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Idaho Power Co

Electric Services, Cambridge, Idaho. NPDES permit ID0020907, in force until Aug 31, 2028. Last 12 months: no values over a limit, 8 of 96 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form M monthly (7 values), outfall 002 form M monthly (7 values), outfall 003 form M monthly (7 values), outfall 004 form M monthly (7 values), outfall 005 form M monthly (27 values), outfall 006 form M monthly (6 values), and 2 more forms
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 0 of 96 reports late

Limits in force (72)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
pHinstantaneous minimum≥ 7 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Oil & Greasedaily maximum≤ 5 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
pHinstantaneous minimum≥ 7 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 5 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Temperature, water deg. centigrademonthly averagereport only (deg C)all year003
Temperature, water deg. centigradedaily maximumreport only (deg C)all year003
pHinstantaneous minimum≥ 7 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Oil & Greasedaily maximum≤ 5 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Temperature, water deg. centigradedaily maximumreport only (deg C)all year004
pHinstantaneous minimum≥ 7 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Oil & Greasedaily maximum≤ 5 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
pHinstantaneous minimum≥ 7 SUall year005
pHdaily maximum≤ 9 SUall year005
Oil & Greasedaily maximum≤ 5 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year006
pHinstantaneous minimum≥ 7 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Solids, totalmonthly average≤ 50 mg/Lall year006
Oil & Greasedaily maximum≤ 5 mg/Lall year006
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar, Oct006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Temperature, water deg. centigradedaily maximumreport only (deg C)all year007
pHinstantaneous minimum≥ 7 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Solids, totalmonthly average≤ 50 mg/Lall year007
Oil & Greasedaily maximum≤ 5 mg/Lall year007
Polychlorinated biphenyls [PCBs]daily maximumreport only (ug/L)Mar, Oct007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Thermal Dischargemonthly average≤ 10300 MBTU/dall yearSUM
Flow, in conduit or thru treatment plantdaily maximum≤ 16.4 MGDall yearSUM
Flow, in conduit or thru treatment plantdaily maximum≤ 1 MGDall yearSUM

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/ID0020907 · MCP: https://passage-data.com/mcp