Coon Creek #1

Coon Creek #1 is an earth dam located in Mesa County, Colorado, built in 1900. It carries a High hazard potential classification and has a fair condition assessment.

About Coon Creek #1

The primary purpose of Coon Creek #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ute Water Conservancy District (private). It impounds the Coon Creek near Mesa.

The dam stands 19 feet tall and stretches 690 feet across, creates a reservoir covering 60 acres, and has a maximum storage capacity of 557 acre-feet. Completed in 1900, 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 07/29/2022.

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 CityMesa
River/StreamCoon Creek
Coordinates39.06211, -108.05721

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length690 ft
Year Completed1900 (126 years old)

Storage & Hydraulics

NID Storage557 acre-ft
Max Storage557 acre-ft
Normal Storage484 acre-ft
Surface Area60 acres
Max Discharge214 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerUTE WATER CONSERVANCY DISTRICT
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/29/2022
Emergency Action PlanYes

Identifiers

NID IDCO00949
Federal IDCO00949
More InfoState Dam Safety Program

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