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Park Forest, Village of

Sewage treatment plant, Park Forest, Illinois. NPDES permit IL0047562, in force until Sep 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form 0 monthly (10 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (10)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Coliform, fecal - % samples exceeding limitmaximum≤ 10 %all year
Chlorine, total residualdaily maximum≤ .75 mg/Lall year
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximumreport only (#/100mL)all year
Flow, totalmonthly totalreport only (Mgal/mo)all year

Cited limits by parameter: Illinois's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0047562 · MCP: https://passage-data.com/mcp