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Clover Sanitary District

Sewage treatment plant, Herbster, Wisconsin. NPDES permit WI0032069 expired Jun 30, 2023; its limits still apply. Last 12 months: over a limit 3 times (last April 2026), 14 required values missing, 12 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (13 values), outfall 701 form A monthly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 17 required values missing, 18 of 18 reports late

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

Period endingParameterReportedLimitOver by
November 2025Flow, in conduit or thru treatment plant, daily maximum.119≤ .117 MGD2%
April 2026Flow, in conduit or thru treatment plant, daily maximum.1253≤ .117 MGD7%
April 2026Phosphorus, total [as P], monthly average4.28≤ 3.9 mg/L10%

Limits in force (19)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LMar, Apr, May, Sep, Oct, Nov001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LMar, Apr, May, Sep, Oct, Nov001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Mar, Apr, May, Sep, Oct, Nov001
pHdaily minimum≥ 6 SUMar, Apr, May, Sep, Oct, Nov001
pHdaily maximum≤ 9 SUMar, Apr, May, Sep, Oct, Nov001
Solids, total suspendedweekly average≤ 45 mg/LMar, Apr, May, Sep, Oct, Nov001
Solids, total suspendedmonthly average≤ 30 mg/LMar, Apr, May, Sep, Oct, Nov001
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Apr, May, Sep, Oct, Nov001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Apr, May, Sep, Oct, Nov001
Phosphorus, total [as P]monthly average≤ 3.9 mg/LMar, Apr, May, Sep, Oct, Nov001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Apr, May, Sep, Oct, Nov001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Apr, May, Sep, Oct, Nov001
Flow, in conduit or thru treatment plantdaily maximum≤ .117 MGDMar, Apr, May, Sep, Oct, Nov001
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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0032069 · MCP: https://passage-data.com/mcp