Bob Crowder Detention Dam Reservoir Report

Last Updated: January 11, 2026

Bob Crowder Detention Dam, also known as Bob Crowder Memorial Dam, is a federal-owned structure located in La Paz, Arizona.


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Summary

Built in 1963 by the Bureau of Land Management, this gravity-type dam stands at a hydraulic height of 24 feet and a structural height of 27 feet. It spans 3,067 feet in length and has a storage capacity of 1,167.98 acre-feet, with a normal storage level of 621.16 acre-feet. The dam is situated on the Upper Bouse Wash, serving a primary purpose other than flood control.

Managed by the Bureau of Land Management, Bob Crowder Detention Dam has a low hazard potential and has not been rated for its condition. Despite its age, the dam has withstood the test of time and continues to serve its intended purpose effectively. The dam's last inspection was conducted in April 2006, with a scheduled inspection frequency of every 5 years. The dam does not have an Emergency Action Plan in place, but its low hazard potential suggests minimal risk to surrounding areas in the event of a failure.

With its picturesque location and vital role in managing water resources in the region, Bob Crowder Detention Dam stands as a testament to engineering excellence and sustainable water management practices. As climate change continues to impact water availability and extreme weather events become more frequent, structures like Bob Crowder Detention Dam play a crucial role in mitigating flood risks and ensuring the safety of communities downstream. As we look towards the future, maintaining and monitoring the integrity of such dams will be essential in safeguarding our water resources and adapting to a changing climate.

Year Completed

1963

Dam Length

3067

River Or Stream

UPPER BOUSE WASH

Primary Dam Type

Gravity

Surface Area

103.67

Hydraulic Height

24

Drainage Area

48

Nid Storage

1167.98

Structural Height

27

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

27
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.