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Two Rivers City of

Sewage treatment plant, major discharger, Two Rivers, Wisconsin. NPDES permit WI0026590 expired Dec 31, 2022; its limits still apply. Last 12 months: no values over a limit, 62 required values missing. 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 (1 value), outfall 701 form A monthly (6 values), outfall 701 form Q quarterly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 26 required values missing, 6 of 32 reports late

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 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≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]weekly average≤ 31 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 31 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 31 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 30 mg/LApr001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)May–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)May–Oct001
Phosphorus, total [as P]6-month average≤ .6 mg/LApr, Oct001
Phosphorus, total [as P]monthly average≤ 1 mg/LJan, Feb, Mar, May, Jun, Jul, Aug, Sep, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 1 mg/LApr, Oct001
E. colimonthly averagereport only (#/100mL)May–Sep001
E. colidaily maximumreport only (#/100mL)May–Sep001
Mercury, total recoverabledaily maximum≤ 13 ng/Lall year001
Coliform, fecal generalweekly geometric mean≤ 780 #/100mLall year001
Coliform, fecal generalgeometric mean≤ 400 #/100mLall year001
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
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/WI0026590 · MCP: https://passage-data.com/mcp