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Lebanon Sanitary District #2 W

Sewerage Systems, Watertown, Wisconsin. NPDES permit WI0023051 expired Sep 30, 2023; its limits still apply. Last 12 months: over a limit 7 times (last May 2026), 75 required values missing, 2 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (20 values), outfall 701 form A monthly (4 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 36 required values missing, 2 of 24 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, weekly average35≤ 30 mg/L17%
March 2026BOD, 5-day, 20 deg. C, weekly average42.85≤ 30 mg/L43%
March 2026Solids, total suspended, monthly average10.151≤ 8.4 lb/d21%
March 2026Solids, total suspended, monthly average20.22≤ 20 mg/L1%
March 2026Solids, total suspended, weekly average35.985≤ 14 lb/d157%
March 2026Solids, total suspended, weekly average< 66.9≤ 30 mg/L123%
May 2026Nitrogen, ammonia total [as N], daily maximum7.3≤ 4.8 mg/L52%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 30 mg/LJan, Mar, May, Jul, Aug, Oct, Dec001
Solids, total suspendedweekly average≤ 30 mg/LApr, Jun, Sep, Nov001
Solids, total suspendedweekly average≤ 30 mg/LFeb001
Solids, total suspendedmonthly average≤ 20 mg/LJan, Mar, May, Jul, Aug, Oct, Dec001
Solids, total suspendedmonthly average≤ 20 mg/LApr, Jun, Sep, Nov001
Solids, total suspendedmonthly average≤ 20 mg/LFeb001
Solids, total suspendedmonthly average≤ 8.4 lb/dJan, Mar, May, Jul, Aug, Oct, Dec001
Solids, total suspendedmonthly average≤ 8.7 lb/dApr, Jun, Sep, Nov001
Solids, total suspendedmonthly average≤ 9.3 lb/dFeb001
Solids, total suspendedweekly average≤ 14 lb/dJan, Mar, May, Jul, Aug, Oct, Dec001
Solids, total suspendedweekly average≤ 14 lb/dApr, Jun, Sep, Nov001
Solids, total suspendedweekly average≤ 15 lb/dFeb001
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly average≤ 4.8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4.8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 3 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
Copper, total recoverableweekly average≤ 33 ug/Lall year001
Copper, total recoverablemonthly average≤ 33 ug/Lall year001
Copper, total recoverabledaily maximum≤ 55 ug/Lall 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
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/WI0023051 · MCP: https://passage-data.com/mcp