Hatfield (Spaulding) Reservoir Report
Nearby: Pearson Reservoir Twigg Reservoir
Last Updated: December 13, 2025
Hatfield (Spaulding) reservoir, also known as Spaulding Reservoir, is a privately owned dam located in Scholls, Oregon.
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Summary
Completed in 1955, the earth dam stands at a height of 33 feet and serves primarily for irrigation purposes. With a storage capacity of 29 acre-feet and a surface area of 2.45 acres, the reservoir is situated on the South Fork Campbell Creek, within the jurisdiction of the Oregon Water Resources Department.
Despite its low hazard potential, the dam has not been rated for its condition and was last inspected in September 2005. The reservoir is regulated by the state and falls under the supervision of the Oregon Natural Resources Conservation Service. Its location in Washington County, Oregon, showcases the vital role it plays in water resource management and agricultural irrigation within the region. Overall, Hatfield (Spaulding) reservoir stands as a testament to the importance of sustainable water infrastructure in the face of changing climatic conditions.
Year Completed |
1955 |
Dam Length |
180 |
Dam Height |
33 |
River Or Stream |
SOUTH FORK CAMBELL CREEK |
Primary Dam Type |
Earth |
Surface Area |
2.45 |
Hydraulic Height |
31 |
Drainage Area |
0.78 |
Nid Storage |
29 |
Structural Height |
33 |
Hazard Potential |
Low |
Nid Height |
33 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Tualatin River Near Dilley
|
1130cfs |
Willamette River At Newberg
|
52600cfs |
Fanno Creek At Durham
|
36cfs |
Fanno Creek At 56th Ave
|
3cfs |
Tryon Creek Blw Nettle Creek
|
11cfs |
South Yamhill River At Mcminnville
|
8310cfs |
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.
Hatfield (Spaulding)