Dunham

Dunham is an earth dam located in Dolores County, Colorado, built in 1966. It carries a Low hazard potential classification.

About Dunham

The primary purpose of Dunham is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Keith Ivins (private). It impounds the Disappointment Creek-tr near Slick Rock.

The dam stands 30 feet tall and stretches 268 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 134 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1966, 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 05/16/2018.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyDolores
Nearest CitySlick Rock
River/StreamDisappointment Creek-tr
Coordinates37.81834, -108.34418

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length268 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage134 acre-ft
Max Storage134 acre-ft
Normal Storage79 acre-ft
Surface Area11 acres
Drainage Area2 sq mi
Max Discharge1,470 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerKEITH IVINS
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/16/2018
Emergency Action PlanNot Required

Identifiers

NID IDCO02060
Federal IDCO02060
More InfoState Dam Safety Program

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