Pine Flat Dam Reservoir Report

Last Updated: December 5, 2025

Pine Flat Dam is located in California's Central Valley and was built in 1954 by the U.S.


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Summary

Army Corps of Engineers to control floodwaters and provide irrigation water for agriculture. The dam impounds the Kings River to create Pine Flat Lake, which has become a popular spot for boating, fishing, and camping. The hydrology of the area is heavily influenced by the snowpack in the Sierra Nevada Mountains, which provides a significant source of water for the dam during the spring melt. The Kings River Watershed also contributes to the dam's water supply, with several tributaries flowing into the main stem. Pine Flat Dam is critical for supporting agriculture in the Central Valley, with water from the dam being used to irrigate crops such as almonds, citrus, and grapes.

Reservoir Details

Storage 24hr Change -1.3%
Percent of Normal 265%
Minimum 111,270.0 acre-ft
2014-08-24
Maximum 998,852.0 acre-ft
2017-06-27
Average 296,089 acre-ft
Dam_Height 412
Hydraulic_Height 424
Drainage_Area 1542
Year_Completed 1954
Nid_Storage 1000000
Hazard_Potential High
Structural_Height 440
River_Or_Stream KINGS RIVER
Foundations Rock
Surface_Area 5970
Dam_Length 1840
Primary_Dam_Type Gravity
Nid_Height 440
       
Seasonal Comparison
Storage Levels
Pool Elevation Levels
Top Conserv Storage Levels
Inflow Levels

Weather Forecast

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.