California Water District Boundaries
from Open Data Stackexchange:
http://opendata.stackexchange.com/questions/5157/california-water-district-boundaries
Provided in multiple GIS formats
Private Water District boundaries are areas where private contracts provide water to the district in California. This database is designed as a regions polygon database and is updated when sufficient number of changes have occured to warrant an update. Updates are determined by the needs of the local office. Separate databases are used for maintenance purposes. Boundaries are continually being updated as changes are identified by the Water Districts. The boundaries are not current for all Water
http://catalog.data.gov/dataset/private-water-districts
State Water Districts
State Water Project District boundaries are areas where state contracts provide water to the district in California. This database is designed as a regions polygon database and is updated when sufficient number of changes have occured to warrant an update. Updates are determined by the needs of the local office. Separate databases are used for maintenance purposes. Boundaries are continually being updated as changes are identified by the Water Districts. The boundaries are not current for all Wa ...
that is not a typo, its the direct text
http://catalog.data.gov/dataset/state-water-districts
https://web.archive.org/web/*/http://projects.atlas.ca.gov/frs/download.php/26/usbr_wat_dist_priv.zip
https://web.archive.org/web/%2a/http://projects.atlas.ca.gov/frs/download.php/245/usbr_wat_dist_state_2003_03_25.zip
gist: https://gist.github.com/pdbartsch/07277a0645fb2df9f729
