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 251275 of 1,436

Dam NameHeight (ft)YearHazardCondition
Coleman Forebay

Shasta County

201911LowPoor
Collett

Lassen County

401991SignificantSatisfactory
Conagra Aerated and Settling Ponds

Stanislaus County

15HighFair
Concow

Butte County

941925HighSatisfactory
Conn Creek

Napa County

1251946HighFair
Contra Loma Dike 2

Contra Costa County

251967LowNot Available
Cook No. 2

Sonoma County

351961HighSatisfactory
Coon Camp

Lassen County

231900LowSatisfactory
Copper Basin

San Bernardino County

1841938HighSatisfactory
Copper Cove

Calaveras County

421993LowSatisfactory
Copperopolis

Calaveras County

331905HighSatisfactory
Corders#1

Lassen County

91954LowNot Rated
Cornett

Mendocino County

311974SignificantSatisfactory
Corral

Tehama County

311959LowSatisfactory
Corte Madera

San Diego County

161919LowSatisfactory
Courtright

Fresno County

3151958HighSatisfactory
Coyote

Santa Clara County

1401936HighPoor
Coyote Creek

Lake County

921968HighSatisfactory
Coyote Flat

Lassen County

521928SignificantSatisfactory
Coyote Percolation

Santa Clara County

241934HighSatisfactory
Coyote Valley Dam

Mendocino County

1801959HighNot Available
Cpud Middle Fork

Calaveras County

1121939HighSatisfactory
Crafton Hills

San Bernardino County

952001HighSatisfactory
Cramer

Lassen County

131910LowSatisfactory
Crane Valley

Madera County

1451910HighFair
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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.