Sand Draw No. 1 Dam
Sand Draw No. 1 Dam is a gravity dam located in Natrona County, Wyoming, built in 1961. It carries a Low hazard potential classification.
About Sand Draw No. 1 Dam
The primary purpose of Sand Draw No. 1 Dam is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Doi Blm (federal). It impounds the Sand Draw.
The dam stands 34 feet tall and stretches 460 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 29 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, 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. The most recent inspection on record was 07/18/2017.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Wyoming |
| County | Natrona |
| River/Stream | Sand Draw |
| Coordinates | 42.51683, -106.40054 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 34 ft |
| Dam Length | 460 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 29 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,100 cfs |
Ownership & Safety
| Purpose | Debris Control |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/18/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01448 |
| Federal ID | WY01448 |
| More Info | State Dam Safety Program |