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Dale Sanitary District No 1 WW

Sewage treatment plant, Dale, Wisconsin. NPDES permit WI0030830 expired Sep 30, 2022; its limits still apply. Last 12 months: over a limit 2 times (last February 2026), 36 required values missing, 12 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (12 values), outfall 701 form A monthly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 12 of 24 reports late

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

Period endingParameterReportedLimitOver by
December 2025Chloride [as Cl], weekly average559.75≤ 510 mg/L10%
February 2026Chloride [as Cl], weekly average528≤ 510 mg/L4%

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 60 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LOct001
Nitrogen, ammonia total [as N]weekly average≤ 33 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 6.8 mg/LApr001
Nitrogen, ammonia total [as N]weekly average≤ 7.4 mg/LMay, Jun001
Nitrogen, ammonia total [as N]weekly average≤ 7.5 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 7.9 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 13 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LMay, Jun001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)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, Jun001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jul–Sep001
Chloride [as Cl]weekly average≤ 510 mg/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, carbonaceous [5 day, 5 C]weekly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 5 C]monthly average≤ 16 mg/Lall 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

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/WI0030830 · MCP: https://passage-data.com/mcp