Environmental Operations Inc

NPDES permit MO0123021 · Minor NON-POTW · effective, expires 2028-10-31 · 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
16required values missing, on 2 form(s)
12of 22 forms filed late

Last period with anything received: 2026-07-31.

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 (16)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001TetrachloroethyleneDAILY MX report only all year
001TetrachloroethyleneMO AVG <= 80 ug/L all year
001TetrachloroethyleneDAILY MX <= 2 % all year
001TetrachloroethyleneMO AVG <= 2 % all year
001TrichloroethyleneDAILY MX report only all year
001TrichloroethyleneMO AVG <= 8.85 ug/L all year
001TrichloroethyleneDAILY MX <= 2 % all year
001TrichloroethyleneMO AVG <= 2 % all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
INFTetrachloroethyleneDAILY MX report only all year
INFTetrachloroethyleneMO AVG report only all year
INFTrichloroethyleneDAILY MX report only all year
INFTrichloroethyleneMO AVG 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