Use the search box below to find features on the map such as the name of a city, park, landmark, lake, water feature, or zip code within California. Additional searches by data type are possible by clicking the links above.

2024年8月8日 · Data Map Services. Map services for the spatial data provided by many of the map applications listed above are open and available for public developer use via our GIS server endpoint. Map services are generally provided in ESRI REST, OGC WMS and KML formats.

There are 467 daily real time stations in California and 587 total USGS stations in California. For more information see: https://waterwatch.usgs.gov/?m=real&r=ca. Groundwater data shown …

California Water Watch offers the most current local and statewide water conditions down to your region and even your neighborhood. View Local Water Conditions Search by Address or Zip Code

Four major watersheds supply most Californians with at least some of their fresh water: the Sacramento River in the north, the San Joaquin River and the Tulare Basin in the central part of the state, and the Colorado River to the east.

2024年8月14日 · Map services for the spatial data provided by many of the Water Boards’ map applications are open and available for public developer use via our GIS server endpoint. Map services are generally provided in ESRI REST, OGC WMS and KML formats.

The website allows viewers to query information (precipitation, temperature, reservoirs, streamflow, groundwater, snowpack, soil moisture, and vegetation conditions) on maps and show user-defined boundary areas of interest (HUC-8 watersheds, counties, water agencies, groundwater sustainability agencies, or drinking water providers).

Water portfolio data provides information for comparison about how water uses and sources of supply can vary between wet, average, and dry hydrologic conditions for each of the California hydrologic regions.

The water supplier boundaries are based on information provided directly by participating water suppliers via the California Department of Public Health Drinking Water Systems Geographic Reporting Tool.

We found that California’s drinking water supply system relies on approximately 157 million acres of land spanning 8 states to collect, filter, and deliver water. Only 16% of this land is strictly protected from development and degradation (e.g., wilderness areas, national parks).