KOCH FERTILIZER, LLC — NPDES permit IL0070173: limits, due date and EPA's record

NPDES permit IL0070173 · Minor NON-POTW · effective, expires 2030-08-31 · EPA's file as of 2026-09-19

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

Last period with anything received: 2026-07-31. Most often over: Chloride [as Cl] (1).

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 (12)

Outfall	Parameter	Statistic	Limit	Months
002	Temperature, water deg. fahrenheit	MO MAX	<= 63 deg F	Jan, Feb, Mar, Dec
002	Temperature, water deg. fahrenheit	MO MAX	<= 93 deg F	Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
002	Sulfate [as S]	30DA AVG	report only	all year
002	Sulfate [as S]	DAILY MX	report only	all year
002	pH	MO MIN	>= 6.5 SU	all year
002	pH	MO MAX	<= 9 SU	all year
002	Solids, total suspended	30DA AVG	<= 15 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 30 mg/L	all year
002	Chloride [as Cl]	DAILY MX	<= 500 mg/L	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Chlorine, total residual	DAILY MX	<= .05 mg/L	all year