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Lynn Dairy/Lynn Protein, Inc.

Cheese, Natural And Processed, Granton, Wisconsin. NPDES permit WI0051152 expired Dec 31, 2025; its limits still apply. Last 12 months: over a limit 4 times (last May 2026), 22 required values missing, 6 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: form A monthly (14 values), form Q quarterly (3 values), form AN yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 10 required values missing, 2 of 17 reports late

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

Period endingParameterReportedLimitOver by
April 2026BOD, 5-day, 20 deg. C, daily maximum43.3≤ 22 lb/d97%
April 2026BOD, 5-day, 20 deg. C, weekly average43.3≤ 23 lb/d88%
April 2026Solids, total suspended, monthly average51.2≤ 43.6 lb/d17%
May 2026Temperature, water deg. fahrenheit, weekly average70≤ 51 deg F37%

Limits in force (19)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitweekly average≤ 51 deg Fall year
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg Fall year
BOD, 5-day, 20 deg. Cweekly average≤ 23 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 22 lb/dall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendeddaily maximum≤ 200 mg/Lall year
Solids, total suspendedmonthly average≤ 43.6 lb/dall year
Solids, total suspendeddaily maximum≤ 92.4 lb/dall year
Nitrogen, total [as N]quarterly maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]quarterly maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]quarterly maximumreport only (mg/L)all year
Phosphorus, total [as P]annual averagereport only (lb/yr)all year
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year
Copper, total recoverableweekly average≤ 11 ug/Lall year
Copper, total recoverableweekly average≤ .017 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0051152 · MCP: https://passage-data.com/mcp