Cottonwood #1

Cottonwood #1 is an earth dam located in Mesa County, Colorado, built in 1894. It carries a High hazard potential classification and has a fair condition assessment.

About Cottonwood #1

The primary purpose of Cottonwood #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Cottonwood Res Company (currier, President, Carlyl (private). It impounds the Cottonwood Creek near Molina.

The dam stands 31 feet tall and stretches 410 feet across, creates a reservoir covering 105 acres, has a maximum storage capacity of 2,393 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1894, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/20/2021.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Colorado dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyMesa
Nearest CityMolina
River/StreamCottonwood Creek
Coordinates39.07501, -107.97057

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length410 ft
Year Completed1894 (132 years old)

Storage & Hydraulics

NID Storage2,393 acre-ft
Max Storage2,393 acre-ft
Normal Storage1,902 acre-ft
Surface Area105 acres
Drainage Area2 sq mi
Max Discharge426 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerCOTTONWOOD RES COMPANY (CURRIER, PRESIDENT, CARLYL
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection10/20/2021
Emergency Action PlanYes

Identifiers

NID IDCO01754
Federal IDCO01754
More InfoState Dam Safety Program

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