H & H Reservoir Dam No 1, located in Chelan, Washington, was completed in 1926 and serves as a vital water supply source for the area.
Wind
Humidity
This privately-owned earth dam stands at a height of 19 feet and has a storage capacity of 60 acre-feet, with a normal storage level of 50 acre-feet. It is situated on Tr-Squilchuck Creek and covers a surface area of 6.1 acres, with a drainage area of 0.08 square miles.
Managed by the Washington Department of Ecology, the dam is regulated and inspected regularly to ensure its structural integrity and compliance with safety standards. Despite its high hazard potential, the condition assessment conducted in June 2021 deemed it satisfactory. With a maximum discharge capacity of 100 cubic feet per second, the dam plays a critical role in providing water for irrigation, recreation, and domestic use in the region.
The H & H Reservoir Dam No 1 serves as a key infrastructure for the sustainable management of water resources in the area. With its historical significance and continued contribution to water supply and recreational activities, this dam stands as a testament to the importance of proper dam maintenance and regulation in the face of changing climate conditions.
Year Completed |
1926 |
Dam Length |
800 |
River Or Stream |
Tr-Squilchuck Creek |
Primary Dam Type |
Earth |
Surface Area |
6.1 |
Hydraulic Height |
19 |
Drainage Area |
0.08 |
Nid Storage |
60 |
Structural Height |
19 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
19 |
Wenatchee River At Monitor
|
16400cfs |
Wenatchee River At Peshastin
|
15200cfs |
Icicle Creek Above Snow Creek Near Leavenworth
|
2190cfs |
Entiat River Near Entiat
|
1240cfs |
Mad River At Ardenvoir
|
217cfs |
Wenatchee River At Plain
|
11700cfs |
| Location | Reservations | Toilets |
|---|---|---|
Squilchuck State Park Campground
|
||
Tronsen
|
||
Wenatchee Confluence State Park
|
||
Lion Rock Spring
|
||
Wenatchee River County Park
|
||
Swauk
|