NPDES permit IL0067881 · Minor NON-POTW · effective, expires 2029-09-30 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31. Most often over: pH (1), Solids, total suspended (1).
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 |
|---|---|---|---|---|
| 002 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 10 mg/L | all year |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 20 mg/L | 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 | <= 12 mg/L | all year |
| 002 | Solids, total suspended | DAILY MX | <= 24 mg/L | all year |
| 002 | Nitrogen, total [as N] | SEMI AVG | report only | Jun, Dec |
| 002 | Nitrogen, total [as N] | SX | report only | Jun, Dec |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 2.1 mg/L | Mar, Apr, May, Sep, Oct |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.8 mg/L | Jun, Jul, Aug |
| 002 | Nitrogen, ammonia total [as N] | MO AVG | <= 3.6 mg/L | Jan, Feb, Nov, Dec |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10.9 mg/L | Mar, Apr, May, Sep, Oct |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 14.7 mg/L | Jun, Jul, Aug |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.4 mg/L | Jan, Feb, Nov, Dec |
| 002 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 4.6 mg/L | Jun, Jul, Aug |
| 002 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 5.1 mg/L | Mar, Apr, May, Sep, Oct |
| 002 | Phosphorus, total [as P] | SEMI AVG | report only | Jun, Dec |
| 002 | Phosphorus, total [as P] | SX | report only | Jun, Dec |
| 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 |
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