NPDES permit IL0050458 · Minor POTW · effective, expires 2028-03-31 · 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 (the most common figure among IL permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | MO AV MN | >= 5.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | MN WK AV | >= 4 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | MN WK AV | >= 6 mg/L | Mar, Apr, May, Jun, Jul |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 3.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 5 mg/L | Mar, Apr, May, Jun, Jul |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 198 lb/d | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 296 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | 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 |
| 001 | Chlorine, total residual | DAILY MX | <= .05 mg/L | all year |
| 001 | Coliform, fecal general | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 25 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 40 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 165 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 264 lb/d | all year |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 002 | Solids, total suspended | DAILY MX | report only | all year |
| 002 | Coliform, fecal general | DAILY MX | report only | all year |
| 002 | Flow | MO TOTAL | report only | all year |
| INF | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| INF | Solids, total suspended | MO AVG | report only | all year |
| INF | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| INF | 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