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 106

Dam NameHeight (ft)YearHazardCondition
Pit No. 1 Forebay

Shasta County

471947HighFair
Pit No. 5 Open Conduit

Shasta County

711944HighFair
Pulgas Lake Dam

San Diego County

441953LowFair
Pyramid

Los Angeles County

4221974HighFair
Ralston Afterbay

Placer County

891966HighFair
Rattlesnake Canyon

Orange County

791959HighFair
Redwood Landfill Leachate Impoundment

Marin County

101991SignificantFair
Sabrina

Inyo County

701908HighFair
San Andreas

San Mateo County

1071870HighFair
San Antonio

Monterey County

2021965HighFair
San Joaquin No. 3 Forebay

Madera County

401906LowFair
Santa Anita Debris Basin

Los Angeles County

561960LowFair
Sawpit Debris Basin

Los Angeles County

821955HighFair
Schneider

Sacramento County

221941LowFair
Scott

Lake County

1381921HighFair
Silacci

Monterey County

321915SignificantFair
Stevens Creek

Santa Clara County

1321935HighFair
Strawberry

Tuolumne County

1431916HighFair
Suttenfield

Sonoma County

761938HighFair
Sweetwater Main

San Diego County

1121888HighFair
Thermalito Afterbay

Butte County

391967HighFair
Tiger Creek Afterbay

Amador County

1201931HighFair
Tiger Creek Regulator

Amador County

1151931SignificantFair
Turlock Lake

Stanislaus County

361915HighFair
Upper Settling Basin

Santa Clara County

58LowFair
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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.