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Jackson (Village) Wastewater T

Sewage treatment plant, major discharger, Jackson, Wisconsin. NPDES permit WI0021806 expired Sep 30, 2022; its limits still apply. Last 12 months: over a limit once (last December 2025), 80 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (20 values), outfall 001 form Q quarterly (2 values), outfall 701 form A monthly (6 values), outfall 701 form Q quarterly (2 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
8 values over a limit, 42 required values missing, 12 of 32 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, weekly average12.175≤ 12 mg/L1%

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 12 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 17 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 12 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 17 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)May–Oct001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 12 mg/Lall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 5 mg/LJun–Sep001
Nitrogen, ammonia total [as N]weekly average≤ 8.5 mg/LApr001
Nitrogen, ammonia total [as N]weekly average≤ 14 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 7.4 mg/LMay001
Nitrogen, ammonia total [as N]weekly average≤ 8.4 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 mg/LJun–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 5.7 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LJun–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 14 mg/LOct001
Phosphorus, total [as P]monthly average≤ .85 mg/Lall year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Copper, total recoverablequarterly 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
Chlorine, total residualweekly average≤ 7.7 ug/LMay–Sep001
Chlorine, total residualmonthly average≤ 7.7 ug/LMay–Sep001
Chlorine, total residualmonthly averagereport only (ug/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
Chlorine, total residualdaily maximum≤ 38 ug/LMay–Sep001
Chlorine, total residualdaily maximumreport only (ug/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
Mercury, total recoverablequarterly maximumreport only (ng/L)all year001
Coliform, fecal generalweekly geometric mean≤ 780 #/100mLMay–Sep001
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
Copper, total recoverablequarterly 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/WI0021806 · MCP: https://passage-data.com/mcp