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USDA Texas Food Access
The Food Access Research Atlas presents an overview of food access indicators for low-income and other census tracts using different measures of supermarket...
Houston and Harris County publish a huge amount of open data, scattered across dozens of portals nobody tracks. This catalog lists every dataset we've found in one place, whether or not it's loaded into the explorer. Know a source we're missing? Add it, and it's shared with everyone.
| Source | What it is | Items | Loaded |
|---|---|---|---|
| Harris County ArcGIS Online services.arcgis.com |
One organization shared by county departments, precincts and staff. Mixes authoritative layers (fire stations, parks, crashes) with many working copies and one-off maps; review before use. | 3,112 | 16 |
| Rice University ArcGIS Online services.arcgis.com |
Research and class projects. Houston gems (HCFCD buyout lots, draft 2026 FEMA flood map, historical census, redlining) among worldwide student work. Research copies of agency data need permission before reuse. | 2,888 | 0 |
| Houston Advanced Research Center (HARC) ArcGIS Online services2.arcgis.com |
Environmental and regional research layers; source of the 2021 city cool-center list. | 528 | 1 |
| City of Houston GIS (ArcGIS Hubs) geohub.houstontx.gov |
Two Hub sites (Public Works geohub, citywide mycity) over several ArcGIS servers. Official. | 314 | 119 |
| Harris County Flood Control District ArcGIS Online services2.arcgis.com |
High-water marks, floodplains, projects, acreage by program. Source of the storm HWM layers. | 265 | 4 |
| City of Houston Open Data (data.houstontx.gov) data.houstontx.gov |
Separate from the GIS hubs. Mostly spreadsheets; finance (checkbook, payroll, budget) and census stay current, much else frozen since a 2023 migration. | 94 | 0 |
| U.S. Census Bureau api.census.gov |
4 | 3 | |
| FEMA (OpenFEMA and National Flood Hazard Layer) www.fema.gov |
4 | 3 | |
| U.S. Environmental Protection Agency data.epa.gov |
2 | 2 | |
| Centers for Disease Control and Prevention data.cdc.gov |
2 | 2 | |
| Texas Commission on Environmental Quality www.tceq.texas.gov |
2 | 1 | |
| Texas Water Development Board www.twdb.texas.gov |
1 | 1 | |
| U.S. Geological Survey water data waterservices.usgs.gov |
1 | 0 | |
| City of Houston 311 public data extracts www.houstontx.gov |
1 | 1 | |
| METRO (Harris County transit) www.ridemetro.org |
1 | 0 | |
| Stanford Open Policing Project openpolicing.stanford.edu |
1 | 0 | |
| TxDOT Crash Records Information System (CRIS) cris.dot.state.tx.us |
1 | 0 |
505 matches (likely staff working copies and non-Houston research layers hidden)
The Food Access Research Atlas presents an overview of food access indicators for low-income and other census tracts using different measures of supermarket...
USFWS birds colony and species data.
USFWS birds colony and species data.
USGS water level data in Chicot 1977-2017.
USGS water level data in Chicot 2012-2017.
USGS water level change contours in Evangeline 1977-2017.
USGS water level change contours in Evangeline 2012-2017.
The Site Inventory System contains and provides access to inventory information about sites at stream reaches, wells, test holes, springs, tunnels, drains, lakes, reservoirs, ponds, excavations, and water-use facilities.
USGS water level change contours in Jasper 2012-2017.
Drifter path in Lake Livingston.
Water Quality and Nutrients data in Lake Livingston. Sampled by USGS.
USGS subsidence contours 1906-2016.
This dataset contains compaction values of subsurface sediments in the Chicot and Evangeline aquifers.
This dataset contains compaction values of subsurface sediments in the Chicot and Evangeline aquifers.
This dataset includes the integration of easement boundaries and their accompanying tabular data from National Easements Staging Tool (NEST) database.
USGS Watersheds HUC 10.
Summary statistics for Texas USGS HUC10 Watersheds. Include new NOAA CCAP 2021.
Summary statistics for Texas USGS HUC10 Watersheds.
USGS Watersheds HUC 12.
Summary statistics for Texas USGS HUC12 Watersheds. Include new NOAA CCAP 2021.
Summary statistics for Texas USGS HUC12 Watersheds.
USGS HUC 6 Watersheds.
Summary statistics for Texas USGS HUC6 Watersheds. Include new NOAA CCAP 2021.
Summary statistics for Texas USGS HUC6 Watersheds.
USGS Watersheds HUC 8.
Summary statistics for Texas USGS HUC8 Watersheds. Include new NOAA CCAP 2021.
Summary statistics for Texas USGS HUC8 Watersheds.
Austin Energy Electric Utility Service Area
Number of homes deferred from weatherization for non-language based reasons (types of deferrals this project can address) in Harris County.
Harris County Deferral Issue Category data by Zip Code. Data from BakerRipley, cleaned by Sequoia Riley and Margaret Cook. 2019-2022 data.
Harris County Deferral Issue Category data by Zip Code. Data from BakerRipley, cleaned by Sequoia Riley and Margaret Cook. 2019-2022 data.
Travis County, Harris County, CenterPoint, Austin Energy. The four areas are meant to show whether and what part of the WAP platform will be useful.
Number of homes weatherized in the last 15 years in Harris, Travis, and Jefferson Counties
Columbia Trail Heads.
World Cup Houston Fan Festival boundary.
Key Sites for World Cup Green Corridor area.
Green Corridor World Cup sites
Green Corridor World Cup sites
Green Corridor World Cup sites
Data downloaded Mar 31, 2023 from the Metro Feature service - https://www.arcgis.com/home/item.html?id=343e60c289184204b4e16224ce673af3 Depict location of existing METRO Rail Stations in a regional setting.
Data downloaded Mar 31, 2023 from the Metro Feature service - https://www.arcgis.com/home/item.html?id=343e60c289184204b4e16224ce673af3 Depict location of existing METRO Rail Stations in a regional setting.
HPB Trails and Greenways. This dataset includes trails built by the Houston Parks Board, and also trails built by others.
HPB Trails and Greenways. This dataset includes trails built by the Houston Parks Board, and also trails built by others.
Found Houston or Harris County open data we don't list? A portal, a map service, a spreadsheet on an agency page, a research dataset? Tell us where it is. Reviewed suggestions are added to the catalog for everyone.