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i03 WaterDistricts

This dataset represents polygon boundaries of all public water agencies in California including public water systems, agricultural water districts, urban water districts, Federal and State water contractors, wholesalers, retailers, and other public or private utilities that deliver water to the end user.

Data files

Data title and descriptionAccess dataFile detailsLast updated

CSV

Download
CSV
07/18/25

Shapefile

DownloadZIP
07/18/25

GeoJSON

DownloadGEOJSON
07/18/25

KML

DownloadKML
07/18/25

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

ArcGIS Hub Dataset

HTML
07/18/25

ArcGIS GeoService

ARCGIS GEOSERVICES REST API
07/18/25

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