French

French is an earth dam located in Crook County, Wyoming, built in 1953. It carries a Significant hazard potential classification and has a fair condition assessment.

About French

The primary purpose of French is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Rauth Ranches, Inc. (private). It impounds the Morris Draw near Alva.

The dam stands 37 feet tall and stretches 264 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1953, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/24/2024.

At 37 feet, this dam is taller than 84% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyCrook
Nearest CityAlva
River/StreamMorris Draw
Coordinates44.69417, -104.42111

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height37 ft
Dam Length264 ft
Year Completed1953 (73 years old)

Storage & Hydraulics

NID Storage68 acre-ft
Max Storage68 acre-ft
Normal Storage37 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge1,767 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerRAUTH RANCHES, INC.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/24/2024
Emergency Action PlanNot Required

Identifiers

NID IDWY01035
Federal IDWY01035
More InfoState Dam Safety Program

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