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City of West Bend

Sewage treatment plant, major discharger, West Bend, Wisconsin. NPDES permit WI0025763 expired Jun 30, 2021; its limits still apply. Last 12 months: no values over a limit, 116 required values missing, 16 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (28 values), outfall 701 form A monthly (13 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 43 required values missing, 22 of 24 reports late

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 10 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 10 mg/Lall year001
Solids, total suspendedmonthly average≤ 10 mg/Lall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]weekly average≤ 11 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LApr, May001
Nitrogen, ammonia total [as N]weekly average≤ 3.6 mg/LJun–Sep001
Nitrogen, ammonia total [as N]weekly average≤ 6.9 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.1 mg/LApr, May001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJun–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LApr, May001
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LJun–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LOct001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Chloride [as Cl]weekly average≤ 610 mg/Lall year001
Chloride [as Cl]monthly averagereport only (lb/d)all year001
Chloride [as Cl]daily maximumreport only (lb/d)all year001
Nickel, total recoverabledaily maximumreport only (ug/L)all year001
Zinc, total recoverabledaily maximumreport only (ug/L)all year001
Cadmium, total recoverabledaily maximumreport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, total recoverabledaily maximumreport only (ug/L)all year001
Copper, total recoverabledaily maximumreport only (ug/L)all year001
Chlorine, total residualweekly average≤ 8 ug/Lall year001
Chlorine, total residualdaily maximum≤ 38 ug/Lall year001
Mercury, total recoverabledaily maximumreport only (ng/L)all year001
Coliform, fecal generalgeometric mean≤ 400 #/100mLMay–Sep001
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
Nickel, total recoverabledaily maximumreport only (ug/L)all year701
Zinc, total recoverabledaily maximumreport only (ug/L)all year701
Cadmium, total recoverabledaily maximumreport only (ug/L)all year701
Lead, total recoverabledaily maximumreport only (ug/L)all year701
Chromium, total recoverabledaily maximumreport only (ug/L)all year701
Copper, total recoverabledaily maximumreport only (ug/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
Mercury, total recoverabledaily maximumreport only (ng/L)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/WI0025763 · MCP: https://passage-data.com/mcp