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 126150 of 821

Dam NameHeight (ft)YearHazardCondition
Cedar Springs

San Bernardino County

2491971HighFair
Centennial

Mendocino County

621990HighSatisfactory
Central

Alameda County

551910HighSatisfactory
Chabot

Alameda County

1421892HighSatisfactory
Chatsworth

Los Angeles County

451918HighSatisfactory
Cherry Flat

Santa Clara County

601936HighSatisfactory
Cherry Valley

Tuolumne County

3151956HighFair
Chesbro

Sacramento County

791972HighSatisfactory
Chester Diversion

Plumas County

471975HighSatisfactory
Chet Harritt

San Diego County

2001962HighSatisfactory
Chevy Chase 1290 Reservoir

Los Angeles County

901940HighSatisfactory
Chili Bar

El Dorado County

1261964HighFair
Chollas

San Diego County

501901HighSatisfactory
Chorro Creek

San Luis Obispo County

771941HighSatisfactory
Circle S

Napa County

281979HighSatisfactory
Clear Lake Dike 1

Modoc County

131910HighNot Available
C.L. Tilden Park

Contra Costa County

881938HighSatisfactory
Coastways

San Mateo County

461951HighSatisfactory
Cogswell

Los Angeles County

2661935HighSatisfactory
Conagra Aerated and Settling Ponds

Stanislaus County

15HighFair
Concow

Butte County

941925HighSatisfactory
Conn Creek

Napa County

1251946HighFair
Cook No. 2

Sonoma County

351961HighSatisfactory
Copper Basin

San Bernardino County

1841938HighSatisfactory
Copperopolis

Calaveras County

331905HighSatisfactory
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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.