Dams in Napa, California

59
Total Dams
37
High Hazard
13
Significant
67.0 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Upper Twin Lake Napa Low Hazard 19 ft 1987 Earth California
Morgan Napa Low Hazard 34 ft — Earth California
Napa Valley Lake Napa Low Hazard 40 ft 1990 Earth California
Deer Creek Napa Low Hazard 40 ft 1980 Earth California
La Herradura Napa Low Hazard 73 ft 1948 Earth California
Long Valley West No. 2 Napa Low Hazard 35 ft 1982 Earth California
Lower Twin Lake Napa Low Hazard 18 ft 1985 Earth California
Montana Lake Napa Low Hazard 39 ft 2009 Earth California
Moskowite Napa Low Hazard 50 ft 1955 Earth California