Division of Drinking Water
Field Operations Branch Districts
Northern California
- Klamath - District 01
- Lassen - District 02
- Mendocino - District 03
- San Francisco - District 04
- Sacramento - District 09
- Santa Clara - District 17
- Sonoma - District 18
- Valley - District 21
- Marin - District 25
Central California
- Monterey - District 05
- Santa Barbara - District 06
- Stockton - District 10
- Merced - District 11
- Visalia - District 12
- Tehachapi - District 19
- Fresno - District 23
- Tulare - District 24
- Yosemite - District 28
Southern California
- Hollywood - District 07
- Santa Ana - District 08
- San Bernardino - District 13
- San Diego - District 14
- Metropolitan - District 15
- Central - District 16
- Riverside - District 20
- Angeles - District 22
- Imperial - District 26
- Mojave - District 27
