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Melrose Village

Sewage treatment plant, Melrose, Wisconsin. NPDES permit WI0024678 expired Mar 31, 2024; its limits still apply. Last 12 months: over a limit 9 times (last June 2026), 43 required values missing, 7 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 002 form A monthly (11 values), outfall 702 form A monthly (6 values), outfall 002 form AN yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
9 values over a limit, 14 required values missing, 14 of 25 reports late

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

Period endingParameterReportedLimitOver by
March 2026Solids, total suspended, monthly average32.8≤ 30 mg/L9%
May 2026BOD, 5-day, 20 deg. C, monthly average45≤ 30 mg/L50%
May 2026BOD, 5-day, 20 deg. C, weekly average91.5≤ 45 mg/L103%
May 2026pH, daily minimum4.9≥ 6 SU—
June 2026BOD, 5-day, 20 deg. C, monthly average42.1≤ 30 mg/L40%
June 2026BOD, 5-day, 20 deg. C, weekly average80≤ 45 mg/L78%
June 2026Solids, total suspended, monthly average48.8≤ 30 mg/L63%
June 2026Solids, total suspended, weekly average64.5≤ 45 mg/L43%
June 2026pH, daily minimum4.5≥ 6 SU—

Limits in force (19)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly average≤ 12 mg/Lall year002
Phosphorus, total [as P]annual averagereport only (lb/yr)all year002
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year002
Copper, total recoverabledaily maximumreport only (ug/L)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
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year702
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year702
Solids, total suspendedmonthly averagereport only (mg/L)all year702
Solids, total suspendeddaily maximumreport only (mg/L)all year702
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year702
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year702

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/WI0024678 · MCP: https://passage-data.com/mcp