Clearlake Oaks County Water District
12952 E. Hwy 20
Clearlake Oaks, CA 95423

• Office Hours:  Monday - Wednesday   8:00 to AM - 3:30 PM
  • Our lobby is Closed Thursdays & Fridays
    • Thursday Phone Hours: 8:00 AM - 3:30 PM
    • Friday Phone Hours: 8:00 AM - 11:00 AM
• Main Number: (707) 998-3322
• Fax Number:   (707) 998-1245