NPDES permit IL0000400 · 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: 2026-06-30.
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 |
|---|---|---|---|---|
| 002 | BOD, 5-day, 20 deg. C | SEMI AVG | report only | Mar, Sep |
| 002 | BOD, 5-day, 20 deg. C | SX | report only | Mar, Sep |
| 002 | pH | MO MIN | >= 6.5 SU | Mar, Jun, Sep, Dec |
| 002 | pH | MO MAX | <= 9 SU | Mar, Jun, Sep, Dec |
| 002 | Solids, total suspended | SEMI AVG | report only | Mar, Sep |
| 002 | Solids, total suspended | SX | report only | Mar, Sep |
| 002 | Oil & Grease | SEMI AVG | report only | Mar, Sep |
| 002 | Oil & Grease | SX | report only | Mar, Sep |
| 002 | Zinc, total [as Zn] | DAILY MX | <= .1416 mg/L | Mar, Jun, Sep, Dec |
| 002 | Priority Pollutants | ANNL AVG | report only | Sep |
| 002 | Priority Pollutants | ANNL MAX | report only | Sep |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | Mar, Jun, Sep, Dec |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 002 | Chemical Oxygen Demand [COD] | SEMI AVG | report only | Mar, Sep |
| 002 | Chemical Oxygen Demand [COD] | SX | report only | Mar, Sep |
| 003 | BOD, 5-day, 20 deg. C | SEMI AVG | report only | Mar, Sep |
| 003 | BOD, 5-day, 20 deg. C | SX | report only | Mar, Sep |
| 003 | pH | MO MIN | >= 6.5 SU | Mar, Jun, Sep, Dec |
| 003 | pH | MO MAX | <= 9 SU | Mar, Jun, Sep, Dec |
| 003 | Solids, total suspended | SEMI AVG | report only | Mar, Sep |
| 003 | Solids, total suspended | SX | report only | Mar, Sep |
| 003 | Oil & Grease | SEMI AVG | report only | Mar, Sep |
| 003 | Oil & Grease | SX | report only | Mar, Sep |
| 003 | Priority Pollutants | ANNL AVG | report only | Sep |
| 003 | Priority Pollutants | ANNL MAX | report only | Sep |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | Mar, Jun, Sep, Dec |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 003 | Chemical Oxygen Demand [COD] | SEMI AVG | report only | Mar, Sep |
| 003 | Chemical Oxygen Demand [COD] | SX | report only | Mar, Sep |
| 005 | BOD, 5-day, 20 deg. C | SEMI AVG | report only | Mar, Sep |
| 005 | BOD, 5-day, 20 deg. C | SX | report only | Mar, Sep |
| 005 | pH | MO MIN | >= 6.5 SU | Mar, Jun, Sep, Dec |
| 005 | pH | MO MAX | <= 9 SU | Mar, Jun, Sep, Dec |
| 005 | Solids, total suspended | SEMI AVG | report only | Mar, Sep |
| 005 | Solids, total suspended | SX | report only | Mar, Sep |
| 005 | Oil & Grease | SEMI AVG | report only | Mar, Sep |
| 005 | Oil & Grease | SX | report only | Mar, Sep |
| 005 | Priority Pollutants | ANNL AVG | report only | Sep |
| 005 | Priority Pollutants | ANNL MAX | report only | Sep |
| 005 | Flow, in conduit or thru treatment plant | MO AVG | report only | Mar, Jun, Sep, Dec |
| 005 | Flow, in conduit or thru treatment plant | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 005 | Chemical Oxygen Demand [COD] | SEMI AVG | report only | Mar, Sep |
| 005 | Chemical Oxygen Demand [COD] | SX | report only | Mar, Sep |
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