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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Central San Academy

Ever wonder what happens to water when it goes down the drain? Every spring, the Central Contra Costa Sanitary District Citizens Academy (Central San Academy) provides an award-winning, behind-the-scenes look at one of your community’s core services: wastewater treatment. We are now accepting applications for our Spring 2018 session. Class size is limited, so please apply as soon as possible. Check out the Central San Academy page now.

Pipeline Newsletter

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

View all Pipeline Newsletters View all Pipeline Newsletters

Public Notices

public notices iconRead about public hearings, new ordinances, amendments to District Code, and more. View current Public Notices View current Public Notices

Construction Cone icon Construction Zone


The Martinez Sewer Renovation Project, Phase 5 will replace/rehabilitate 8,800 feet of sewer pipe at several different sites using open-cut and pipe-bursting methods.

The Lafayette Sewer Renovation Project, Phase 11 will replace/rehabilitate 8,500 feet of sewer pipe at several different sites using open-cut and pipe-bursting, horizontal directional drilling (HDD), and cured-in-place pipe (CIPP) methods.

View all neighborhood projects View all neighborhood projects 

Contractors/Bid Documents/RFPs/RFQs

View contractor/bid documents, RFPs and RFQs here See available options

Pharmaceutical Disposal Program

Click here to learn where you can dispose of your unwanted, unused or expired medications.

Residential Recycled Water Fill Station

Fill Station Hours: Monday-Saturday, 9 am - 4 pm. (During wet weather and holidays, please call 925-335-7717.)
Click here for information.