J & H Ranch No.
Wind
Humidity
1, located in Sheridan, Wyoming, is a privately owned earth dam completed in 1959 for fire protection, stock, and small fish pond purposes. The dam stands at 30 feet high with a hydraulic height of 25 feet and a length of 238 feet. Despite its low hazard potential, the dam is in poor condition, last assessed in 2017, and has a moderate risk rating of 3.
Situated on Hanft Draw, a river/stream, the dam has a storage capacity of 37 acre-feet and a surface area of 3 acres. It features an uncontrolled spillway with a width of 16 feet and no outlet gates. The dam is under state jurisdiction and regulation, with permitting, inspection, and enforcement conducted by the Wyoming State Engineer's Office. The inspection frequency is set at 5 years, with the last assessment conducted in September 2017.
For water resource and climate enthusiasts, J & H Ranch No. 1 presents a unique case study in dam management and maintenance. With its historical significance dating back to the late 1950s, the dam serves multiple purposes while facing challenges in its structural integrity. The risk assessment highlights the importance of regular inspections and upkeep to ensure the safety and functionality of this key water resource infrastructure in the region.
Year Completed |
1959 |
Dam Length |
238 |
Dam Height |
30 |
River Or Stream |
HANFT DRAW |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
25 |
Nid Storage |
37 |
Structural Height |
30 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
Tongue River Near Dayton
|
48cfs |
Tongue River At Monarch
|
383cfs |
Goose Creek Near Acme
|
123cfs |
East Pass Creek Near Dayton
|
12cfs |
West Pass Creek Near Parkman
|
10cfs |
Prairie Dog Creek Near Acme
|
19cfs |
| Location | Reservations | Toilets |
|---|---|---|
Tongue River Camp - Amsden Creek WMA
|
||
Connor Battlefield State Park
|
||
Tongue Canyon Campground
|
||
Sibley Lake Campground
|
||
Sibley Lake
|