Delta Diablo operates 24 hours a day, seven days a week, 365 days per year.
Serves over 200,000 residents in Antioch, Bay Point, and Pittsburg (wastewater treatment).
54 square mile service area.
Average daily wastewater flow is 12.4 million gallons.
2016 "Platinum 13" National Association of Clean Water Agencies Award, recognizing 13 years of perfect compliance of the National Pollutant Discharge Elimination System (NPDES).
2016 Governor’s Environmental and Economic Leadership Award (GEELA).
2016, 2012 and 2008 Best Medium-Sized Wastewater Treatment Plant in California Award from the California Water Environment Association.
2016 Community Engagement & Outreach Person of the Year Award from California Water Environment Association.
2016 East Bay Innovation Award received from the East Bay Economic Development Alliance.
Beneficial reuse of over 90% of biosolids.
Operates one of the largest industrial recycled water plants in California, providing 6.4 million gallons a day of recycled water for industrial and irrigation uses.
Performs street sweeping functions.
Conducts storm water inspections.
Undertakes Pretreatment/Pollution Prevention Program for industrial customers.
Manages the Delta Household Hazardous Waste Collection Facility for 338,158 East Contra Costa County residents.
Actively exploring new renewable energy sources: biosolids-to-energy, solar, grease-to-energy, and food-to-energy.
Lead agency for four regional Coalitions:Western Recycled Water Coalition (22 agencies)East County Household Hazardous Waste (6 agencies)East County Integrated Regional Water Management (11 agencies).
Website Accesibilty Policy Delta Diablo
Delta Diablo is fully committed to providing accessible facilities, elements and
channels of communication to all members of the public. As part of this commitment, Delta Diablo
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
Delta Diablo 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,
Delta Diablo regularly scans its website to ensure ongoing compliance, and makes timely
changes to any inaccessible changes, if any are found. In our ongoing commitment to transparency, we make the
last three months' reports available to the public.
August 2021 Website Accessibility Compliance Report
July 2021 Website Accessibility Compliance Report
June 2021 Website Accessibility Compliance Report
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.