Dies Irae is a private dam located in Chouteau, Montana, along the Little Sand Creek.
Wind
Humidity
Built in 1961 by the USDA NRCS, this earth dam stands at a height of 25 feet and stretches 800 feet in length, serving primarily for irrigation purposes. With a storage capacity of 93 acre-feet, Dies Irae plays a crucial role in supporting agricultural activities in the region.
Managed by the DNRC and regulated by the state of Montana, Dies Irae has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. While the dam has not been inspected recently, it falls under state jurisdiction with regular inspections, permitting, and enforcement procedures in place to ensure its safety and compliance. With a maximum discharge capacity of 180 cubic feet per second and a spillway width of 40 feet, Dies Irae is equipped to handle potential water flow during peak times.
Although the dam does not have an Emergency Action Plan (EAP) in place or updated inundation maps, it meets guidelines for risk management measures. As a vital water resource infrastructure in the area, Dies Irae contributes to the efficient use of water for irrigation activities while adhering to state regulations and safety standards.
Year Completed |
1961 |
Dam Length |
800 |
Dam Height |
25 |
River Or Stream |
LITTLE SAND CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
25 |
Drainage Area |
0.09 |
Nid Storage |
93 |
Hazard Potential |
Low |
Nid Height |
25 |