Experiment Station
Experiment Station is an earth dam located in Laramie County, Wyoming, built in 1932. It carries a Low hazard potential classification and has a fair condition assessment.
About Experiment Station
The primary purpose of Experiment Station is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Cheyenne-bopu (local government). It impounds the Crow Creek Offstream near Cheyenne.
The dam stands 23 feet tall and stretches 711 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 320 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1932, the structure is well-established, with more than 75 years of service.
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 07/15/2025.
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Location
| State | Wyoming |
| County | Laramie |
| Nearest City | Cheyenne |
| River/Stream | Crow Creek Offstream |
| Coordinates | 41.19000, -104.89667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 711 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Normal Storage | 103 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF CHEYENNE-BOPU |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/15/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00013 |
| Federal ID | WY00013 |
| More Info | State Dam Safety Program |