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Ellsworth Coop Creamery

Fluid Milk, Ellsworth, Wisconsin. NPDES permit WI0022942 expired Sep 30, 2022; its limits still apply. Last 12 months: over a limit 21 times (last June 2026), 184 required values missing, 4 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (26 values), outfall 101 form A monthly (8 values), outfall 102 form A monthly (4 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 150 required values missing, 2 of 36 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
December 2025Phosphorus, total [as P], monthly average1.1524≤ 1 mg/L15%
December 2025Temperature, water deg. fahrenheit, daily maximum90≤ 86 deg F5%
February 2026Phosphorus, total [as P], monthly average1.2875≤ 1 mg/L29%
March 2026Nitrogen, ammonia total [as N], daily maximum39.7≤ 7.8 mg/L409%
March 2026Nitrogen, ammonia total [as N], monthly average7.9222≤ 7.8 mg/L2%
April 2026BOD, 5-day, 20 deg. C, daily maximum152≤ 40 mg/L280%
April 2026BOD, 5-day, 20 deg. C, daily maximum240.7≤ 127 lb/d90%
April 2026BOD, 5-day, 20 deg. C, monthly average52.6923≤ 20 mg/L163%
April 2026BOD, 5-day, 20 deg. C, monthly average85.5385≤ 53.4 lb/d60%
April 2026Nitrogen, ammonia total [as N], daily maximum15.7≤ 8.8 mg/L78%
April 2026Oxygen, dissolved [DO], daily minimum1.3≥ 4 mg/L68%
April 2026Phosphorus, total [as P], monthly average1.7926≤ 1 mg/L79%
April 2026Solids, total suspended, daily maximum110≤ 40 mg/L175%
April 2026Solids, total suspended, monthly average36.3846≤ 20 mg/L82%
May 2026Oxygen, dissolved [DO], daily minimum3.9≥ 4 mg/L3%
May 2026Phosphorus, total [as P], monthly average1.6455≤ 1 mg/L65%
May 2026Solids, total suspended, daily maximum131≤ 40 mg/L228%
May 2026Solids, total suspended, daily maximum204.2≤ 184 lb/d11%
May 2026Solids, total suspended, monthly average20.6667≤ 20 mg/L3%
June 2026Oxygen, dissolved [DO], daily minimum3.8≥ 4 mg/L5%
June 2026Temperature, water deg. fahrenheit, daily maximum87≤ 86 deg F1%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 86 deg Fall year001
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 40 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 53.4 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 127 lb/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, total suspendedmonthly average≤ 77.1 lb/dall year001
Solids, total suspendeddaily maximum≤ 184 lb/dall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, organic total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]weekly average≤ 9.1 mg/LMay–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 8.8 mg/LApr, Oct, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 7.8 mg/LJan, Feb, Mar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 3.6 mg/LMay–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 8.8 mg/LApr, Oct, Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LJan, Feb, Mar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LMay–Sep001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/mo)all year001
Phosphorus, total [as P]daily maximumreport only (lb/mo)all year001
Chloride [as Cl]weekly average≤ 400 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year101
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year101
Solids, total suspendedmonthly averagereport only (mg/L)all year101
Solids, total suspendeddaily maximumreport only (mg/L)all year101
Phosphorus, total [as P]monthly averagereport only (mg/L)all year101
Phosphorus, total [as P]daily maximumreport only (mg/L)all year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Phosphorus, total [as P]rolling average≤ 1 mg/Lall year102
Phosphorus, total [as P]daily maximumreport only (mg/L)all year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102

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/WI0022942 · MCP: https://passage-data.com/mcp