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Mullins Cheese

Cheese, Natural And Processed, Marshfield, Wisconsin. NPDES permit WI0053694 expired Mar 31, 2023; its limits still apply. Last 12 months: over a limit 6 times (last June 2026), 46 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (23 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], 6-month average.1333≤ .13 lb/d3%
February 2026Phosphorus, total [as P], 6-month average.2375≤ .13 lb/d83%
March 2026Phosphorus, total [as P], 6-month average.2≤ .13 lb/d54%
April 2026Phosphorus, total [as P], 6-month average.3222≤ .13 lb/d148%
May 2026Phosphorus, total [as P], 6-month average.3≤ .13 lb/d131%
June 2026Phosphorus, total [as P], 6-month average.1756≤ .13 lb/d35%

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 27 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 54 lb/dall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 34 lb/dall year
Solids, total suspendeddaily maximum≤ 68 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJun–Sep
Nitrogen, ammonia total [as N]monthly average≤ 4.3 mg/LOct, Nov
Nitrogen, ammonia total [as N]monthly average≤ 5.2 mg/LJan, Feb, Mar, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.2 mg/LApr, May
Nitrogen, ammonia total [as N]daily maximum≤ 2.8 mg/LJun–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 7.9 mg/LOct, Nov
Nitrogen, ammonia total [as N]daily maximum≤ 9.4 mg/LJan, Feb, Mar, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LApr, May
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]6-month average≤ .13 lb/dall year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Chloride [as Cl]weekly average≤ 400 mg/Lall year
Chloride [as Cl]monthly average≤ 400 mg/Lall year
Chloride [as Cl]daily maximum≤ 450 mg/Lall year
Chloride [as Cl]weekly average≤ 820 lb/dall 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/WI0053694 · MCP: https://passage-data.com/mcp