In the explorer
Concrete Batch Plant in Harris County
Concrete Batch Plant Location in Harris County
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 |
1,550 matches (likely staff working copies and non-Houston research layers hidden)
Concrete Batch Plant Location in Harris County
GIS data files downloaded from HCAD (http://pdata.hcad.org) 2/7/19. GIS emergency service district (ESD) data primarily for EMS is updated quarterly by HCAD GIS personnel and uploaded to repository. The last HCAD update Jan 2019 next update July 2022
GIS data files downloaded from HCAD (http://pdata.hcad.org) 4/4/22. GIS emergency service district (ESD) data primarily for fire response is updated quarterly by HCAD GIS personnel and uploaded to repository. The last HCAD update Jan 2022, next update July 2022
FMO_Fire_Stations_AGO
This dataset contains all the facilities maintained by FPM, HRRM, Auditor's office and the Precincts
Harris County constable precinct boundary maintained by Harris Co. US-GIS. Boundaries are aligned to H-GAC imagery and county boundary is clipped to Harris_County_Boundary
Harris County Public Libraries
This "Channels" layer comes from "hydrology" dataset. This feature class is used for CIP dashboard
Location of Harris County Parks
Watershed basins derived from 2001 LiDAR elevations with update to Upper San Jacinto River and Luce Bayou watersheds (outside HC) from TNRIS hydrologic units data.
For reference purposes only
County community air sensors, rolling year of 15-minute readings
County community air sensors, 15-minute readings, ~1 hour behind
CenterPoint streetlights (two sublayers, meaning unclear)
CenterPoint streetlights (two sublayers, meaning unclear)
CenterPoint streetlights (two sublayers, meaning unclear)
Output generated from running the Join Features analysis tool.
Harris County Data for ACP 2023
ACP Harris County Enrollment Data 2023
2023 ACP Enrollment Data for Harris County, Tx Broadband
Broadband ACP Data for July, 2023
Broadband ACP Enrollment Data for 2023
Harris County Pollution Control Blue Sky Acrolein
Harris County Road Log for cataloging managed and unmanaged road segments.
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.