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Pacificorp - Cottonwood/Wilberg Mine

Bituminous Coal - Underground, Huntington, Utah. NPDES permit UT0022896, in force until Apr 30, 2029. Last 12 months: no values over a limit. 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, 1 of 12 reports late

Limits in force (14)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Flow ratemaximum monthly average≤ .54 MGDall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmaximum monthly average≤ 20 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 30 mg/Lall year
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year
Oil and greasedaily maximum≤ 10 mg/Lall year
Floating solids, waste or visible foam-visualdaily maximum≤ 0 N=0;Y=1all year
Sanitary waste discharged-assessmntdaily maximum≤ 0 N=0;Y=1all year
Solids, total dissolvedmaximum monthly average≤ 1136 mg/Lall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Solids, total dissolveddaily maximum≤ 2000 lb/dall year
Oil and grease visualinstantaneous maximum≤ 0 N=0;Y=1all year

How strict are these limits?

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

Same industry: the 13 Coal Mining permits in Utah.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/UT0022896 · MCP: https://passage-data.com/mcp