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 76100 of 1,093

Dam NameHeight (ft)YearHazardCondition
Bethany Forebay

Alameda County

951961HighSatisfactory
Bevanda

Calaveras County

291925SignificantSatisfactory
Bevans Creek

Mendocino County

511955HighSatisfactory
Bidwell Lake

Plumas County

351865HighSatisfactory
Big Bend

Butte County

61LowSatisfactory
Big Canyon

Orange County

651959HighSatisfactory
Big Canyon Creek

El Dorado County

631935LowSatisfactory
Big Creek

Tuolumne County

1201969HighSatisfactory
Big Creek Dam No. 4

Fresno County

751913LowSatisfactory
Big Creek Dam No. 5

Fresno County

601921SignificantSatisfactory
Big Creek Dam No. 6

Madera County

1551923HighSatisfactory
Big Creek Dam No. 7

Madera County

2501951HighSatisfactory
Big Dalton

Los Angeles County

1531929HighSatisfactory
Big Dalton Debris Basin

Los Angeles County

591960HighSatisfactory
Big Dobe North

Modoc County

91912LowSatisfactory
Big Dobe South

Modoc County

111912LowSatisfactory
Big Dry Creek

Fresno County

501948HighSatisfactory
Big Four Ranch

Kern County

381970SignificantSatisfactory
Big Johnson

Modoc County

181959LowSatisfactory
Big Lagoon

Humboldt County

161947LowSatisfactory
Big Pine Creek

Inyo County

14HighSatisfactory
Big Rock Ranch

Marin County

452002HighSatisfactory
Big Sage

Modoc County

491921HighSatisfactory
Big Santa Anita

Los Angeles County

2251927HighSatisfactory
Big Tujunga No. 1

Los Angeles County

2201931HighSatisfactory
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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.