Passage Data · Check a report · Use it from your AI

Wisconsin Dairy State Cheese, Inc.

Cheese, Natural And Processed, Rudolph, Wisconsin. NPDES permit WI0055751 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit 7 times (last May 2026), 31 required values missing, 8 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (14 values), form Q quarterly (1 value)
Last report on file: June 2026
Oct 2024 – Sep 2025: 18 values over a limit, 15 required values missing, 10 of 16 reports late

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

Period ending	Parameter	Reported	Limit	Over by
December 2025	Phosphorus, total [as P], monthly average	.2931	≤ .225 mg/L	30%
December 2025	pH, daily minimum	2.9	≥ 6 SU	—
January 2026	Phosphorus, total [as P], monthly average	.6406	≤ .225 mg/L	185%
February 2026	Phosphorus, total [as P], monthly average	.5225	≤ .225 mg/L	132%
March 2026	Phosphorus, total [as P], monthly average	.5179	≤ .225 mg/L	130%
April 2026	Phosphorus, total [as P], monthly average	.3646	≤ .225 mg/L	62%
May 2026	Phosphorus, total [as P], monthly average	.8742	≤ .225 mg/L	289%

Limits in force (15)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	daily minimum	≥ 4 mg/L	all year
BOD, 5-day, 20 deg. C	weekly average	≤ 30 mg/L	all year
BOD, 5-day, 20 deg. C	monthly average	≤ 20 mg/L	all year
BOD, 5-day, 20 deg. C	monthly average	≤ 25 lb/d	all year
BOD, 5-day, 20 deg. C	daily maximum	≤ 59 lb/d	all year
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 9 SU	all year
Solids, total suspended	weekly average	≤ 30 mg/L	all year
Solids, total suspended	monthly average	≤ 20 mg/L	all year
Solids, total suspended	monthly average	≤ 36 lb/d	all year
Solids, total suspended	daily maximum	≤ 88 lb/d	all year
Phosphorus, total [as P]	monthly average	≤ .225 mg/L	all year
Chloride [as Cl]	quarterly maximum	report only (mg/L)	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Phosphorus, total [as P], monthly average .225 mg/L — stricter than 83% of 31 other minor industrial and other permits in Wisconsin; 13% have the same limit
Solids, total suspended, weekly average 30 mg/L — stricter than 71% of 1,624 other minor industrial and other permits nationwide; 13% have the same limit
Solids, total suspended, monthly average 20 mg/L — stricter than 39% of 53 other minor industrial and other permits in Wisconsin; 47% have the same limit

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0055751 · MCP: https://passage-data.com/mcp