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NPDES permit IL0041009 · Minor NON-POTW · effective, expires 2027-08-31 · EPA's file as of 2026-09-19

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

1values over a limit

0required values missing, on 0 form(s)

1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Temperature, water deg. fahrenheit (1).

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

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. fahrenheit	MO MAX	<= 63 deg F	Jan, Feb, Mar, Dec
001	Temperature, water deg. fahrenheit	MO MAX	<= 93 deg F	Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001	pH	MO MIN	>= 6 SU	all year
001	pH	MO MAX	<= 9 SU	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	<= .05 mg/L	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