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Central Contra Costa Sanitary District
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Report a sewer spill at (925) 933-0990 or get other contact information. Household Hazardous Waste - Drop off used batteries, fluorescent lamps, oil, paint and more. Healthy Garden Guide - Learn to manage garden pests with little or no toxic substances. Get more information.

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CCCSD is a special district that collects and cleans an average of 45 million gallons of wastewater per day for approximately 450,000 residents and businesses in central Contra Costa County. Click for more details. 

Pipeline Newsletter

Pipeline Newsletter iconRead the latest edition or back issues of our community
newsletter.

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Public Notices

public notices iconRead about public hearings, new ordinances, amendments to District Code, and more.

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Employment Opportunities 

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Neighborhoods

Lafayette Sewer Renovation Project, Phase 6  This project will replace/rehabilitate approximately 10,000 feet of sewer lines at several different sites throughout the City of Lafayette and neighboring areas.

Walnut Creek Sewer Renovation Project, Phase 7  This project will replace/rehabilitate approximately 12,000 feet of 6 through 12-inch sewer pipe at several different sites throughout the City of Walnut Creek, unincorporated county and other neighboring areas.

View all neighborhood projects View all neighborhood projects 

Contractors/Bid Documents

View planholder lists and other bid documents here See available options

Pharmaceutical Drop-Off Information

View What’s New to learn more See available options
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