MPLX Terminals LLC - Marietta Terminal

NPDES permit OH0048747 · Minor NON-POTW · effective, expires 2030-02-28 · 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 44 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 (51)

OutfallParameterStatisticLimitMonths
001Flow rateMO AVG report only all year
001Flow rateDAILY MX report only all year
001Oxygen demand, chem. [low level] [COD]MO AVG report only May
001Oxygen demand, chem. [low level] [COD]DAILY MX report only May
001pHDAILY MN >= 6.5 SU May
001pHDAILY MX <= 9 SU May
001Solids, total suspendedMO AVG report only May
001Solids, total suspendedDAILY MX report only May
001Oil and grease, hexane extr methodMO AVG <= 15 mg/L May
001Oil and grease, hexane extr methodDAILY MX <= 20 mg/L May
001Oil & grease severityMO AVG report only all year
001Oil & grease severityDAILY MX report only all year
002Flow rateMO AVG report only all year
002Flow rateDAILY MX report only all year
002Oxygen demand, chem. [low level] [COD]MO AVG report only May
002Oxygen demand, chem. [low level] [COD]DAILY MX report only May
002pHDAILY MN >= 6.5 SU May
002pHDAILY MX <= 9 SU May
002Solids, total suspendedMO AVG report only May
002Solids, total suspendedDAILY MX report only May
002Oil and grease, hexane extr methodMO AVG <= 15 mg/L May
002Oil and grease, hexane extr methodDAILY MX <= 20 mg/L May
002Oil & grease severityMO AVG report only all year
002Oil & grease severityDAILY MX report only all year
003Flow rateMO AVG report only all year
003Flow rateDAILY MX report only all year
003Oxygen demand, chem. [low level] [COD]MO AVG report only May
003Oxygen demand, chem. [low level] [COD]DAILY MX report only May
003pHDAILY MN >= 6.5 SU May
003pHDAILY MX <= 9 SU May
003Solids, total suspendedMO AVG report only May
003Solids, total suspendedDAILY MX report only May
003Oil and grease, hexane extr methodMO AVG <= 15 mg/L May
003Oil and grease, hexane extr methodDAILY MX <= 20 mg/L May
003Oil & grease severityMO AVG report only all year
003Oil & grease severityDAILY MX report only all year
091Flow rateMO AVG report only all year
091Flow rateDAILY MX report only all year
091Oxygen, dissolved [DO]DAILY MN report only all year
091pHDAILY MN report only all year
091pHDAILY MX report only all year
091Solids, total suspendedMO AVG report only all year
091Solids, total suspendedDAILY MX report only all year
091Oil and grease, hexane extr methodDAILY MX report only all year
091Iron, total recoverableMO AVG report only all year
091Iron, total recoverableDAILY MX report only all year
091TolueneDAILY MX report only all year
091BenzeneDAILY MX report only all year
091EthylbenzeneDAILY MX report only all year
091Chlorine, total residualDAILY MX report only all year
091Xylene [mix of m+o+p]DAILY 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