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 451455 of 455

Dam NameHeight (ft)YearHazardCondition
Wishon Forebay

Madera County

151896LowSatisfactory
Wuest

San Diego County

501928LowSatisfactory
Yarnell Debris Basin

Los Angeles County

421963LowSatisfactory
York Hill

Colusa County

381952LowSatisfactory
Yucaipa No. 3

San Bernardino County

351978LowSatisfactory
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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.