SNOFLO
 

       




POINT OF ROCK

RESERVOIR LEVELS
March 28, 2025


°F

°F

mph

Windspeed

%

Humidity

Point of Rock is a privately owned dam located in Cassia, Idaho, along Marsh Creek and the Snake River. Built in 2004, this earth dam stands at a height of 30.2 meters and has a storage capacity of 358 acre-feet. With a drainage area of 87.9 square kilometers and a spillway width of 18 meters, Point of Rock plays a significant role in managing water resources in the region.

Managed by the Idaho Department of Water Resources, Point of Rock is subject to state regulation, inspection, and enforcement to ensure its safety and compliance with standards. The dam is classified as having a significant hazard potential, but its condition was assessed as satisfactory during the last inspection in July 2017. With its primary purpose listed as "Other" and utilizing stone core types and rock and soil foundation, Point of Rock serves as a key structure for water management and flood control in the area.

Despite being privately owned, Point of Rock provides essential functions for the community and surrounding environment. With its moderate risk assessment and satisfactory condition, this dam stands as a crucial infrastructure for water resource and climate enthusiasts to monitor and support for the continued resilience of the region.

Year_Completed 2004
Dam_Height 30.2
River_Or_Stream MARSH CREEK SNAKE RIVER
Dam_Length 630
Surface_Area 42
Hydraulic_Height 23
Drainage_Area 87.9
Nid_Storage 358
Outlet_Gates Slide (sluice gate)
Hazard_Potential Significant
Foundations Rock, Soil
Nid_Height 30
       

Weather Forecast