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Pacificorp--Gadsby

Electric Services, Salt Lake City, Utah. NPDES permit UT0000116 expired May 31, 2018; its limits still apply. Last 12 months: over a limit once (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form A monthly (13 values), outfall 004 form Q every 4 months (8 values), outfall SW1 form A
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 1 of 16 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, 30-day average26 mg/L≤ 25 mg/L4%

Limits in force (22)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6.5 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspended30-day average≤ 25 mg/Lall year004
Solids, total suspended7-day average≤ 35 mg/Lall year004
Solids, total suspendeddaily maximum≤ 100 mg/Lall year004
Chromium, total [as Cr]30-day average≤ .2 mg/Lall year004
Chromium, total [as Cr]30-day average≤ .2 mg/Lall year004
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year004
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year004
Zinc, total recoverable30-day average≤ 1 mg/Lall year004
Zinc, total recoverable30-day average≤ 1 mg/Lall year004
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year004
Zinc, total recoverabledaily maximum≤ 1 mg/Lall year004
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year004
Floating solids, waste or visible foam-visualdaily maximum≤ 0 N=0;Y=1all year004
Sanitary waste discharged-assessmntdaily maximum≤ 0 N=0;Y=1all year004
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximum≤ 3.7 MGDall year004
Chlorine, free available30-day average≤ .2 mg/Lall year004
Chlorine, free availabledaily maximum≤ .5 mg/Lall year004
Oil and grease visualinstantaneous maximum≤ 0 N=0;Y=1all year004
Iron, total recoverabledaily maximumreport only (mg/L)all yearSW1

How strict are these limits?

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

Same industry: the 3 Electric Services permits in Utah.

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/UT0000116 · MCP: https://passage-data.com/mcp