Boggs And Warren Reservoir Report
Last Updated: December 13, 2025
Boggs and Warren is a privately owned water supply dam located in Modoc, California, along the East Sand Creek.
°F
°F
mph
Wind
%
Humidity
Summary
Completed in 1922, this earth dam stands at a height of 12 feet and has a storage capacity of 1058 acre-feet. The primary purpose of this structure is for irrigation and water supply, serving the surrounding area with a surface area of 180 acres and a drainage area of 3.7 square miles.
Managed by the California Department of Water Resources and regulated by the Safety of Dams agency, Boggs and Warren has a low hazard potential and is in satisfactory condition as of the last assessment in September 2017. The dam is inspected annually, with the last inspection conducted in August 2019. Situated in a region with a climate susceptible to fluctuations in water resources, this dam plays a crucial role in ensuring a stable water supply for agricultural and domestic use in the area.
Owned by a private entity, Boggs and Warren is an essential infrastructure contributing to water resource management in the region. With its historical significance dating back almost a century, this dam continues to provide valuable water supply for irrigation and other purposes, highlighting the importance of sustainable water management practices in the face of changing climate conditions.
Year Completed |
1922 |
Dam Length |
1000 |
Dam Height |
12 |
River Or Stream |
East Sand Creek |
Primary Dam Type |
Earth |
Surface Area |
180 |
Hydraulic Height |
7.5 |
Drainage Area |
3.7 |
Nid Storage |
1058 |
Hazard Potential |
Low |
Nid Height |
12 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Sf Pit R Nr Likely Ca
|
7cfs |
Pit R Nr Canby Ca
|
63cfs |
Mahogany Creek Near Summit Lake
|
2cfs |
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.
Boggs And Warren