Zezas

Zezas is an earth dam located in Johnson County, Wyoming, built in 1958. It carries a Low hazard potential classification and has a poor condition assessment.

About Zezas

The primary purpose of Zezas is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Zezas, John & Son Ranch Inc. (private). It impounds the Road Draw, Trib Crazy Woman Cr.

The dam stands 25 feet tall and stretches 335 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 128 acre-feet. Completed in 1958, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/28/2025.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyJohnson
Nearest CityNone
River/StreamRoad Draw, Trib Crazy Woman Cr
Coordinates44.08639, -106.61861

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length335 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage128 acre-ft
Max Storage128 acre-ft
Normal Storage73 acre-ft
Surface Area11 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerZEZAS, JOHN & SON RANCH INC.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection05/28/2025
Emergency Action PlanNot Required

Identifiers

NID IDWY01950
Federal IDWY01950
More InfoState Dam Safety Program

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