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Dairyland Power Cooperative

Electric Services, Elwood, Illinois. NPDES permit IL0046779, in force until May 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (10 values), outfall 002 form 0 monthly (10 values), outfall 003 form 0 monthly (10 values), outfall 004 form 0 monthly (10 values), outfall 005 form 0 monthly (4 values), outfall A05 form 0 monthly (10 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 6 of 72 reports late

Limits in force (57)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year001
pHmonthly minimum≥ 6.5 SUall year001
pHmonthly minimum≥ 6.5 SUall year001
pHmonthly maximum≤ 9 SUall year001
pHmonthly maximum≤ 9 SUall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
pHmonthly minimum≥ 6.5 SUall year002
pHmonthly minimum≥ 6.5 SUall year002
pHmonthly maximum≤ 9 SUall year002
pHmonthly maximum≤ 9 SUall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year003
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year003
pHmonthly minimum≥ 6.5 SUall year003
pHmonthly minimum≥ 6.5 SUall year003
pHmonthly maximum≤ 9 SUall year003
pHmonthly maximum≤ 9 SUall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year004
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year004
pHmonthly minimum≥ 6.5 SUall year004
pHmonthly minimum≥ 6.5 SUall year004
pHmonthly maximum≤ 9 SUall year004
pHmonthly maximum≤ 9 SUall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
pHmonthly minimum≥ 6.5 SUall year005
pHmonthly maximum≤ 9 SUall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall yearA05
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 mg/Lall yearA05
BOD, 5-day, 20 deg. C30-day average≤ .13 lb/dall yearA05
BOD, 5-day, 20 deg. Cdaily maximum≤ .25 lb/dall yearA05
Solids, total suspended30-day average≤ 30 mg/Lall yearA05
Solids, total suspendeddaily maximum≤ 60 mg/Lall yearA05
Solids, total suspended30-day average≤ .13 lb/dall yearA05
Solids, total suspendeddaily maximum≤ .25 lb/dall yearA05
Nitrogen, ammonia total [as N]quarterly averagereport only (mg/L)Jan, Apr, Jul, OctA05
Nitrogen, ammonia total [as N]quarterly maximumreport only (mg/L)Jan, Apr, Jul, OctA05
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearA05
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearA05
Coliform, fecal generalquarterly maximumreport only (#/100mL)Jan, Apr, Jul, OctA05

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/IL0046779 · MCP: https://passage-data.com/mcp