Hard water map california. 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. The average water hardness for california residents is 100 300 ppm. Benefits of water softening hard water faq hard water and laundering how water softeners work water hardness map of the us our water softener systems.
Grains per gallon gpg. Water hardness table of classifications. The following hard water map illustrates the varying zones of hardness across the usa.
Colors represent streamflow from the hydrologic unit area. 3 click on an area without a city to open a pop up box detailing the average state water hardness. Get directions reviews and information for hard water in san francisco ca.
State water resources control board. Environmental protection agency epa has not set a legal limit or standard for hardness in water. Map edited by usepa 2005.
View a national map of hardness in surface water on the usgs water hardness website. Water is carried into lake mead from the mineral dense colorado river resulting in 16 gpg of hard water for homes in the las vegas area. Hardness data reflecting mostly calcium plus a little magnesium for individual drinking water suppliers is at the epa office of ground water and drinking water website.
See the map below state and regional water boards brochure pdf. Geological survey open file report 78 200. Hard water 1 99 pier 3 san francisco ca 94111.
Order online tickets tickets see availability directions. 4 click the arrow that is located at the top left corner of the map to zoom out. State and regional water boards.
Culligan united states canada water problems hard water map. Map services are generally provided in esri rest ogc wms and kml formats. The nine regional water quality control boards in california fact sheet pdf view the regional boards websites.
Water hardness map how to use the interactive water hardness map. Information on hard water. 651 reviews 415 392 3021 website.
1 click on a state to zoom in. It is important to note that the us. For questions regarding the use of the map services please contact gisatwaterboardscagov.
California water hardness by city. Water hardness map of the united states. 2 click on a city to open a pop up box detailing its water hardness.
Modified from briggs jc and ficke jf 1977 quality of rivers of the united states 1975 water year based on the national stream quality accounting network nasqan. Menu reservations make reservations.