MPLX Terminals LLC

NPDES permit OH0070661 · Minor NON-POTW · effective, expires 2028-07-31 · 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 22 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 (42)

OutfallParameterStatisticLimitMonths
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 report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001TolueneMO AVG report only Mar, Jun, Aug, Dec
001TolueneDAILY MX report only Mar, Jun, Aug, Dec
001BenzeneMO AVG report only Mar, Jun, Aug, Dec
001BenzeneDAILY MX report only Mar, Jun, Aug, Dec
001EthylbenzeneMO AVG report only Mar, Jun, Aug, Dec
001EthylbenzeneDAILY MX report only Mar, Jun, Aug, Dec
001NaphthaleneMO AVG report only Jun
001NaphthaleneDAILY MX report only Jun
001RainfallMO AVG report only all year
001RainfallDAILY 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
001Xylene [mix of m+o+p]MO AVG report only Mar, Jun, Aug, Dec
001Xylene [mix of m+o+p]DAILY MX report only Mar, Jun, Aug, Dec
003Oxygen demand, chem. [low level] [COD]MO AVG report only all year
003Oxygen demand, chem. [low level] [COD]DAILY MX report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
003TolueneMO AVG report only Mar, Jun, Aug, Dec
003TolueneDAILY MX report only Mar, Jun, Aug, Dec
003BenzeneMO AVG report only Mar, Jun, Aug, Dec
003BenzeneDAILY MX report only Mar, Jun, Aug, Dec
003EthylbenzeneMO AVG report only Mar, Jun, Aug, Dec
003EthylbenzeneDAILY MX report only Mar, Jun, Aug, Dec
003NaphthaleneMO AVG report only Jun
003NaphthaleneDAILY MX report only Jun
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
003Xylene [mix of m+o+p]MO AVG report only Mar, Jun, Aug, Dec
003Xylene [mix of m+o+p]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