Contra Costa County, CA Official Website

Capital Improvement Program

Contra Costa Clean Water Program

County Watershed Program

District Overview

Documents and Standards

Drainage Areas

FAQs

Flood Control Maintenance

Flood Control Zones

Floodplain Program

Hydrology

Policies

Project Review & Permits

FAQs

Overview

Frequently asked questions (FAQs) and answers are available on the following topics:

Property Owners Near Creeks
Drainage, Watershed, and Water Quality
Developers and Engineers
Definitions of Terms

Over time, these FAQ lists will be migrated to the County website FAQ system.

If you have questions that are not covered by those in these documents, please call and ask for someone in Flood Control (Contact Info).