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.

Sandmound Rd Area - Water Quality

Currently, the independent well (M-27) serving Willow Park Marina and Mariner Estates, is under a compliance order from Contra Costa Health Services to address elevated arsenic levels as of March 31, 2021.

The compliance order requires a permanent solution, engineered by the District, within the next three years. Quarterly notifications are also required to be sent to property owners.

Updated September 27, 2021: The District has recently been granted Technical Assistance from the State to conduct feasibility studies for possible consolidation.  Outreach will begin once technical assistance kickoff meetings occur.

All updates and documentation regarding current systems under a county compliance order will be found on this page.

Current Systems Under County Compliance Order

M-27 (Willow Park Marina and Mariner Estates)

Delta Mutual Water Company

Upcoming Meetings

There are no current meetings.


A Special Board Meeting was held on Monday, May 10, 2021 where the greater Sandmound Rd area water quality and community water systems update and discussion took place.  Please visit our Board Agendas and Minutes page for more information.