COMPASS MINERALS AMERICA

NPDES permit KS0000264 · Minor NON-POTW · effective, expires 2029-01-31 · 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

7values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chloride (7).

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 (19)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Phosphorus, total [as P]DAILY MX report only Feb, Jul
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX <= 400 mg/L all year
001Chloride [as Cl]MO AVG report only all year
001Selenium, total recoverableDAILY MX report only Feb, Jul
001Flow, in conduit or thru treatment plantMO AVG report only all year
003Chloride [as Cl]MO AVG report only all year
003Chloride [as Cl]DAILY MX <= 900 mg/L all year
003Chloride [as Cl]MO AVG report only all year
003Selenium, total [as Se]MO AVG report only Feb, Jul
003Flow, in conduit or thru treatment plantMO AVG report only all year
005Chloride [as Cl]DAILY MX <= 887 mg/L all year
005Chloride [as Cl]MO AVG report only all year
005ChlorideDAILY AV report only all year
005ChlorideDG <= 1179 lb/d all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
007Chloride [as Cl]MO 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