3M Technical Ceramics

NPDES permit OK0040142 · Minor NON-POTW · effective, expires 2030-01-31 · 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

10values over a limit
0required values missing, on 0 form(s)
5of 42 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oxidants, total residual (8), pH (1), Solids, total suspended (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (35)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 100 mg/L all year
005Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
005Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
010Temperature, water deg. centigradeMO AVG <= 45 deg C all year
010Temperature, water deg. centigradeDAILY MX <= 52 deg C all year
010pHMINIMUM >= 6.5 SU all year
010pHMAXIMUM <= 9 SU all year
010Cadmium, total [as Cd]MO AVG report only all year
010Cadmium, total [as Cd]DAILY MX report only all year
010Oxidants, total residualINST MAX <= .099 mg/L all year
010PCB-1016MO AVG report only all year
010PCB-1016DAILY MX report only all year
010PCB-1221MO AVG report only all year
010PCB-1221DAILY MX report only all year
010PCB-1232MO AVG report only all year
010PCB-1232DAILY MX report only all year
010PCB-1242MO AVG report only all year
010PCB-1242DAILY MX report only all year
010PCB-1248MO AVG report only all year
010PCB-1248DAILY MX report only all year
010PCB-1254MO AVG report only all year
010PCB-1254DAILY MX report only all year
010PCB-1260MO AVG report only all year
010PCB-1260DAILY 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

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