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Saputo Cheese Waupun Facility

Dry, Condensed, Evaporated Products, Waupun, Wisconsin. NPDES permit WI0002003 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit 3 times (last February 2026), 60 required values missing, 16 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 002 form A monthly (22 values), outfall 701 form A monthly (8 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 10 of 24 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, daily maximum> 150.9≤ 266 lb/d—
December 2025BOD, 5-day, 20 deg. C, daily maximum> 23.07≤ 30 mg/L—
February 2026Chloride [as Cl], weekly average525≤ 400 mg/L31%

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitweekly averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 106 lb/dall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 266 lb/dall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 20 mg/Lall year002
Solids, total suspendeddaily maximum≤ 30 mg/Lall year002
Solids, total suspendedmonthly average≤ 152 lb/dall year002
Solids, total suspendeddaily maximum≤ 360 lb/dall year002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]rolling average≤ 2.5 mg/Lall year002
Phosphorus, total [as P]monthly averagereport only (lb/d)all year002
Phosphorus, total [as P]daily maximumreport only (lb/d)all year002
Chloride [as Cl]weekly average≤ 400 mg/Lall year002
Chloride [as Cl]weekly average≤ 3300 lb/dall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Oxygen demand, chem. [high level] [COD]monthly averagereport only (lb/d)all year701
Oxygen demand, chem. [high level] [COD]daily maximumreport only (lb/d)all year701
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year701
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year701
Chloride [as Cl]monthly averagereport only (lb/d)all year701
Chloride [as Cl]daily maximumreport only (lb/d)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.

Same industry: the 75 Food and Kindred Products permits in Wisconsin.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0002003 · MCP: https://passage-data.com/mcp