Contra Costa County Water District (CCWD) was formed in 1936 (“County” was dropped from name in 1981) CCWD is a legal entity to contract, purchase, and distribute water provided by United States Bureau of Reclamation.
For its first 25 years, the District dealt with untreated water only, by 1950s, water quality and costs were of a growing concern to residents and treated water service began in 1961. The California Water Service Company was purchased in 1961, at this time the District formed its own treated water division.
Contra Loma Reservoir was built in Antioch in 1965-67 to provide peaking supply for system reliability and emergency storage.
The Ralph D. Bollman Water Treatment Plant was built in Concord 1966-68 and upgraded in 1986 & 1999. The plant uses Ozone primary disinfectant and has a capacity of 75 mgd.
Voters Approved Los Vaqueros reservoir in 1988.
CCWD has 778 miles of pipelines, 40 storage reservoirs, 31 pump stations, 59,947 connections, utilizes 336 employees, serving a population of 500,000.
Contra Costa Special Districts Association - Administration provided by Ironhouse Sanitary District is fully committed to providing accessible facilities, elements and
channels of communication to all members of the public. As part of this commitment, Contra Costa Special Districts Association - Administration provided by Ironhouse Sanitary District
has a policy of providing an accessible website compatible with the Web Content Accessibility Guidelines (WCAG 2.1) and
commercial screen reading software. All features of the website are coded to allow individuals with vision and
other impairments to understand and use the website to the same degree as someone without disabilities. We welcome
feedback and can often resolve issues in a timely manner if they arise.
If you need any special assistance or accommodations:
Contra Costa Special Districts Association - Administration provided by Ironhouse Sanitary District has designated a compliance officer for website disability-related accommodations.
The compliance officer has received training in website accessibility and updates the site in accordance with those best
practices. Contact our accessibility officer to report an issue.
Compliance Procedures and Reports
In addition to testing with users with a wide range of disabilities and coding our website to WCAG standards,
Contra Costa Special Districts Association - Administration provided by Ironhouse Sanitary District regularly scans its website to ensure ongoing compliance, and makes timely
changes to any inaccessible changes, if any are found.
Linked Documents and Third Parties
Please note that this site may link out to third-party websites, such as state or federal agencies, that do
not have accessible content. This site may also include documents provided by third parties included in our
agenda packets, for example. While we cannot control the accessibility of content provided by third parties,
we are happy to assist any member of the public with reading and accessing content on our site.
