Upper Loop Reservoir, located in Malaga, Washington, is a private irrigation reservoir completed in 2015 with a storage capacity of 118 acre-feet.
Wind
Humidity
The dam, primarily used for irrigation purposes, is an earth-filled structure with a hydraulic height of 46.5 feet and a structural height of 39.5 feet. The reservoir is situated off-stream on the Tr-Stemilt river and is regulated by the Washington Department of Ecology, ensuring regular inspections, permitting, and enforcement to maintain its safety and functionality.
With a hazard potential rated as high, Upper Loop Reservoir has a satisfactory condition assessment as of the last inspection in September 2020. The emergency action plan was last revised in July 2015, and the reservoir meets regulatory guidelines for safety. The reservoir plays a crucial role in water management and irrigation in the region, highlighting the importance of sustainable water resource management in the face of changing climate patterns. As a key infrastructure in the area, Upper Loop Reservoir demonstrates the intersection of water resource management, climate resilience, and regulatory oversight in ensuring the safety and functionality of essential water storage facilities.
Year Completed |
2015 |
Dam Length |
1200 |
River Or Stream |
Off stream, Tr- Stemilt |
Primary Dam Type |
Earth |
Hydraulic Height |
46.5 |
Nid Storage |
118 |
Structural Height |
39.5 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
47 |
Wenatchee River At Monitor
|
12000cfs |
Entiat River Near Entiat
|
1050cfs |
Wenatchee River At Peshastin
|
11200cfs |
Icicle Creek Above Snow Creek Near Leavenworth
|
1750cfs |
Mad River At Ardenvoir
|
197cfs |
Yakima River At Umtanum
|
4720cfs |