Passage Data · Check a report · Use it from your AI

Western Racine Co Sewerage Dist

Sewage treatment plant, major discharger, Rochester, Wisconsin. NPDES permit WI0028754 expired Dec 31, 2020; its limits still apply. Last 12 months: over a limit 5 times (last June 2026), 86 required values missing, 4 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (15 values), outfall 001 form Q quarterly (4 values), outfall 701 form A monthly (9 values), outfall 701 form Q quarterly (1 value)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 53 required values missing, 2 of 32 reports late

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

Period endingParameterReportedLimitOver by
February 2026Phosphorus, total [as P], monthly average1.4533≤ 1 mg/L45%
March 2026Phosphorus, total [as P], monthly average1.9423≤ 1 mg/L94%
April 2026Phosphorus, total [as P], monthly average1.6236≤ 1 mg/L62%
May 2026Phosphorus, total [as P], monthly average2.6567≤ 1 mg/L166%
June 2026Phosphorus, total [as P], monthly average3.0477≤ 1 mg/L205%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
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
Nitrogen, total [as N]quarterly maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 18 mg/LNov001
Nitrogen, ammonia total [as N]monthly average≤ 16 mg/LJul, Aug001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)May, Jun, Sep001
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/LJan001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar001
Nitrogen, ammonia total [as N]monthly average≤ 16 mg/LFeb, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LNov001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jul, Aug001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)May, Jun, Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LFeb, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LApr001
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)all year001
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
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≤ 2.6 ng/Lall year001
Mercury, total recoverabledaily maximum≤ 2.6 ng/Lall 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
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year701
Nitrogen, ammonia total [as N]daily 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
Mercury, total recoverabledaily maximumreport only (ng/L)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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0028754 · MCP: https://passage-data.com/mcp