Belle Fourche Diversion Dam

Belle Fourche Diversion Dam is a concrete dam located in Butte County, South Dakota, built in 1907. It carries a Low hazard potential classification.

About Belle Fourche Diversion Dam

The primary purpose of Belle Fourche Diversion Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau Of Reclamation (federal). It impounds the Belle Fourche River near Fruitdale.

The dam stands 36 feet tall and stretches 400 feet across, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 4,310 square miles. Completed in 1907, the structure is over a century 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 05/25/2021.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Low HazardNot Available ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyButte
Nearest CityFruitdale
River/StreamBelle Fourche River
Coordinates44.69070, -103.83090

Physical Characteristics

Dam TypeConcrete
NID Height36 ft
Dam Height36 ft
Dam Length400 ft
Year Completed1907 (119 years old)

Storage & Hydraulics

NID Storage500 acre-ft
Max Storage500 acre-ft
Normal Storage500 acre-ft
Drainage Area4,310 sq mi
Max Discharge1,635 cfs
Spillway TypeNone

Ownership & Safety

PurposeIrrigation
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection05/25/2021
Emergency Action PlanNot Required

Identifiers

NID IDSD01142
Federal IDSD01142
More InfoState Dam Safety Program

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