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Ameren Ue

Electric Services, Pinckneyville, Illinois. NPDES permit IL0075906 expired May 31, 2007; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form 0 monthly (12 values), outfall 002 form 0 monthly (7 values), outfall 001 form S twice a year, outfall 002 form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 28 reports late

Limits in force (23)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year001
pHmonthly minimum≥ 6 SUall year001
pHmonthly maximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 30 mg/Lall year001
Phosphorus, total [as P]semi-annual maximumreport only (mg/L)all year001
Chloride [as Cl]semi-annual maximumreport only (mg/L)all year001
Sulfate, total [as SO4]daily maximum≤ 500 mg/Lall year001
Oil and grease30-day average≤ 15 mg/Lall year001
Oil and greasedaily maximum≤ 30 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .05 mg/Lall year001
Solids, total dissolved- 180 deg. Cdaily maximum≤ 1000 mg/Lall year001
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
pHmonthly minimum≥ 6 SUall year002
pHmonthly maximum≤ 9 SUall year002
Phosphorus, total [as P]semi-annual maximumreport only (mg/L)all year002
Chloride [as Cl]semi-annual maximumreport only (mg/L)all year002
Sulfate, total [as SO4]daily maximum≤ 500 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Solids, total dissolved- 180 deg. Cdaily maximum≤ 1000 mg/Lall year002

How strict are these limits?

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

Same industry: the 45 Electric Services 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/IL0075906 · MCP: https://passage-data.com/mcp