Water Providers in Butte County
- California Water Service
- California Water Service - Dominguez
- California Water Service - Marysville
- California Water Service - San Mateo
- CalWater - Bakersfield
- CalWater (California Water Service) - Visalia
- Cal Water - City Of King
- CalWater - Dixon
- Cal Water - Oroville
- Calwater - Salinas Hills
- CalWater - Travis Air Force Base
- CalWater - Willows
- City Of San Jose Water - North San Jose/Alviso
- Del Oro Water - Paradise Pines
- Great Oaks Water
- Gridley Utilities
- San Jose Water (Edenvale & Coyote Valley)
- South Feather Water and Power Agency
- Thermalito Water
