Christensen No. 1 is an earth dam located in Johnson County, Wyoming, built in 1987. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 55 ft55 ft tall and 350 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Christensen No. 1
The primary purpose of Christensen No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Horseshoe Bar Land & Livestock (private). It impounds the Coates Draw.
The dam stands 55 feet tall and stretches 350 feet across, creates a reservoir covering 21 acres, has a storage capacity of 402 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1987, the structure is 39 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 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 05/18/2021.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Wyoming |
| County | Johnson |
| River/Stream | Coates Draw |
| Coordinates | 43.80270, -106.06500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 350 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 402 acre-ft |
| Normal Storage | 402 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Horseshoe Bar Land & Livestock |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/18/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01595 |
| Federal ID | WY01595 |
| More Info | State Dam Safety Program |