NPDES permit IL0001708 · Minor NON-POTW · effective, expires 2029-07-31 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31.
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 | Nitrogen, total [as N] | 30DA AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | 30DA AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | 30DA AVG | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | 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 |
| 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 | Nitrogen, total [as N] | 30DA AVG | report only | all year |
| B01 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| B01 | Nitrogen, ammonia total [as N] | 30DA AVG | report only | all year |
| B01 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| B01 | Phosphorus, total [as P] | 30DA AVG | report only | all year |
| B01 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| B01 | Iron, total [as Fe] | 30DA AVG | <= 2 mg/L | all year |
| B01 | Iron, total [as Fe] | DAILY MX | <= 4 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 |
| C01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| C01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| D01 | pH | MO MIN | >= 6 SU | all year |
| D01 | pH | MO MAX | <= 9 SU | all year |
| D01 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| D01 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| D01 | Nitrogen, total [as N] | 30DA AVG | report only | all year |
| D01 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| D01 | Nitrogen, ammonia total [as N] | 30DA AVG | report only | all year |
| D01 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| D01 | Phosphorus, total [as P] | 30DA AVG | report only | all year |
| D01 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| D01 | Iron, total [as Fe] | 30DA AVG | <= 2 mg/L | all year |
| D01 | Iron, total [as Fe] | DAILY MX | <= 4 mg/L | all year |
| D01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| D01 | 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