Lower Sunshine is a privately owned earth dam located in Park County, Wyoming, specifically in the city of Meetetse.
Wind
Humidity
Built in 1972 by designer John S. Beveman, this dam serves primarily for irrigation purposes, with secondary functions including fire protection, stock watering, and small fish pond creation. Standing at a height of 162 feet and a length of 1660 feet, Lower Sunshine has a storage capacity of 71,800 acre-feet and covers a surface area of 1049 acres.
This dam is situated on Sunshine Creek offstream and is regulated by the Wyoming State Engineer's Office. Despite being classified as having a high hazard potential, Lower Sunshine is currently assessed to be in fair condition as of May 2021. With a moderate risk assessment rating, the dam has an uncontrolled spillway with a width of 40 feet and is equipped with four valve outlet gates. Regular inspections are carried out every five years to ensure the safety and integrity of the structure, indicating a commitment to proper maintenance and risk management practices.
As a crucial water resource infrastructure in the region, Lower Sunshine plays a vital role in supporting agricultural activities and maintaining water supply for the surrounding area. With its strategic location and significant storage capacity, this dam serves as a key asset for water management and climate resilience efforts in Park County, Wyoming.
Year Completed |
1972 |
Dam Length |
1660 |
Dam Height |
162 |
River Or Stream |
SUNSHINE CREEK OFFSTREAM |
Primary Dam Type |
Earth |
Surface Area |
1049 |
Hydraulic Height |
154 |
Drainage Area |
26.5 |
Nid Storage |
71800 |
Structural Height |
162 |
Outlet Gates |
Valve - 4 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
162 |