NPDES permit IL0074438 · Minor NON-POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31.
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 | <= 71 deg F | Apr |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 60 deg F | Mar |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 48 deg F | Jan, Feb |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 81 deg F | May |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 88 deg F | Jun, Sep |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 89 deg F | Jul, Aug |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 68 deg F | Nov |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 55 deg F | Dec |
| 001 | Temperature, water deg. fahrenheit | MO MAX | <= 78 deg F | Oct |
| 001 | pH | MO MIN | >= 6 SU | all year |
| 001 | pH | MO MAX | <= 9 SU | all year |
| 001 | Copper, total [as Cu] | 30DA AVG | <= .017 mg/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .027 mg/L | all year |
| 001 | Temperature, length of excursion | TOTAL | <= 87.6 hr | 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 |
| A01 | pH | MO MIN | >= 6 SU | all year |
| A01 | pH | MO MAX | <= 9 SU | all year |
| A01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| A01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| B01 | pH | MO MIN | >= 6 SU | all year |
| B01 | pH | MO MAX | <= 9 SU | all year |
| B01 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| B01 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| B01 | Oil and grease | 30DA AVG | <= 15 mg/L | all year |
| B01 | Oil and grease | DAILY MX | <= 30 mg/L | all year |
| B01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| B01 | Flow, in conduit or thru treatment plant | DAILY MX | 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