MIDWEST SALT LLC

NPDES permit IL0080298 · Minor NON-POTW · effective, expires 2030-12-31 · 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

2values over a limit
30required values missing, on 9 form(s)
12of 18 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (2).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (18)

OutfallParameterStatisticLimitMonths
001pHMO MIN >= 6.5 SU all year
001pHMO MAX <= 9 SU all year
001Chloride [as Cl]30DA AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002pHMO MIN >= 6.5 SU all year
002pHMO MAX <= 9 SU all year
002Chloride [as Cl]30DA AVG report only all year
002Chloride [as Cl]DAILY MX report only 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
003pHMO MIN >= 6.5 SU all year
003pHMO MAX <= 9 SU all year
003Chloride [as Cl]30DA AVG report only all year
003Chloride [as Cl]DAILY MX report only 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

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