WICC Interactive Map map tips

Choose

Select a theme map from the three Basins below.

Explore

Turn Layers on and off using the checkboxes.

Discover

Find WICC events, news and more by adding WICC pins to the map.

Hide Legend Legend

Napa River Basin More

Water Resources Map

Toggle layers using the checkboxes

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

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

Toggle WICC pins using the checkboxes

Events

Documents and Media Links

News

Pages

Images