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Village of Avoca

Sewage treatment plant, Avoca, Wisconsin. NPDES permit WI0060151 expired Jun 30, 2024; its limits still apply. Last 12 months: over a limit once (last January 2026), 20 required values missing, 6 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (5 values)
Last report on file
April 2026
Oct 2024 – Sep 2025
5 values over a limit, 2 required values missing, 12 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026Phosphorus, total [as P], monthly average8.3488≤ 7.3 mg/L14%

Limits in force (11)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Phosphorus, total [as P]monthly average≤ 7.3 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
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

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/WI0060151 · MCP: https://passage-data.com/mcp