Thompson No 2 is a privately-owned irrigation structure located in Idaho, specifically in Clearwater County.
Wind
Humidity
Completed in 1970, this earth dam stands at a height of 18.5 feet and has a storage capacity of 14.6 acre-feet, serving the primary purpose of irrigation. The dam is built with a core of stone and rests on rock and soil foundations, with a surface area of 2.25 acres and a drainage area of 0.1 square miles.
With a significant hazard potential and fair condition assessment, Thompson No 2 is regulated by the Idaho Department of Water Resources. The dam's spillway type is uncontrolled, with a maximum discharge of 1 cubic foot per second. Despite its moderate risk assessment rating, the dam has not undergone any significant modifications since its completion. The last inspection in October 2016 revealed a fair condition, indicating the need for continued monitoring and maintenance of this vital water resource structure in the region.
For water resource and climate enthusiasts, Thompson No 2 offers a fascinating glimpse into the intricate infrastructure supporting irrigation in Idaho. As a crucial component of the local water management system, this dam plays a vital role in ensuring efficient water distribution for agricultural purposes. With its strategic location on the Spring Clearwater River, Thompson No 2 stands as a testament to the ingenuity and engineering prowess involved in harnessing water resources for sustainable development in the region.
Year Completed |
1970 |
Dam Length |
480 |
Dam Height |
18.5 |
River Or Stream |
SPRING CLEARWATER RIVER |
Surface Area |
2.25 |
Hydraulic Height |
16.2 |
Drainage Area |
0.1 |
Nid Storage |
14.6 |
Hazard Potential |
Significant |
Foundations |
Rock, Soil |
Nid Height |
19 |
Clearwater River Nr Peck Id
|
15600cfs |
Big Canyon Creek Nr Peck Id
|
74cfs |
Clearwater River At Orofino Id
|
7970cfs |
Lolo Creek Nr Greer Id
|
771cfs |
Potlatch River Bel Little Potlatch Cr Nr Spalding
|
414cfs |
Lapwai Creek Nr Lapwai Id
|
81cfs |
| Location | Reservations | Toilets |
|---|---|---|
Pink House Recreation Site
|
||
Damascus Group Camp
|
||
Cold Springs Group Camp
|