Hainie Reservoir in Montana, managed by the USDA NRCS, was completed in 1942 and serves multiple purposes including fire protection, stock watering, and small fish pond.
Wind
Humidity
With a dam height of 19 feet and a storage capacity of 88 acre-feet, this earth dam on Lost Creek provides crucial water resources for the surrounding area. The reservoir has a low hazard potential and a moderate risk assessment rating.
Located in McCone County near the city of Poplar, Hainie Reservoir is regulated by the Montana Department of Natural Resources and Conservation (DNRC). The reservoir has a spillway width of 50 feet and a maximum discharge capacity of 500 cubic feet per second. Despite not being rated for its condition, the reservoir is inspected, permitted, and enforced by state agencies to ensure its safety and functionality for water resource management and climate resilience in the region.
For water resource and climate enthusiasts, Hainie Reservoir offers a fascinating study in sustainable water management practices and the importance of small-scale reservoirs in supporting local agriculture, wildlife, and emergency preparedness. With its historic significance, diverse uses, and state-regulated operation, Hainie Reservoir stands as a testament to the vital role of water infrastructure in maintaining ecological balance and community resilience in Montana.
Year Completed |
1942 |
Dam Length |
1122 |
Dam Height |
19 |
River Or Stream |
LOST CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
19 |
Drainage Area |
3.13 |
Nid Storage |
88 |
Hazard Potential |
Low |
Nid Height |
19 |
Redwater River At Circle Mt
|
1cfs |
Nelson Creek Near Van Norman Mt
|
33cfs |
Missouri River Near Wolf Point Mt
|
5020cfs |
Milk River At Nashua Mt
|
233cfs |
Poplar River Near Poplar Mt
|
28cfs |
Yellowstone River At Glendive Mt
|
6000cfs |