NPDES permit IL0066974 · Minor NON-POTW · effective, expires 2030-04-30 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31. Most often over: BOD, carbonaceous [5 day, 20 C] (4), Nitrogen, ammonia total [as N] (4), Chlorine, total residual (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 |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | MO AV MN | >= 6 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | MN WK AV | >= 4.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | MN WK AV | >= 6.25 mg/L | Mar, Apr, May, Jun, Jul |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 4 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 | <= 12 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 24 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 1.1 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 2.2 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.5 mg/L | Apr, May, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.6 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 1.1 mg/L | Jun, Jul, Aug |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 2.6 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3 mg/L | Apr, May, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 7.8 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 3 mg/L | Jun, Jul, Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= .14 lb/d | Apr, May, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= .14 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= .1 lb/d | Jun, Jul, Aug |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= .23 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= .27 lb/d | Apr, May, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= .7 lb/d | Mar |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= .27 lb/d | Jun, Jul, Aug |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= .72 lb/d | Jan, Feb, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 2.8 mg/L | Jun, Jul, Aug |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= 3.9 mg/L | Mar |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= .25 lb/d | Jun, Jul, Aug |
| 001 | Nitrogen, ammonia total [as N] | WKLY AVG | <= .35 lb/d | Mar |
| 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 | <= 10 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 20 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= .9 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 1.8 lb/d | 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