Harrison No.1 is a privately owned earth dam located in Custer, South Dakota, along the TR-CHEYENNE river.
Wind
Humidity
Built in 1959, this dam stands at a height of 23 feet and has a length of 450 feet, providing a maximum storage capacity of 92 acre-feet. Despite its low hazard potential, the dam is regulated and inspected by the South Dakota Department of Environment and Natural Resources, ensuring its safety and compliance with state regulations.
Managed by the Natural Resources Conservation Service, Harrison No.1 plays a crucial role in water resource management in the region. With a normal storage capacity of 53 acre-feet and a maximum discharge of 2100 cubic feet per second, this dam serves as a vital structure for maintaining water supply and flood control along the TR-CHEYENNE river. While the dam's condition assessment is currently listed as "Not Rated," regular inspections and enforcement by state authorities help to ensure its continued functionality and safety for the surrounding community.
As a key component of the local water infrastructure, Harrison No.1 contributes to the overall resiliency of the area in the face of changing climate patterns. Its presence underscores the importance of proactive dam management and emergency preparedness in safeguarding water resources and mitigating potential risks. With a commitment to regulatory compliance and safety measures, this dam serves as a valuable asset for water resource and climate enthusiasts alike.
Year Completed |
1959 |
Dam Length |
450 |
Dam Height |
23 |
River Or Stream |
TR-CHEYENNE |
Primary Dam Type |
Earth |
Hydraulic Height |
23 |
Nid Storage |
92 |
Hazard Potential |
Low |
Nid Height |
23 |