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Village of Theresa

Sewage treatment plant, Theresa, Wisconsin. NPDES permit WI0022322 expired Sep 30, 2023; its limits still apply. Last 12 months: over a limit once (last June 2026), 48 required values missing, 10 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (18 values), outfall 701 form A monthly (4 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 24 required values missing, 22 of 24 reports late

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

Period endingParameterReportedLimitOver by
June 2026Phosphorus, total [as P], monthly average1.545≤ 1 mg/L55%

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 19 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 19 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 24 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 36 lb/dJan, Feb, Mar, Apr, Nov, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 19 mg/LMay, Jul, Aug, Oct001
Solids, total suspendedweekly average≤ 30 mg/LApr, Nov001
Solids, total suspendedweekly average≤ 30 mg/LJan, Mar, Dec001
Solids, total suspendedweekly average≤ 30 mg/LFeb001
Solids, total suspendedweekly average≤ 19 mg/LJun, Sep001
Solids, total suspendedmonthly average≤ 19 mg/LMay, Jul, Aug, Oct001
Solids, total suspendedmonthly average≤ 30 mg/LApr, Nov001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Mar, Dec001
Solids, total suspendedmonthly average≤ 30 mg/LFeb001
Solids, total suspendedmonthly average≤ 19 mg/LJun, Sep001
Solids, total suspendedmonthly average≤ 32 lb/dMay, Jul, Aug, Oct001
Solids, total suspendedmonthly average≤ 31 lb/dApr, Nov001
Solids, total suspendedmonthly average≤ 32 lb/dJan, Mar, Dec001
Solids, total suspendedmonthly average≤ 35 lb/dFeb001
Solids, total suspendedmonthly average≤ 31 lb/dJun, Sep001
Solids, total suspendedweekly average≤ 24 lb/dMay, Jul, Aug, Oct001
Solids, total suspendedweekly average≤ 36 lb/dApr, Nov001
Solids, total suspendedweekly average≤ 36 lb/dJan, Mar, Dec001
Solids, total suspendedweekly average≤ 36 lb/dFeb001
Solids, total suspendedweekly average≤ 24 lb/dJun, Sep001
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 17 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 12 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 9 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 14 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 8 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LApr001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly averagereport 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
Coliform, fecal generalweekly geometric mean≤ 656 #/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

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/WI0022322 · MCP: https://passage-data.com/mcp