Sentinel Butte Dam

Sentinel Butte Dam is an earth dam located in Golden Valley County, North Dakota, built in 1933. It carries a Low hazard potential classification.

About Sentinel Butte Dam

The primary purpose of Sentinel Butte Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Sentinel Butte (local government). It impounds the Andrews Creek near N.

The dam stands 13 feet tall and stretches 570 feet across, and has a maximum storage capacity of 100 acre-feet. Completed in 1933, 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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNorth Dakota
CountyGolden Valley
Nearest CityN
River/StreamAndrews Creek
Coordinates46.91349, -103.83711

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height10 ft
Dam Length570 ft
Year Completed1933 (93 years old)

Storage & Hydraulics

NID Storage100 acre-ft
Max Storage100 acre-ft
Normal Storage48 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCity Of Sentinel Butte
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDND00374
Federal IDND00374
More InfoState Dam Safety Program

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