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Idaho Power Company

Electric Services, Wallowa County, Oregon. NPDES permit OR0027278 expired Jul 31, 2009; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form Q quarterly (4 values), outfall 002 form Q quarterly (3 values), outfall 003 form Q quarterly (3 values), outfall 004 form Q quarterly (5 values), outfall SUM form Q quarterly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 20 reports late

Limits in force (16)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 55 deg Fall year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oil & Greasevalue≤ 10 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 55 deg Fall year002
Oil & Greasevalue≤ 10 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year002
Temperature, water deg. fahrenheitdaily maximum≤ 55 deg Fall year003
Oil & Greasevalue≤ 10 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year003
pHdaily minimum≥ 6 SUall year004
pHdaily maximum≤ 9 SUall year004
Solids, total suspendedmonthly average≤ 50 mg/Lall year004
Oil & Greasevalue≤ 10 mg/Lall year004
Flow, in conduit or thru treatment plantdaily maximum≤ 1.5 MGDall year004
Flow, in conduit or thru treatment plantdaily maximum≤ 9 MGDall yearSUM

How strict are these limits?

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

Same industry: the 8 Electric Services permits in Oregon.

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/OR0027278 · MCP: https://passage-data.com/mcp