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 455

Dam NameHeight (ft)YearHazardCondition
Shenandoah Lake

Amador County

331962LowSatisfactory
Shedd

Modoc County

221962LowSatisfactory
Selvage #2

Santa Clara County

421948LowPoor
Sea Ranch

Sonoma County

611996LowSatisfactory
Scott Lake

Alpine County

351926LowSatisfactory
Schwindt

Mendocino County

37LowNot Rated
Schneider

Sacramento County

221941LowFair
Schadler

Modoc County

391967LowSatisfactory
Sawmill Main

Nevada County

601910LowSatisfactory
Santa Anita Debris Basin

Los Angeles County

561960LowFair
San Joaquin No. 3 Forebay

Madera County

401906LowFair
Sanhedrin Ranch

Glenn County

271967LowSatisfactory
San Felipe Ranch

Santa Clara County

491959LowSatisfactory
Salinger

Sonoma County

461952LowSatisfactory
Salinas River Diversion

Monterey County

162009LowSatisfactory
Sack

Madera County

91946LowSatisfactory
Rye Grass Swale

Modoc County

201923LowSatisfactory
Rye

Tehama County

371959LowSatisfactory
Rutherford #2

San Diego County

151952LowNot Rated
Russian River No. 1

Sonoma County

101963LowSatisfactory
Rubicon Main

El Dorado County

401963LowSatisfactory
R. Simoni Irrigation

Santa Clara County

441961LowSatisfactory
Round Corral Dam (Blm)

Lassen County

131977LowNot Rated
Round Canyon Retarding Basin

Orange County

981994LowSatisfactory
Rossmoor Retarding Basin

Orange County

142002LowSatisfactory
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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.