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Clark County Health Care Center

Sewage treatment plant, Clark County, Wisconsin. NPDES permit WI0029700 expired Dec 31, 2023; its limits still apply. Last 12 months: over a limit 3 times (last October 2025), 41 required values missing, 6 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (15 values), outfall 701 form A monthly (6 values), outfall 001 form AN yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
8 values over a limit, 139 required values missing, 18 of 25 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, daily maximum26.9≤ 16.9 lb/d59%
October 2025Solids, total suspended, daily maximum71.8≤ 16.9 lb/d325%
October 2025Solids, total suspended, monthly average40≤ 30 mg/L33%

Limits in force (55)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Aug, Sep001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LApr–Jun001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJul001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LOct001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LNov001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LDec001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Aug, Sep001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LApr–Jun001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJul001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LOct001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LNov001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LDec001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)Jan, Feb, Mar, Aug, Sep001
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)Jan, Feb, Mar, Aug, Sep001
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 lb/dApr–Jun001
BOD, 5-day, 20 deg. Cdaily maximum≤ 24.4 lb/dJul001
BOD, 5-day, 20 deg. Cdaily maximum≤ 16.9 lb/dOct001
BOD, 5-day, 20 deg. Cdaily maximum≤ 33.8 lb/dNov001
BOD, 5-day, 20 deg. Cdaily maximum≤ 26.6 lb/dDec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Aug, Sep001
Solids, total suspendedweekly average≤ 45 mg/LApr–Jun001
Solids, total suspendedweekly average≤ 45 mg/LJul001
Solids, total suspendedweekly average≤ 45 mg/LOct001
Solids, total suspendedweekly average≤ 45 mg/LNov001
Solids, total suspendedweekly average≤ 45 mg/LDec001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Aug, Sep001
Solids, total suspendedmonthly average≤ 30 mg/LApr–Jun001
Solids, total suspendedmonthly average≤ 30 mg/LJul001
Solids, total suspendedmonthly average≤ 30 mg/LOct001
Solids, total suspendedmonthly average≤ 30 mg/LNov001
Solids, total suspendedmonthly average≤ 30 mg/LDec001
Solids, total suspendedmonthly averagereport only (lb/d)Jan, Feb, Mar, Aug, Sep001
Solids, total suspendeddaily maximumreport only (lb/d)Jan, Feb, Mar, Aug, Sep001
Solids, total suspendeddaily maximum≤ 60 lb/dApr–Jun001
Solids, total suspendeddaily maximum≤ 24.4 lb/dJul001
Solids, total suspendeddaily maximum≤ 16.9 lb/dOct001
Solids, total suspendeddaily maximum≤ 33.8 lb/dNov001
Solids, total suspendeddaily maximum≤ 26.6 lb/dDec001
Nitrogen, ammonia total [as N]daily 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]annual averagereport only (lb/yr)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Apr–Jul001
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDJan, Feb, Mar, Aug, Sep001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Apr–Jul001
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.

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