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Packwaukee Sanitary District 1 WWTF

Sewage treatment plant, Packwaukee, Town Of, Wisconsin. NPDES permit WI0060933 expired Sep 30, 2022; its limits still apply. Last 12 months: over a limit once (last June 2026), 37 required values missing, 14 of 25 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 002 form A monthly (12 values), outfall 002 form Q quarterly (1 value), outfall 701 form A monthly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 22 of 28 reports late

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

Period endingParameterReportedLimitOver by
June 2026BOD, 5-day, 20 deg. C, monthly average24.8≤ 20 mg/L24%

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year002
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedweekly average≤ 30 mg/Lall year002
Solids, total suspendedmonthly average≤ 20 mg/Lall year002
Nitrogen, ammonia total [as N]weekly average≤ 19 mg/LOct002
Nitrogen, ammonia total [as N]weekly average≤ 19 mg/LJan, Feb, Mar, Nov, Dec002
Nitrogen, ammonia total [as N]weekly average≤ 19 mg/LApr, May002
Nitrogen, ammonia total [as N]weekly average≤ 14 mg/LJun–Sep002
Nitrogen, ammonia total [as N]monthly average≤ 14 mg/LOct002
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LJan, Feb, Mar, Nov, Dec002
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LApr, May002
Nitrogen, ammonia total [as N]monthly average≤ 5.4 mg/LJun–Sep002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Oct002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Nov, Dec002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr, May002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun–Sep002
Copper, total recoverablequarterly 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 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/WI0060933 · MCP: https://passage-data.com/mcp