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 426450 of 1,436

Dam NameHeight (ft)YearHazardCondition
Fleming Hill No. 2

Solano County

391912HighSatisfactory
Florence Lake

Fresno County

1491926HighFair
Flowers

Calaveras County

411957HighSatisfactory
Fly-In-Acres

Calaveras County

411953SignificantSatisfactory
Folsom Mormon Island Auxiliary Dam

Sacramento County

1651955HighNot Available
Foote #3

Sonoma County

281970HighSatisfactory
Foote #4

Sonoma County

471976HighSatisfactory
Foothill Park

Santa Clara County

861988HighSatisfactory
Foothill Ranch

San Joaquin County

151952LowSatisfactory
Foothill Regulating Park

Sonoma County

511963HighSatisfactory
Forbestown Diversion

Butte County

811962LowSatisfactory
Forest Lake

Monterey County

651892HighSatisfactory
Forest Meadows

Calaveras County

601975LowFair
Foss Creek North Area

Sonoma County

201998HighSatisfactory
Foss Valley

Napa County

561988HighSatisfactory
Foster

Riverside County

381945HighSatisfactory
Fountaingrove

Sonoma County

381953HighSatisfactory
Four Mile Valley N0 4

Modoc County

81951LowNot Rated
Fredonia

Lassen County

271914LowSatisfactory
French Lake

Nevada County

951859HighSatisfactory
Frenchman

Plumas County

1391961HighSatisfactory
Fresh Water

Riverside County

17HighNot Available
Fresh Water

Los Angeles County

30HighNot Available
Fresh Water

Los Angeles County

40HighNot Available
Fresh Water Impoundment

Kern County

15HighNot Available
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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.