved [DO]DAILY MN report only all year
005pHDAILY MN report only all year
005pHDAILY MX report only all year
005Solids, total suspendedMO AVG report only all year
005Solids, total suspendedDAILY MX report only all year
005Oil and grease, hexane extr methodDAILY MX report only all year
005Iron, total recoverableMO AVG report only all year
005Iron, total recoverableDAILY MX report only all year
005TolueneDAILY MX report only all year
005BenzeneDAILY MX report only all year
005EthylbenzeneDAILY MX report only all year
005Chlorine, total residualDAILY MX report only all year
005Xylene [mix of m+o+p]DAILY MX report only all year
006Flow rateMO AVG report only all year
006Flow rateDAILY MX report only all year
006Oxygen, dissolved [DO]DAILY MN report only all year
006pHDAILY MN report only all year
006pHDAILY MX report only all year
006Solids, total suspendedMO AVG report only all year
006Solids, total suspendedDAILY MX report only all year
006Oil and grease, hexane extr methodDAILY MX report only all year
006Iron, total recoverableMO AVG report only all year
006Iron, total recoverableDAILY MX report only all year
006TolueneDAILY MX report only all year
006BenzeneDAILY MX report only all year
006EthylbenzeneDAILY MX report only all year
006Chlorine, total residualDAILY MX report only all year
006Xylene [mix of m+o+p]DAILY MX report only 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
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
010pHDAILY MN report only all year
010pHDAILY MX report only all year
010Solids, total suspendedMO AVG report only all year
010Solids, total suspendedDAILY MX report only all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, 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