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Lumber Exchange, LLC C/O Lloyd Companies

Environmental Controls, Sioux Falls, South Dakota. NPDES permit SD0028627 expired Apr 30, 2024; its limits still apply. Last 12 months: no values over a limit, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (14)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheit30-day averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Flow rate30-day averagereport only (gal/min)all year
Flow ratedaily maximumreport only (gal/min)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Floating solids, waste or visible foam-visualdaily maximumreport only (abst=0;prst=1)all year
Flow, totalmonthly totalreport only (gal)all year
Tetrachloroethene30-day average≤ .69 ug/Lall year
Tetrachloroethenedaily maximum≤ .69 ug/Lall year
Tetrachloroethene30-day averagereport only (ug/L)all year
Tetrachloroethenedaily maximumreport only (ug/L)all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SD0028627 · MCP: https://passage-data.com/mcp