Adobe Reservoir Report
Nearby: Thunderbird Park Reservoir New River
Last Updated: December 25, 2025
Located in Maricopa, Arizona, the Adobe dam serves as a crucial flood risk reduction structure along the Skunk Creek/New River.
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Summary
Built in 1982, this earth dam stands at a height of 65.3 feet and has a maximum storage capacity of 61,000 acre-feet. With a drainage area of 89.6 square miles and a spillway width of 36 feet, the dam plays a vital role in mitigating flood hazards in the region.
Managed by the Arizona Department of Water Resources, the Adobe dam is subject to state regulations, inspections, and enforcement to ensure its safety and effectiveness. Despite its high hazard potential, the dam's condition is assessed as satisfactory, with the last inspection conducted in March 2021. With a risk assessment rating of moderate (3), the dam's risk management measures are crucial in maintaining its functionality and protecting surrounding communities from potential flooding events.
Ensuring the Adobe dam's continued operation and safety is essential for water resource and climate enthusiasts. By adhering to regulatory guidelines, conducting regular inspections, and implementing risk management measures, this flood risk reduction structure plays a key role in safeguarding the local area from the impacts of extreme weather events and preserving valuable water resources for future generations.
Year Completed |
1982 |
Dam Length |
11220 |
Dam Height |
65.3 |
River Or Stream |
SKUNK CREEK/NEW RIVER |
Primary Dam Type |
Earth |
Surface Area |
1320 |
Hydraulic Height |
40.1 |
Drainage Area |
89.6 |
Nid Storage |
61000 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
65 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Adobe