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Fish Hatcheries And Preserves, Topeka, Illinois. NPDES permit IL0060895, in force until Sep 30, 2029. Last 12 months: no values over a limit, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year |
| pH | monthly minimum | ≥ 6.5 SU | all year |
| pH | monthly maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year |
| Diquat | 30-day average | report only (mg/L) | Jan, Apr, Jul, Oct |
| Diquat | daily maximum | report only (mg/L) | Jan, Apr, Jul, Oct |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year |
| Formalin | 30-day average | report only (mg/L) | Jan, Apr, Jul, Oct |
| Formalin | daily maximum | report only (mg/L) | Jan, Apr, Jul, Oct |
Cited limits by parameter: Illinois's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IL0060895 · MCP: https://passage-data.com/mcp