NPDES permit IL0077691 · Minor NON-POTW · effective, expires 2031-03-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Chlorine, total residual (3).
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).
| 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 | BOD, 5-day, 20 deg. C | QB | report only | Mar, Jun, Sep, Dec |
| 001 | pH | MO MIN | >= 6 SU | all year |
| 001 | pH | MO MAX | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 001 | Chloride [as Cl] | DAILY MX | report only | all year |
| 001 | Iron, total [as Fe] | 30DA AVG | <= 2 mg/L | all year |
| 001 | Iron, total [as Fe] | DAILY MX | <= 4 mg/L | 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 |
| 001 | Coliform, fecal general | DAILY MX | <= 400 #/100mL | 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