Department of Water Resources

The California Irrigation Management Information System (CIMIS) is a program that manages a network of over 120 automated weather stations in the state of California.

IWRIS is a data management tool for water resources data. It is a web based GIS application that allows you to access, integrate, query, and visualize multiple sets of data.

Locate monitoring stations.

Water data including, river conditions, snowpack, precipitation, reservoirs, dams, tide forecasts, weather forecasts, snow, groundwater, wells, etc.