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Whitewater Wastewater Treatmen

Sewage treatment plant, major discharger, Whitewater, Wisconsin. NPDES permit WI0020001 expired Mar 31, 2022; its limits still apply. Last 12 months: no values over a limit, 54 required values missing, 2 of 30 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (21 values), outfall 001 form Q quarterly (4 values), outfall 701 form A monthly (4 values), outfall 701 form Q quarterly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 29 required values missing, 11 of 32 reports late

Limits in force (90)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 10 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 304 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 609 lb/dJan, Feb, Mar, Apr, Nov, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 10 mg/LJun001
Solids, total suspendedweekly average≤ 10 mg/LMay, Oct001
Solids, total suspendedweekly average≤ 10 mg/LJul001
Solids, total suspendedweekly average≤ 10 mg/LAug001
Solids, total suspendedweekly average≤ 10 mg/LSep001
Solids, total suspendedweekly average≤ 20 mg/LApr, Nov001
Solids, total suspendedweekly average≤ 20 mg/LJan, Mar, Dec001
Solids, total suspendedweekly average≤ 20 mg/LFeb001
Solids, total suspendedmonthly average≤ 10 mg/LJun001
Solids, total suspendedmonthly average≤ 10 mg/LMay, Oct001
Solids, total suspendedmonthly average≤ 10 mg/LJul001
Solids, total suspendedmonthly average≤ 10 mg/LAug001
Solids, total suspendedmonthly average≤ 10 mg/LSep001
Solids, total suspendedmonthly average≤ 20 mg/LApr, Nov001
Solids, total suspendedmonthly average≤ 20 mg/LJan, Mar, Dec001
Solids, total suspendedmonthly average≤ 20 mg/LFeb001
Solids, total suspendeddaily maximumreport only (mg/L)Jul001
Solids, total suspendeddaily maximumreport only (mg/L)Aug001
Solids, total suspendeddaily maximumreport only (mg/L)Sep001
Solids, total suspendeddaily maximumreport only (mg/L)Apr, Nov001
Solids, total suspendeddaily maximumreport only (mg/L)Jan, Mar, Dec001
Solids, total suspendeddaily maximumreport only (mg/L)Feb001
Solids, total suspendedmonthly average≤ 291 lb/dJun001
Solids, total suspendedmonthly average≤ 280 lb/dMay, Oct001
Solids, total suspendedmonthly average≤ 251 lb/dJul001
Solids, total suspendedmonthly average≤ 274 lb/dAug001
Solids, total suspendedmonthly average≤ 285 lb/dSep001
Solids, total suspendedmonthly average≤ 291 lb/dApr, Nov001
Solids, total suspendedmonthly average≤ 280 lb/dJan, Mar, Dec001
Solids, total suspendedmonthly average≤ 308 lb/dFeb001
Solids, total suspendedweekly average≤ 304 lb/dJun001
Solids, total suspendedweekly average≤ 304 lb/dMay, Oct001
Solids, total suspendedweekly average≤ 304 lb/dJul001
Solids, total suspendedweekly average≤ 304 lb/dAug001
Solids, total suspendedweekly average≤ 304 lb/dSep001
Solids, total suspendedweekly average≤ 411 lb/dApr, Nov001
Solids, total suspendedweekly average≤ 394 lb/dJan, Mar, Dec001
Solids, total suspendedweekly average≤ 434 lb/dFeb001
Nitrogen, total [as N]quarterly maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]weekly average≤ 9.2 mg/LMay001
Nitrogen, ammonia total [as N]weekly average≤ 10.6 mg/LFeb, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 11.3 mg/LMar001
Nitrogen, ammonia total [as N]weekly average≤ 6.3 mg/LJul–Sep001
Nitrogen, ammonia total [as N]weekly average≤ 10.7 mg/LNov001
Nitrogen, ammonia total [as N]weekly average≤ 9.6 mg/LOct001
Nitrogen, ammonia total [as N]weekly average≤ 6.3 mg/LJun001
Nitrogen, ammonia total [as N]weekly average≤ 9.8 mg/LApr001
Nitrogen, ammonia total [as N]weekly average≤ 10.5 mg/LJan001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 4.4 mg/LFeb, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 4.8 mg/LMar001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LNov001
Nitrogen, ammonia total [as N]monthly average≤ 4.1 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 3.2 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 4.4 mg/LJan001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LFeb, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LMar001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LNov001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LJan001
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 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
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/WI0020001 · MCP: https://passage-data.com/mcp