California Dams

1,436 dams tracked by the National Inventory of Dams

Total Dams

1,436

High Hazard

821

57.2%

Poor / Unsatisfactory

66

Average Age

77 yrs

Hazard Classification

High821 (57.2%)
Significant160 (11.1%)
Low455 (31.7%)

Condition Assessment

Satisfactory1,093 (76.1%)
Fair106 (7.4%)
Poor / Unsatisfactory66 (4.6%)
Not Rated171 (11.9%)

Federal

163

State

50

Local

322

Private

617

Poor Condition Dams

All Dams in California

Showing 101106 of 106

Dam NameHeight (ft)YearHazardCondition
Beardsley

Tuolumne County

2841957HighFair
Bassett Brown

Napa County

361990SignificantFair
Barrett

San Diego County

1611922HighFair
Araujo Reservoir No. 2

Napa County

331950HighFair
Araujo Reservoir No. 1

Napa County

391950HighFair
Annadel No. 1

Sonoma County

671956HighFair
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.