Below are the links to the boundaries and spheres of influence maps for the various types of water districts within San Bernardino County:

 

 

Municipal Water Districts


Big Bear Municipal Water District Map http://www.bbmwd.org/
Inland Empire Utilities Agency Map http://www.ieua.org/
San Bernardino Valley Municipal Water District** Map http://www.sbvmwd.com/


Water Conservation Districts


Chino Basin Water Conservation District Map http://www.cbwcd.org/
San Bernardino Valley Water Conservation District Map http://www.sbvwcd.dst.ca.us/


Water Districts


Apple Valley Foothill Water District Map
Apple Valley Heights Water District Map
Arrowbear Park Water District Map http://www.arrowbearwater.org/
Crestline Village Water District Map http://www.cvwater.com/
Cucamonga Valley Water District Map http://www.cvwdwater.com/
East Valley Water District Map http://www.eastvalley.org/
Hesperia Water District* Map http://www.cityofhesperia.us/index.aspx?nid=137
Hi-Desert Water District Map http://www.hdwd.com/
Joshua Basin Water District Map http://www.jbwd.com/
Juniper Riviera Water District Map
Mariana Ranchos Water District Map http://www.marianaranchoscwd.org/
Monte Vista Water District Map http://www.mvwd.org/
Running Springs Water District Map http://www.runningspringswaterdistrict.com/
Thunderbird Water District Map
Twentynine Palms Water District Map http://www.29palmswater.org/
Victorville Water District* Map http://www.ci.victorville.ca.us/site/cityservices2.aspx?id=2974
West Valley Water District** Map http://www.wvwd.org/
Yucaipa Valley Water District** Map http://www.yvwd.dst.ca.us/


Special Act Water Agencies


Bighorn-Desert View Water Agency Map http://www.bdvwa.org/
Crestline-Lake Arrowhead Water Agency Map http://www.clawa.org/
Mojave Water Agency Map http://www.mojavewater.org/
Odessa Water District* Map

*Subsidiary district
**Multi-county district