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 160

Dam NameHeight (ft)YearHazardCondition
Dina Bob Lake

Sonoma County

331955SignificantSatisfactory
Diemer No. 8

Orange County

1721968SignificantSatisfactory
Dick Week

Napa County

701955SignificantSatisfactory
Detention Pond A

Solano County

151989SignificantSatisfactory
Delta Pond

Sonoma County

271984SignificantSatisfactory
Davis

Napa County

421955SignificantSatisfactory
Cummings Reservoir No. 1

Modoc County

111912SignificantSatisfactory
Coyote Flat

Lassen County

521928SignificantSatisfactory
Cornett

Mendocino County

311974SignificantSatisfactory
Collett

Lassen County

401991SignificantSatisfactory
Clementia

Sacramento County

331976SignificantSatisfactory
Chinquapin

Mendocino County

491971SignificantSatisfactory
Chino Ranch #1

San Bernardino County

221918SignificantSatisfactory
Century

Los Angeles County

441913SignificantPoor
Caribou Lake

Lassen County

161928SignificantSatisfactory
Cajalco Creek

Riverside County

462001SignificantSatisfactory
Burns

Napa County

391956SignificantSatisfactory
Buena Vista Winery

Sonoma County

401971SignificantSatisfactory
Budge

Sonoma County

281964SignificantSatisfactory
Brush Creek

El Dorado County

2131970SignificantSatisfactory
Bradford

Mendocino County

581985SignificantSatisfactory
Bosch No. 2

Sonoma County

551962SignificantSatisfactory
Blodgett

Sacramento County

191939SignificantSatisfactory
Black Hawk

Madera County

451971SignificantSatisfactory
Bishop Creek Intake No. 2

Inyo County

301908SignificantFair
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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.