Data, Images, Maps, and Academics Sources:
https://www.ec.gc.ca/eau-water/default.asp?lang=En&n=6A7FB7
http://oehha.maps.arcgis.com/apps/webappviewer/index.html?id=ac22b8ffe91e4f1c9862a9ec0a01b8db
https://gis.water.ca.gov/app/gicima/
https://oehha.ca.gov/calenviroscreen/maps-data
https://www.epa.gov/toxics-release-inventory-tri-program
https://www.cdc.gov/500cities/map-books.htm#C
http://waterinthewest.stanford.edu/groundwater/conflicts/index.html
https://www.waterboards.ca.gov/water_issues/programs/groundwater/issue_gq.html
https://www.ppic.org/publication/groundwater-in-california/
https://gis.water.ca.gov/app/bbat/
http://www.groundwateruk.org/groundwater_resources_climate_change.aspx