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State of California Open Data

Community Water System Handout

Preview

Published by:
California Department of Water Resources
Last updated:
March 13, 2026
File details:
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Access data:
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Description:

One page explainer on what this program offers community water systems and how to participate.

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation