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O'Dell's Bay Sanitary District No. 1

Sewage treatment plant, Germantown, Wisconsin. NPDES permit WI0036536 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 8 times (last June 2026), 19 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (13 values), outfall 001 form Q quarterly (1 value), outfall 701 form A monthly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
9 values over a limit, 1 required value missing, 0 of 28 reports late

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

Period endingParameterReportedLimitOver by
November 2025Phosphorus, total [as P], monthly average119.17≤ .97 lb/d12186%
December 2025Phosphorus, total [as P], monthly average117.97≤ .97 lb/d12062%
January 2026Phosphorus, total [as P], monthly average115.36≤ .97 lb/d11793%
February 2026Phosphorus, total [as P], monthly average114.28≤ .97 lb/d11681%
March 2026Phosphorus, total [as P], monthly average118.938≤ .97 lb/d12162%
April 2026Phosphorus, total [as P], monthly average120.492≤ .97 lb/d12322%
May 2026Phosphorus, total [as P], monthly average111.36≤ .97 lb/d11380%
June 2026Phosphorus, total [as P], monthly average113.64≤ .97 lb/d11615%

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Phosphorus, total [as P]monthly average≤ .97 lb/dall year001
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year001
Copper, total recoverableweekly average≤ 25 ug/Lall year001
Copper, total recoverablemonthly average≤ 25 ug/Lall year001
Copper, total recoverabledaily maximum≤ 25 ug/Lall year001
Copper, total recoverabledaily maximum≤ .073 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year701
BOD, 5-day, 20 deg. Cmonthly maximumreport only (mg/L)all year701
Solids, total suspendedmonthly averagereport only (mg/L)all year701
Solids, total suspendedmonthly maximumreport only (mg/L)all year701
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year701
Flow, in conduit or thru treatment plantmonthly 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/WI0036536 · MCP: https://passage-data.com/mcp