Noxon Rapids

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMontana
CountySanders
Nearest CityNoxon, MT
River/StreamClark Fork River
Coordinates47.96166, -115.73344

Physical Characteristics

Dam TypeGravity
NID Height260 ft
Dam Height135 ft
Dam Length5,840 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage400,000 acre-ft
Max Storage400,000 acre-ft
Normal Storage400,000 acre-ft
Surface Area7,940 acres
Drainage Area21,800 sq mi
Max Discharge364,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerAvista Corporation
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/26/2022
Emergency Action PlanYes

Identifiers

NID IDMT00223
Federal IDMT00223
More InfoState Dam Safety Program