Lillie Walker Irrigation Pond Dam Reservoir Report
Nearby: Walker Reservoir 2 Wallace Ingebrand
Last Updated: December 13, 2025
Located in Amity, Oregon, the Lillie Walker Irrigation Pond Dam, also known as Walker No-1, serves as a vital structure for irrigation purposes in the area.
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Summary
Owned privately, this earth dam was completed in 1969 and has a height of 10 feet and a length of 2056 feet. With a storage capacity of 127 acre-feet and a normal storage level of 98 acre-feet, this dam plays a crucial role in water resource management in the region.
Managed by the USDA NRCS, the Lillie Walker Irrigation Pond Dam is situated along the Tr- Yamhill River S-Os. Despite its low hazard potential, the condition assessment for this dam is currently not available. The dam does not have a spillway, but it does have outlet gates with a spillway width of 10 feet. While the last inspection date and inspection frequency are not provided, the dam stands as a testament to the importance of water infrastructure for agricultural activities in the area.
Although lacking certain data points such as the condition assessment and emergency action plan status, the Lillie Walker Irrigation Pond Dam remains a crucial asset for water supply and management in Polk County, Oregon. As climate change continues to impact water resources, the role of structures like this dam becomes increasingly significant in ensuring sustainable irrigation practices for agricultural lands in the region.
Year Completed |
1969 |
Dam Length |
2056 |
Dam Height |
10 |
River Or Stream |
Tr- Yamhill River S -Os |
Primary Dam Type |
Earth |
Nid Storage |
127 |
Hazard Potential |
Low |
Nid Height |
10 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
South Yamhill River At Mcminnville
|
8310cfs |
Willamette River At Salem
|
35800cfs |
Luckiamute River Near Suver
|
3790cfs |
Willamette River At Newberg
|
52600cfs |
Tucca Creek Near Blaine
|
123cfs |
Zollner Creek Near Mt Angel
|
320cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Lillie Walker Irrigation Pond Dam