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Lactalis USA Belmont Inc

Cheese, Natural And Processed, Belmont, Wisconsin. NPDES permit WI0054470 expired Mar 31, 2023; its limits still apply. Last 12 months: over a limit once (last October 2025), 39 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (15 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
7 values over a limit, 12 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Oxygen, dissolved [DO], daily minimum5≥ 6 mg/L17%

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 32 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Sep
BOD, 5-day, 20 deg. Cmonthly average≤ 46.1 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 46.1 lb/dMay–Sep
BOD, 5-day, 20 deg. Cdaily maximum≤ 92.3 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 92.3 lb/dMay–Sep
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 58 lb/dall year
Solids, total suspendeddaily maximum≤ 115.3 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 8.8 mg/LApr
Nitrogen, ammonia total [as N]weekly average≤ 7.1 mg/LMay–Sep
Nitrogen, ammonia total [as N]monthly average≤ 4.2 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 3.6 mg/LMay–Sep
Nitrogen, ammonia total [as N]monthly average≤ 6.7 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Apr
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)May–Sep
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Oct, Nov, Dec
Phosphorus, total [as P]6-month average≤ .075 mg/Lall year
Phosphorus, total [as P]monthly average≤ .225 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

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/WI0054470 · MCP: https://passage-data.com/mcp