Valana K Reservoir No. 1

Valana K Reservoir No. 1 is an earth dam located in Pitkin County, Colorado, built in 1972. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.

About Valana K Reservoir No. 1

The primary purpose of Valana K Reservoir No. 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Willis, Ian (private). It impounds the East Sopris near Basalt.

The dam stands 19 feet tall and stretches 190 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 05/15/2017.

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Significant HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyPitkin
Nearest CityBasalt
River/StreamEast Sopris
Coordinates39.32307, -107.03363

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length190 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage34 acre-ft
Max Storage34 acre-ft
Normal Storage10 acre-ft
Surface Area2 acres
Drainage Area20 sq mi
Max Discharge1,316 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerWILLIS, IAN
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentUnsatisfactory
Last Inspection05/15/2017
Emergency Action PlanYes

Identifiers

NID IDCO02946
Federal IDCO02946
More InfoState Dam Safety Program

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