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City of Phillips

Sewage treatment plant, Phillips, Wisconsin. NPDES permit WI0021539 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit once (last May 2026), 40 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 102 form A monthly (12 values), outfall 701 form A monthly (6 values), outfall 102 form AN yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 10 required values missing, 0 of 25 reports late

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

Period endingParameterReportedLimitOver by
May 2026Phosphorus, total [as P], monthly average.7617≤ .63 mg/L21%

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year102
pHdaily maximum≤ 9 SUall year102
Solids, total suspendedweekly average≤ 45 mg/Lall year102
Solids, total suspendedmonthly average≤ 30 mg/Lall year102
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year102
Phosphorus, total [as P]monthly average≤ .63 mg/Lall year102
Phosphorus, total [as P]monthly averagereport only (lb/mo)all year102
Phosphorus, total [as P]annual averagereport only (lb/yr)all year102
Phosphorus, total [as P]daily maximumreport only (lb/mo)all year102
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year102
Coliform, fecal generalweekly geometric mean≤ 656 #/100mLMay–Sep102
Coliform, fecal generalgeometric mean≤ 400 #/100mLMay–Sep102
BOD, carbonaceous [5 day, 5 C]weekly average≤ 40 mg/Lall year102
BOD, carbonaceous [5 day, 5 C]monthly average≤ 25 mg/Lall year102
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/WI0021539 · MCP: https://passage-data.com/mcp