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Avista Corp - Kettle Falls

Electric Services, Kettle Falls, Washington. NPDES permit WA0045217 expired Nov 30, 2024; 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 MM monthly (8 values), outfall 002 form AA yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly average≤ 87 deg Fall year001
Temperature, water deg. fahrenheitmonthly average≤ 87 deg Fall year001
Solids, total suspendedmonthly average≤ 9 mg/Lall year001
Solids, total suspendedmonthly average≤ 9 mg/Lall year001
Oil and grease, hexane extr methodmonthly average≤ 6.8 mg/Lall year001
Oil and grease, hexane extr methodmonthly average≤ 6.8 mg/Lall year001
Chlorine, free availablemonthly average≤ .078 mg/Lall year001
Chlorine, free availablemonthly average≤ .078 mg/Lall year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6 SUall year001
pH, minimumdaily minimum≥ 6 SUall year001
Flowmaximumreport only (MGD) (alert, not enforceable)all year001
Flowmaximumreport only (MGD) (alert, not enforceable)all year001
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year001
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year001
Polychlorinated biphenyls [PCBs]single readingreport only (ug/L) (alert, not enforceable)all year002
Polychlorinated biphenyls [PCBs]single readingreport only (ug/L) (alert, not enforceable)all year002

How strict are these limits?

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

Same industry: the 21 Electric Services 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/WA0045217 · MCP: https://passage-data.com/mcp