Situated along Modesty Creek, the reservoir has a dam height of 15 feet and a storage capacity of 62 acre-feet, with a normal storage level of 32 acre-feet. With a low hazard potential, the reservoir serves as a vital water resource for agricultural purposes in the region.
Managed by the DNRC and regulated by the state of Montana, Heapby Reservoir is inspected regularly to ensure its structural integrity and safety. The reservoir's spillway has a width of 50 feet and a maximum discharge capacity of 400 cubic feet per second. Despite not having a condition assessment rating, the reservoir continues to provide essential irrigation water to surrounding farmlands while contributing to the overall water resource management in the area.
With its strategic location and important role in irrigation, Heapby Reservoir serves as a key infrastructure for water resource enthusiasts and climate advocates in Montana. The reservoir's design by the Natural Resources Conservation Service highlights the collaboration between government agencies and private owners to support sustainable water usage and agricultural practices in the region. As climate change continues to impact water availability, Heapby Reservoir stands as a testament to effective water management and conservation efforts in the state.
Year Completed |
1958 |
Dam Length |
750 |
Dam Height |
15 |
River Or Stream |
MODESTY CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Drainage Area |
16 |
Nid Storage |
62 |
Hazard Potential |
Low |
Nid Height |
15 |
| Location | Reservations | Toilets |
|---|---|---|
Racetrack
|
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Racetrack Campground and Picnic Area
|
||
Lost Creek State Park
|
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Lst Creek Campground
|
||
Orofino
|
||
Orofino Campground
|