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Graf Creamery

Creamery Butter, Zachow, Wisconsin. NPDES permit WI0001732 expired Sep 30, 2023; its limits still apply. Last 12 months: no values over a limit, 34 required values missing, 6 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (17 values), form Q quarterly (11 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 7 of 16 reports late

Limits in force (28)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Zinc, total recoverableweekly average≤ 400 ug/Lall year
Zinc, total recoverableweekly average≤ 400 ug/Lall year
Zinc, total recoverablemonthly average≤ 400 ug/Lall year
Zinc, total recoverablemonthly average≤ 400 ug/Lall year
Zinc, total recoverabledaily maximum≤ 610 ug/Lall year
Zinc, total recoverabledaily maximum≤ 610 ug/Lall year
Zinc, total recoverableweekly average≤ .23 lb/dall year
Zinc, total recoverableweekly average≤ .23 lb/dall year
Zinc, total recoverabledaily maximum≤ .35 lb/dall year
Zinc, total recoverabledaily maximum≤ .35 lb/dall year
Copper, total recoverableweekly average≤ 34 ug/Lall year
Copper, total recoverableweekly average≤ 34 ug/Lall year
Copper, total recoverablemonthly average≤ 34 ug/Lall year
Copper, total recoverablemonthly average≤ 34 ug/Lall year
Copper, total recoverabledaily maximum≤ 85 ug/Lall year
Copper, total recoverabledaily maximum≤ 85 ug/Lall year
Copper, total recoverableweekly average≤ .019 lb/dall year
Copper, total recoverableweekly average≤ .019 lb/dall year
Copper, total recoverabledaily maximum≤ .049 lb/dall year
Copper, total recoverabledaily maximum≤ .049 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)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/WI0001732 · MCP: https://passage-data.com/mcp