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19 datasets

i16 Census BlockGroup DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the Census 2020 Block Group feature clas...

i16 Census BlockGroup EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a copy of the statewide Census Block Group GIS Tiger file. The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 201...

2020 Census Allocation to 2010 Census Tracts

Published by: California Department of Finance
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

Because the 2020 Census relationship files released by the Census Bureau did not include population or housing unit percentage allocations, alternativ...

DACs - Census

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP

The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...

i07 Water Shortage Social Vulnerability BlockGroups

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage social vulnerability analysis performed by DWR using Census 2021 block groups as the unit of analysis. This f...

Water Shortage Vulnerability Analysis Archive

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: FILE GEODATABASE, ZIP, EXCEL (XLSX)

This page is meant to act as an archival repository for previous Water Shortage Vulnerability analyses, which includes the Water Shortage Vulnerabilit...

California Urban Area Delineations

Published by: California Department of Finance
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The Census Bureau released revised delineations for urban areas on December 29, 2022. The new criteria (contained in this Federal Register Notice) is ...

Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: XLSX, XLS

Per California Water Code Section 10609.80 (a), DWR has released an update to the indicators analyzed for the rural communities water shortage vulnera...

2020 California Neighborhoods Count: RAND Report

Published by: California Department of Finance
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The U.S. Constitution mandates that the federal government count all persons living in the United States every ten years. The census is critical to st...

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using modified PLSS sections pulled from the Well Completion Report P...