3M Company

NPDES permit MO0111082 · Minor NON-POTW · effective, expires 2031-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 16 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (32)

OutfallParameterStatisticLimitMonths
003Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX report only all year
003Solids, settleableDAILY MX report only all year
003Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Storm water flowDAILY MX report only all year
004Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MX report only all year
004Solids, settleableDAILY MX report only all year
004Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Storm water flowDAILY MX report only all year
005Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY MX report only all year
005Solids, settleableDAILY MX report only all year
005Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
005Nitrogen, ammonia total [as N]DAILY MX report only all year
005Storm water flowDAILY MX report only all year
006Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY MX report only all year
006Solids, settleableDAILY MX report only all year
006Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
006Nitrogen, ammonia total [as N]DAILY MX report only all year
006Storm water flowDAILY 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