Momtazi - Reservoir #2, also known as Oldsville Road Dam, is a privately owned earth dam located in Yamhill, Oregon.
Wind
Humidity
Built in 2000 by H & R Engineering, this dam stands at a height of 39 feet and has a storage capacity of 81 acre-feet. Despite being classified as having a low hazard potential, it is regulated and inspected by the Oregon Water Resources Department.
Situated on the unnamed tributary of the South Yamhill River, Momtazi - Reservoir #2 serves a primary purpose of "Other" and features a slide (sluice gate) outlet gate for water release. The dam does not have a spillway, but its uncontrolled spillway type suggests a carefully managed water discharge system. While the condition assessment of the dam is currently listed as "Not Rated," its risk assessment is moderate, indicating a need for ongoing monitoring and management.
For water resource and climate enthusiasts, Momtazi - Reservoir #2 presents an intriguing case study in private dam ownership and regulation. With its unique design and operational features, this earth dam offers a glimpse into the complexities of managing water resources in Oregon. As stakeholders work to ensure the safety and sustainability of this structure, it serves as a reminder of the vital role that dams play in our environment and communities.
Year Completed |
2000 |
Dam Height |
39 |
River Or Stream |
UNNAMED, TRIB/SOUTH YAMHILL RIVER |
Primary Dam Type |
Earth |
Nid Storage |
81 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
39 |
South Yamhill River At Mcminnville
|
8310cfs |
Tucca Creek Near Blaine
|
123cfs |
Willamette River At Newberg
|
52600cfs |
Willamette River At Salem
|
35800cfs |
Zollner Creek Near Mt Angel
|
320cfs |
Tualatin River Near Dilley
|
1130cfs |