Isaac Creek, also known as Longpre, is a private water resource located in Missoula, Montana, specifically in the city of Alberton.
Wind
Humidity
This irrigation dam, completed in 1948, stands at a height of 32 feet and serves the primary purpose of irrigation. With a storage capacity of 125 acre-feet, this earth dam plays a crucial role in managing water resources for agricultural purposes in the region.
Situated in the Seattle District, Isaac Creek has a high hazard potential but is currently assessed to be in satisfactory condition. The dam undergoes inspections every five years, with the last assessment conducted in June 2018. Despite its age, the structure continues to meet regulatory standards set by the Montana Department of Natural Resources and Conservation, with state permitting, inspection, and enforcement in place to ensure its safe operation.
With its location in a picturesque setting near the Isaac Creek, this private irrigation dam serves as a vital lifeline for the surrounding agricultural community. As water resource and climate enthusiasts, the preservation and maintenance of Isaac Creek are essential to sustaining the local ecosystem and ensuring a reliable water supply for future generations.
Year Completed |
1948 |
Dam Length |
180 |
Dam Height |
32 |
River Or Stream |
ISSAC CREEK |
Primary Dam Type |
Earth |
Surface Area |
11 |
Hydraulic Height |
21 |
Nid Storage |
125 |
Structural Height |
32 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
32 |
Clark Fork Below Missoula Mt
|
2310cfs |
Flathead River At Perma Mt
|
8540cfs |
Bitterroot River Near Missoula Mt
|
1010cfs |
Clark Fork Above Missoula Mt
|
1140cfs |
Mission Cr Ab Reservoir Nr St Ignatius Mt
|
27cfs |
South Fork Jocko River Near Arlee Mt
|
83cfs |
| Location | Reservations | Toilets |
|---|---|---|
Kreis Pond
|
||
Kreis Pond Campground
|
||
Petty Creek FAS
|