Billingsley #2 Reservoir Report
Nearby: Billingsley #4 Billingsley #3
Last Updated: December 28, 2025
Billingsley #2 is a privately owned dam located in Congress, Arizona, along Martinez Creek.
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Summary
Built in 1946, this earth dam serves multiple purposes including fire protection, stock watering, small fish pond, fish and wildlife habitat, and irrigation. With a primary height of 22 feet and a storage capacity of 243.8 acre-feet, this structure plays a significant role in supporting the local ecosystem and water needs.
Managed by the Arizona Department of Water Resources, Billingsley #2 is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality. Despite being rated as having a low hazard potential, the dam is considered to have a moderate risk level, indicating the need for ongoing risk assessment and management measures. The dam's inspection frequency is every 5 years, with the last inspection conducted in February 2010.
With its strategic location in Yavapai County and its contribution to the region's water resources, Billingsley #2 stands as a vital infrastructure for both wildlife conservation and water supply management. Its presence along Martinez Creek underscores the importance of maintaining and monitoring such structures to safeguard against potential risks and ensure sustainable water management practices in the area.
Year Completed |
1946 |
Dam Length |
160 |
Dam Height |
22 |
River Or Stream |
MARTINEZ CREEK |
Primary Dam Type |
Earth |
Surface Area |
24.9 |
Hydraulic Height |
18 |
Drainage Area |
3 |
Nid Storage |
243.8 |
Structural Height |
25 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
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.
Billingsley #2