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Darigold, Inc

Fluid Milk, Lynden, Washington. NPDES permit WA0002470, in force until Dec 31, 2030. Last 12 months: no values over a limit, 19 required values missing, 3 of 26 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall SP00 form MM monthly (9 values), outfall SP01 form MM monthly (10 values), outfall SP00 form BA twice a year, outfall SP01 form BA twice a year, outfall SP01 form QQ quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 6 of 24 reports late

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 78.4 deg Fall yearSP00
Temperature, water deg. fahrenheitdaily averagereport only (deg F) (alert, not enforceable)all yearSP00
BOD, 5-day, 20 deg. Caverage≤ 30 mg/Lall yearSP00
BOD, 5-day, 20 deg. Caverage≤ 250 lb/dall yearSP00
pHdaily minimum≥ 6.5 SUall yearSP00
pHdaily maximum≤ 9 SUall yearSP00
Solids, total suspendedaverage≤ 30 mg/Lall yearSP00
Solids, total suspendedaverage≤ 250 lb/dall yearSP00
Nitrogen, ammonia total [as N]single readingreport only (mg/L) (alert, not enforceable)all yearSP00
Nitrogen, Kjeldahl, total [as N]single readingreport only (mg/L) (alert, not enforceable)all yearSP00
Nitrite + Nitrate total [as N]single readingreport only (mg/L) (alert, not enforceable)all yearSP00
Flowdaily maximum≤ 1 MGDall yearSP00
Temperature, water deg. fahrenheitdaily maximumreport only (deg F) (alert, not enforceable)all yearSP01
BOD, 5-day, 20 deg. Caveragereport only (mg/L) (alert, not enforceable)all yearSP01
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L) (alert, not enforceable)all yearSP01
BOD, 5-day, 20 deg. Caverage≤ 2100 lb/dall yearSP01
Solids, total suspendedaveragereport only (mg/L) (alert, not enforceable)all yearSP01
Solids, total suspendeddaily maximumreport only (mg/L) (alert, not enforceable)all yearSP01
Solids, total suspendedaverage≤ 930 lb/dall yearSP01
Oil and grease, hexane extr methoddaily maximum≤ 100 mg/Lall yearSP01
Nitrogen, ammonia total [as N]single readingreport only (mg/L) (alert, not enforceable)all yearSP01
Nitrogen, Kjeldahl, total [as N]single readingreport only (mg/L) (alert, not enforceable)all yearSP01
Nitrite + Nitrate total [as N]single readingreport only (mg/L) (alert, not enforceable)all yearSP01
pH, maximumdaily maximum≤ 10 SUall yearSP01
pH, minimumdaily minimum≥ 6 SUall yearSP01
Flowaverage≤ .25 MGDall yearSP01

How strict are these limits?

Cited limits by parameter: Washington's rules and the federal ones.

Same industry: the 24 Food and Kindred Products permits in Washington.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WA0002470 · MCP: https://passage-data.com/mcp