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Foremost Farms USA Chilton

Cheese, Natural And Processed, Chilton, Wisconsin. NPDES permit WI0027618 expired Jun 30, 2023; its limits still apply. Last 12 months: over a limit once (last June 2026), 78 required values missing, 3 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (16 values), outfall 002 form A monthly (4 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 48 required values missing, 6 of 29 reports late

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

Period endingParameterReportedLimitOver by
June 2026Temperature, water deg. fahrenheit, daily maximum110.8≤ 86 deg F29%

Limits in force (23)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 86 deg Fall year001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 40 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 28 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 94 lb/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, total suspendedmonthly average≤ 57 lb/dall year001
Solids, total suspendeddaily maximum≤ 138 lb/dall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]rolling average≤ 1 mg/Lall year001
Phosphorus, total [as P]annual averagereport only (lb/yr)all year001
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year001
Chloride [as Cl]quarterly maximumreport only (mg/L)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
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
Chloride [as Cl]monthly averagereport only (mg/L)all year002
Chloride [as Cl]daily maximumreport only (mg/L)all year002

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/WI0027618 · MCP: https://passage-data.com/mcp