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Wet Corn Milling, Decatur, Illinois. NPDES permit IL0061425, in force until Jul 31, 2027. Last 12 months: no values over a limit, 9 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 005 |
| pH | monthly minimum | ≥ 6.5 SU | all year | 005 |
| pH | monthly maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 005 |
| Oil & Grease | 30-day average | ≤ 15 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.2 mg/L | Mar, Apr, May, Sep, Oct | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Jun–Aug | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.7 mg/L | Jan, Feb, Nov, Dec | 005 |
| Iron, total [as Fe] | 30-day average | ≤ 2 mg/L | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 006 |
| pH | monthly minimum | ≥ 6.5 SU | all year | 006 |
| pH | monthly maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 006 |
| Oil & Grease | 30-day average | ≤ 15 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.2 mg/L | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Jun–Aug | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.7 mg/L | Jan, Feb, Nov, Dec | 006 |
| Iron, total [as Fe] | 30-day average | ≤ 2 mg/L | all year | 006 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 009 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 009 |
| pH | monthly minimum | ≥ 6.5 SU | all year | 009 |
| pH | monthly maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 009 |
| Oil & Grease | 30-day average | ≤ 15 mg/L | all year | 009 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.2 mg/L | Mar, Apr, May, Sep, Oct | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Jun–Aug | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.7 mg/L | Jan, Feb, Nov, Dec | 009 |
| Iron, total [as Fe] | 30-day average | ≤ 2 mg/L | all year | 009 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
Cited limits by parameter: Illinois's rules and the federal ones.
Same industry: the 36 Food and Kindred Products permits in Illinois.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IL0061425 · MCP: https://passage-data.com/mcp