Oso Diversion Dam

Oso Diversion Dam is a concrete dam located in Archuleta County, Colorado, built in 1970. It carries a Low hazard potential classification.

About Oso Diversion Dam

The primary purpose of Oso 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 Navajo River.

The dam stands 51 feet tall and stretches 790 feet across, and has a maximum storage capacity of 47 acre-feet. Completed in 1970, 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.

At 51 feet, this dam is taller than 93% of dams nationwide.

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Low HazardNot Available ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyArchuleta
River/StreamNavajo River
Coordinates37.03060, -106.73565

Physical Characteristics

Dam TypeConcrete
NID Height51 ft
Dam Length790 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage47 acre-ft
Max Storage47 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Available
Emergency Action PlanNot Required

Identifiers

NID IDCO03115
Federal IDCO03115
More InfoState Dam Safety Program

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