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 821

Dam NameHeight (ft)YearHazardCondition
B. J. Robinson

Napa County

461957HighSatisfactory
Blackburn

Kern County

481991HighSatisfactory
Black Butte Dam

Tehama County

1561963HighNot Available
Black Mountain Water Tank

San Diego County

552002HighSatisfactory
Blanchard Debris Basin

Los Angeles County

501966HighSatisfactory
Blanchard-Offner

Napa County

471963HighSatisfactory
Blossom Valley Reservoir

San Diego County

421962HighSatisfactory
Blue Lake

Nevada County

251856HighSatisfactory
Boca Dam

Nevada County

1161939HighNot Available
Bon Tempe

Marin County

981949HighSatisfactory
Bottoms

Lake County

471990HighSatisfactory
Bouquet Canyon

Los Angeles County

1901934HighFair
Bowman Main

Nevada County

1751926HighSatisfactory
Box Canyon

Siskiyou County

2201970HighSatisfactory
Box Springs

Riverside County

491960HighSatisfactory
Boyd No. 1

Shasta County

311971HighSatisfactory
Boyd No. 2

Shasta County

531973HighSatisfactory
Bradbury Dam

Santa Barbara County

2791953HighNot Available
Brand Debris Basin

Los Angeles County

451965HighSatisfactory
Brand Park

Los Angeles County

991930HighSatisfactory
Bravo Lake Reservoir

Tulare County

241980HighSatisfactory
Brea Dam

Orange County

871942HighNot Available
Brentwood Park

Tuolumne County

581964HighSatisfactory
Bridgeport

Mono County

631924HighSatisfactory
Briones

Contra Costa County

2731964HighSatisfactory
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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.