Anderson Dam 809

Anderson Dam 809 is an earth dam located in Dawes County, Nebraska, built in 1950. It carries a Low hazard potential classification.

About Anderson Dam 809

The primary purpose of Anderson Dam 809 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Louis & Glenda Carlson Life Es (private). It impounds the Tr-niobrara River near Valentine.

The dam stands 33 feet tall and stretches 700 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 373 acre-feet, and collects water from a drainage area of 21 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.

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 09/24/2019.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyDawes
Nearest CityValentine
River/StreamTr-niobrara River
Coordinates42.63226, -102.79420

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height23 ft
Dam Length700 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage373 acre-ft
Max Storage373 acre-ft
Normal Storage167 acre-ft
Surface Area28 acres
Drainage Area21 sq mi
Max Discharge3,190 cfs

Ownership & Safety

PurposeIrrigation
OwnerLouis & Glenda Carlson Life ES
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/24/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE00809
Federal IDNE00809
More InfoState Dam Safety Program

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