Contra Costa Water District

The Contra Costa Water District delivers safe, clean water to approximately 500,000 people in central and eastern Contra Costa County in Northern California.Formed in 1936 to provide water for irrigation and industry, we are now one of the largest urban water districts in California and a leader in drinking-water treatment technology and source water protection.

As a public water agency, we are committed to transparency and sharing information about our public services with many and varied audiences.

Upcoming (6)

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 11 • 11:30 AM PDT

Free

California Natives Plant Selection primary image

California Natives Plant Selection

Thu, Apr 25 • 11:30 AM PDT

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 2 • 7:45 AM

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 9 • 7:45 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, May 9 • 11:30 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 23 • 11:30 AM PDT

Free

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 11 • 11:30 AM PDT

Free

California Natives Plant Selection primary image

California Natives Plant Selection

Thu, Apr 25 • 11:30 AM PDT

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 2 • 7:45 AM

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 9 • 7:45 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, May 9 • 11:30 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 23 • 11:30 AM PDT

Free

Past (34)

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 21 • 11:30 AM PDT

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Free

Ralph D. Bollman Water Treatment Plant Tour primary image

Ralph D. Bollman Water Treatment Plant Tour

Sat, Oct 7 • 10:00 AM

Free

Los Vaqueros Reservoir 25th Anniversary Open House primary image

Los Vaqueros Reservoir 25th Anniversary Open House

Sat, May 20 • 10:00 AM

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Fri, May 12 • 7:30 AM

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 11 • 10:00 AM PDT

Free

Los Vaqueros Reservoir Facilities Tour primary image

Los Vaqueros Reservoir Facilities Tour

Fri, Apr 28 • 7:30 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, Apr 27 • 10:00 AM PDT

Free

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 13 • 10:00 AM PDT

Free

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 30 • 10:00 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Wed, Apr 27 • 10:00 AM PDT

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Wed, Apr 13 • 10:00 AM PDT

Free

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 21 • 11:30 AM PDT

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Free

Ralph D. Bollman Water Treatment Plant Tour primary image

Ralph D. Bollman Water Treatment Plant Tour

Sat, Oct 7 • 10:00 AM

Free

Los Vaqueros Reservoir 25th Anniversary Open House primary image

Los Vaqueros Reservoir 25th Anniversary Open House

Sat, May 20 • 10:00 AM

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Fri, May 12 • 7:30 AM

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 11 • 10:00 AM PDT

Free

Los Vaqueros Reservoir Facilities Tour primary image

Los Vaqueros Reservoir Facilities Tour

Fri, Apr 28 • 7:30 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, Apr 27 • 10:00 AM PDT

Free

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 13 • 10:00 AM PDT

Free

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 30 • 10:00 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Wed, Apr 27 • 10:00 AM PDT

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Wed, Apr 13 • 10:00 AM PDT

Free

The Contra Costa Water District delivers safe, clean water to approximately 500,000 people in central and eastern Contra Costa County in Northern California.Formed in 1936 to provide water for irrigation and industry, we are now one of the largest urban water districts in California and a leader in drinking-water treatment technology and source water protection.

As a public water agency, we are committed to transparency and sharing information about our public services with many and varied audiences.

Events

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 11 • 11:30 AM PDT

Free

California Natives Plant Selection primary image

California Natives Plant Selection

Thu, Apr 25 • 11:30 AM PDT

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 2 • 7:45 AM

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 9 • 7:45 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, May 9 • 11:30 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 23 • 11:30 AM PDT

Free

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 11 • 11:30 AM PDT

Free

California Natives Plant Selection primary image

California Natives Plant Selection

Thu, Apr 25 • 11:30 AM PDT

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 2 • 7:45 AM

Free

Contra Costa Water District Value of Water Tour primary image

Contra Costa Water District Value of Water Tour

Thu, May 9 • 7:45 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, May 9 • 11:30 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 23 • 11:30 AM PDT

Free

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 21 • 11:30 AM PDT

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Free

Ralph D. Bollman Water Treatment Plant Tour primary image

Ralph D. Bollman Water Treatment Plant Tour

Sat, Oct 7 • 10:00 AM

Free

Los Vaqueros Reservoir 25th Anniversary Open House primary image

Los Vaqueros Reservoir 25th Anniversary Open House

Sat, May 20 • 10:00 AM

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Fri, May 12 • 7:30 AM

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 11 • 10:00 AM PDT

Free

Los Vaqueros Reservoir Facilities Tour primary image

Los Vaqueros Reservoir Facilities Tour

Fri, Apr 28 • 7:30 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, Apr 27 • 10:00 AM PDT

Free

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 13 • 10:00 AM PDT

Free

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 30 • 10:00 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Wed, Apr 27 • 10:00 AM PDT

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Wed, Apr 13 • 10:00 AM PDT

Free

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2024 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 21 • 11:30 AM PDT

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Free

Ralph D. Bollman Water Treatment Plant Tour primary image

Ralph D. Bollman Water Treatment Plant Tour

Sat, Oct 7 • 10:00 AM

Free

Los Vaqueros Reservoir 25th Anniversary Open House primary image

Los Vaqueros Reservoir 25th Anniversary Open House

Sat, May 20 • 10:00 AM

Free

Contra Costa Water District Facilities Tour primary image

Contra Costa Water District Facilities Tour

Fri, May 12 • 7:30 AM

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Thu, May 11 • 10:00 AM PDT

Free

Los Vaqueros Reservoir Facilities Tour primary image

Los Vaqueros Reservoir Facilities Tour

Fri, Apr 28 • 7:30 AM

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Thu, Apr 27 • 10:00 AM PDT

Free

Water-Wise Landscape Design and Plant Selection primary image

Water-Wise Landscape Design and Plant Selection

Thu, Apr 13 • 10:00 AM PDT

Free

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A primary image

2023 CCWD Lawn to Garden Rebate Program Overview and Q&A

Thu, Mar 30 • 10:00 AM PDT

Free

Drip Irrigation 101: How to Install a Drip Irrigation System primary image

Drip Irrigation 101: How to Install a Drip Irrigation System

Wed, Apr 27 • 10:00 AM PDT

Free

How to Remove your Lawn - DIY Sheet Mulching primary image

How to Remove your Lawn - DIY Sheet Mulching

Wed, Apr 13 • 10:00 AM PDT

Free