Sandstone No.
Wind
Humidity
1 is a privately owned earth dam located in Johnson, Wyoming, along the Sandstone Draw. Completed in 2005, the dam stands at a height of 39 feet and serves multiple purposes including fire protection, stock water supply, and a small fish pond. With a storage capacity of 74 acre-feet and a surface area of 3.85 acres, the dam plays a crucial role in water resource management in the area.
The dam's low hazard potential and fair condition assessment make it a reliable structure for the local community. Equipped with a valve outlet gate and an uncontrolled spillway, Sandstone No. 1 has undergone regular inspections, with the last assessment conducted in September 2017. The dam is regulated, permitted, inspected, and enforced by the Wyoming regulatory agencies, ensuring its safety and compliance with state standards.
Despite its moderate risk assessment, Sandstone No. 1 continues to provide essential water resources for fire protection, livestock, and recreational fishing. Its strategic location and design make it a valuable asset for water supply and management in the region, showcasing the importance of effective dam infrastructure for climate resilience and water security.
Year Completed |
2005 |
Dam Length |
392 |
Dam Height |
39 |
River Or Stream |
SANDSTONE DRAW |
Primary Dam Type |
Earth |
Surface Area |
3.85 |
Hydraulic Height |
34 |
Drainage Area |
0.22 |
Nid Storage |
74 |
Structural Height |
39 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
39 |
Wild Horse Creek Near Arvada
|
0cfs |
Powder River At Arvada
|
180cfs |
Clear Creek Near Buffalo
|
18cfs |
Piney Creek At Kearny
|
113cfs |
Rock Creek Near Buffalo
|
70cfs |
Stonepile Creek At Mouth
|
3cfs |