Cow Creek Lake

Cow Creek Lake is an earth dam located in Carbon County, Wyoming, built in 1941. It carries a High hazard potential classification and has a fair condition assessment.

About Cow Creek Lake

The primary purpose of Cow Creek Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Silver Spur Land & Cattle, Llc. (private). It impounds the Cow Creek near Saratoga.

The dam stands 28 feet tall and stretches 550 feet across, creates a reservoir covering 44 acres, has a maximum storage capacity of 887 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1941, the structure is well-established, with more than 75 years of service.

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 07/29/2024.

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 Wyoming 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

StateWyoming
CountyCarbon
Nearest CitySaratoga
River/StreamCow Creek
Coordinates41.17776, -106.96968

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length550 ft
Year Completed1941 (85 years old)

Storage & Hydraulics

NID Storage887 acre-ft
Max Storage887 acre-ft
Normal Storage649 acre-ft
Surface Area44 acres
Drainage Area8 sq mi
Max Discharge1,733 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerSILVER SPUR LAND & CATTLE, LLC.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/29/2024
Emergency Action PlanYes

Identifiers

NID IDWY00068
Federal IDWY00068
More InfoState Dam Safety Program

Nearby Dams