WICC Interactive Map map tips
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Choose a Theme from the basins below
.Napa River Basin
.Putah Creek Basin
.Suisun Creek Basin
Napa River Basin More
Water Resources Map
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Click to learn more about each layer
Stream and Precipitation Gauges
Dams
Major Streams
Wetlands
Other
Estuarine and Marine Deepwater
Estuarine and Marine Wetland
Freshwater Pond
Freshwater Emergent Wetland
Freshwater Forested/Shrub Wetland
Riverine
Lake
Flood Hazard Zone
100-year Zone
500-year Zone
State DWR Groundwater Basins
Napa Valley Groundwater Subareas
Angwin
Carneros
Central Interior Valleys
Eastern Mountains
Jamieson/American Canyon
Livermore Ranch Area
Napa River Marshes
Napa Valley Floor-Calistoga
Napa Valley Floor-MST
Napa Valley Floor-Napa
Napa Valley Floor-St. Helena
Napa Valley Floor-Yountville
Pope Valley
Southern Interior Valleys
Western Mountains
Dam Levee Inudation
St. Helena Upper Dam, Kimball Dam Overflow Pond, Lake Camille Dam, Lake Cynthia
St. Helena Lower Dam, Kimball Dam, Silverado Lakes, Summit Reservoir
Lake Marie Dam
Bell Canyon Dam, Miliken Dam
Conn Dam
Rector Creek Dam
Water Supply Drainages
Watersheds
Napa Watersheds
Napa-Sonoma Marshes
Rainfall
18 inches
22.5 inches
27.5 inches
35 inches
37.5 inches
45 inches
55 inches
65 inches
75 inches
Major Basins
Napa County
Napa River Basin More
WICC Pins
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