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 1,093

Dam NameHeight (ft)YearHazardCondition
Rock Creek

Plumas County

1261950HighSatisfactory
Roberts

Modoc County

171905HighSatisfactory
Robert L. Matheson

Napa County

321954HighSatisfactory
Robert A Skinner

Riverside County

1091973HighSatisfactory
Robbs Peak

El Dorado County

501963LowSatisfactory
Riviera Reservoir

Los Angeles County

401962HighSatisfactory
Rio Bravo Diversion

Kern County

281989LowSatisfactory
Rio Bravo Canal

Kern County

161988SignificantSatisfactory
Rinconada Reservoir

Santa Clara County

401969HighSatisfactory
Righetti

San Luis Obispo County

831966HighSatisfactory
Ridgewood

Mendocino County

441929LowSatisfactory
Rickey

San Mateo County

641951LowSatisfactory
Richardson

Sonoma County

651954SignificantSatisfactory
Richardson

Sonoma County

401974LowSatisfactory
Rhinedollar

Mono County

181927HighSatisfactory
Reynolds Weir

Fresno County

131928LowSatisfactory
Reservoir No. 5

Los Angeles County

361949HighSatisfactory
Reservoir No. 4

Los Angeles County

381955HighSatisfactory
Reservoir A

Placer County

931973HighSatisfactory
Renner Sibley Creek

Modoc County

281959LowSatisfactory
Reid

Calaveras County

321969LowSatisfactory
Red Rock No. 1

Lassen County

631893HighSatisfactory
Red Mountain Reservoir

San Diego County

1201985HighSatisfactory
Red Lake

Alpine County

351924HighSatisfactory
Redhawk Lake

Calaveras County

331882HighSatisfactory
PreviousPage 11 of 44Next

Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.