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Fox West Regional Sewerage Commission

Sewage treatment plant, major discharger, Neenah, City Of, Wisconsin. NPDES permit WI0024686 expired Jun 30, 2022; its limits still apply. Last 12 months: no values over a limit, 84 required values missing, 16 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (25 values), outfall 001 form Q quarterly (1 value), outfall 701 form A monthly (14 values), outfall 701 form Q quarterly (1 value)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 5 required values missing, 18 of 32 reports late

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
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
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 2382 lb/dall year001
Solids, total suspendedweekly average≤ 4355 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 28 mg/LJan–Mar001
Nitrogen, ammonia total [as N]weekly average≤ 29 mg/LApr, May001
Nitrogen, ammonia total [as N]weekly average≤ 11 mg/LJun–Sep001
Nitrogen, ammonia total [as N]weekly average≤ 29 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 11 mg/LApr, May001
Nitrogen, ammonia total [as N]monthly average≤ 4.4 mg/LJun–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 18 mg/LOct–Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 29 mg/LJan–Mar001
Nitrogen, ammonia total [as N]daily maximum≤ 29 mg/LApr, May001
Nitrogen, ammonia total [as N]daily maximum≤ 29 mg/LJun–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 29 mg/LOct–Dec001
Phosphorus, total [as P]monthly average≤ .7 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
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
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total recoverabledaily maximum≤ 4.8 ng/Lall year001
Coliform, fecal generalweekly geometric mean≤ 780 #/100mLMay–Sep001
Coliform, fecal generalgeometric mean≤ 400 #/100mLMay–Sep001
BOD, carbonaceous [5 day, 5 C]weekly average≤ 40 mg/LMay–Oct001
BOD, carbonaceous [5 day, 5 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 5 C]monthly average≤ 25 mg/LMay–Oct001
BOD, carbonaceous [5 day, 5 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
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
Phosphorus, total [as P]monthly averagereport only (mg/L)all year701
Phosphorus, total [as P]daily 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 recoverablequarterly 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/WI0024686 · MCP: https://passage-data.com/mcp