CONMAT INC

NPDES permit IL0071561 · Minor NON-POTW · administratively continued, expires 2026-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-04-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 24 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among IL permits in EPA's filings — check your permit).

Limits in force (16)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Iron, total [as Fe]30DA AVG <= 3.5 mg/L all year
001Iron, total [as Fe]DAILY MX <= 7 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Offensive ConditionsMAXIMUM report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Iron, total [as Fe]30DA AVG <= 3.5 mg/L all year
002Iron, total [as Fe]DAILY MX <= 7 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Offensive ConditionsMAXIMUM 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