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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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | None |
| River/Stream | Road Draw, Trib Crazy Woman Cr |
| Coordinates | 44.08639, -106.61861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 335 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 11 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ZEZAS, JOHN & SON RANCH INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/28/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01950 |
| Federal ID | WY01950 |
| More Info | State Dam Safety Program |