Snyder No. 1 is an earth dam located in Big Horn County, Wyoming, built in 1995. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 1,200 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Snyder No. 1
The primary purpose of Snyder 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 Jerry W. Snyder (private). It impounds the Emblem Dr, Trib. Greybull Riv. near Greybull.
The dam stands 21 feet tall and stretches 1,200 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 597 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1995, the structure is 31 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 04/21/2020.
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Location
| State | Wyoming |
| County | Big Horn |
| Nearest City | Greybull |
| River/Stream | Emblem Dr, Trib. Greybull Riv. |
| Coordinates | 44.42940, -108.16970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 597 acre-ft |
| Max Storage | 597 acre-ft |
| Normal Storage | 333 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 186 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jerry W. Snyder |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/21/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01988 |
| Federal ID | WY01988 |
| More Info | State Dam Safety Program |