Monarch Oil Company

NPDES permit NE0139203 · 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 5 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (12)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitDAILY MX report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 8.5 SU all year
003Oil and grease, per 1000 gallonsMO AVG report only all year
003Oil and grease, per 1000 gallonsDAILY 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
003Solids, total dissolved [TDS]MO AVG report only all year
003Solids, total dissolved [TDS]DAILY MX <= 500 mg/L all year
003Solids, total susp. per 1000 gallonsMO AVG report only all year
003Solids, total susp. per 1000 gallonsDAILY 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