FREE Recycled Water

Current Drought Updates

Due to the COVID-19 pandemic, our office is closed to the public. 

Please use one of our bill payment options or call the office 925-625-3798 to make payment arrangements.

Water Supply

Diablo Water District has two sources of water:

  • Local Groundwater (20% of water supply)
    • Sustainably pumped to match normal recharge rates
  • Delta Water (80% of water supply)
    • Source of water originates in the Trinity, Sacramento, American, and San Joaquin Rivers Watershed

Click map for full size image.