Albertson S Reservoir (Malheur) (Lagoon) Reservoir Report
Nearby: Amalgamated Sugar Surmeier
Last Updated: December 13, 2025
Albertson S Reservoir in Malheur County, Oregon, is a private irrigation reservoir completed in 1976 with a primary purpose of irrigation.
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Summary
Located in Nyssa, the reservoir is fed by feedlot runoff and has a drainage area of 0.2 square miles. With a dam height of 19 feet and a storage capacity of 105 acre-feet, the reservoir covers 4 acres and has a maximum discharge of 185 cubic feet per second.
Despite its low hazard potential, the reservoir is regulated by the Oregon Water Resources Department and undergoes regular inspections. The structure is primarily earth-filled and stands at a structural height of 21.5 feet. While the condition assessment is marked as "Not Rated," the reservoir's emergency action plan status and risk assessment information are not provided in the data. The last inspection was conducted in July 2014, with a frequency of every 6 years.
Located within the Portland District of the US Army Corps of Engineers, Albertson S Reservoir plays a crucial role in supporting agricultural irrigation in the region. Its strategic positioning and reliable water supply contribute to the sustainable management of water resources in Malheur County. With its longstanding history and essential role in the local irrigation infrastructure, this reservoir serves as a vital asset for water resource and climate enthusiasts interested in understanding the dynamics of water storage and distribution in the region.
Year Completed |
1976 |
Dam Length |
948 |
Dam Height |
19 |
River Or Stream |
FEEDLOT RUNOFF |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
14 |
Drainage Area |
0.2 |
Nid Storage |
105 |
Structural Height |
21.5 |
Hazard Potential |
Low |
Nid Height |
22 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Snake River At Nyssa Or
|
7810cfs |
Malheur River Below Nevada Dam Near Vale Or
|
109cfs |
Sand Run Gulch Nr Parma Id
|
36cfs |
Boise River Nr Parma Id
|
813cfs |
Payette River Nr Payette Id
|
1970cfs |
Dixie Drain Nr Wilder Id
|
52cfs |
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.
Albertson S Reservoir (Malheur) (Lagoon)
Owyhee R