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Chili Wastewater Treatment Fac

Sewage treatment plant, Chili, Wisconsin. NPDES permit WI0030961 expired Mar 31, 2024; its limits still apply. Last 12 months: no values over a limit, 24 required values missing, 5 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (3 values), outfall 701 form A monthly (6 values), outfall 001 form AN yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 11 required values missing, 6 of 25 reports late

Limits in force (11)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Phosphorus, total [as P]annual averagereport only (lb/d)all year001
Phosphorus, total [as P]annual maximumreport only (lb/d)all year001
Copper, total recoverableweekly average≤ 10 ug/Lall year001
Copper, total recoverableweekly average≤ .018 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year701
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year701
Solids, total suspendedmonthly averagereport only (mg/L)all year701
Solids, total suspendeddaily maximumreport only (mg/L)all year701
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year701
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year701

How strict are these limits?

Cited limits by parameter: Wisconsin'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/WI0030961 · MCP: https://passage-data.com/mcp