Mcdowell Lake Dam

Mcdowell Lake Dam is an earth dam located in Stevens County, Washington, built in 1973. It carries a Low hazard potential classification.

About Mcdowell Lake Dam

The primary purpose of Mcdowell Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Us Fish And Wildlife Service (federal). It impounds the Tr-little Pend Oreille River near Arden.

The dam stands 16 feet tall and stretches 615 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 596 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/21/2010. That was over 15 years ago.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateWashington
CountyStevens
Nearest CityArden
River/StreamTr-little Pend Oreille River
Coordinates48.47007, -117.68229

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Length615 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage596 acre-ft
Max Storage596 acre-ft
Normal Storage480 acre-ft
Surface Area33 acres
Drainage Area1 sq mi
Max Discharge197 cfs

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerUS Fish and Wildlife Service
Owner TypeFederal
Hazard ClassificationLow
Last Inspection10/21/2010
Emergency Action PlanNot Required

Identifiers

NID IDWA00042
Federal IDWA00042
More InfoState Dam Safety Program

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