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DB WPP Double Bayou Watershed
Double Bayou watershed project boundary as used in development of and analysis for the watershed protection planning efforts.
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)
Double Bayou watershed project boundary as used in development of and analysis for the watershed protection planning efforts.
TCEQ stations for development of the Double Bayou Watershed Protection Plan.
TCEQ stations for development of the Double Bayou Watershed Protection Plan.
Five monitoring stations established in partnership with the USGS for data collection pertaining to the development of and analysis for the Double Bayou...
The Child Opportunity Index 2.0 (COI) for 2010 launched in 2020. COI measures and maps the quality of resources and conditions (e.g., good early childhood education centers and schools, green spaces, access to healthy food, low poverty) that matter for children to develop in a he…
The Child Opportunity Index 2.0 (COI) for 2015 launched in 2020. COI measures and maps the quality of resources and conditions (e.g., good early childhood education centers and schools, green spaces, access to healthy food, low poverty) that matter for children to develop in a he…
This map layer depicts the climate zone designations used by the U.S. Department of Energy Building America Program by county boundaries (generalized).
The DOE working definition for DACs has been developed by an internal and external collaborative process and includes data for thirty-six (36) indicators collected at the census tract level. These 36 indicators can be grouped across the following categories (numbers in parenthesi…
This map shows the energy burden or percent of their income that is used to pay for energy bills for Texans earning 80% or less of Area Median Income in Louisiana.
Combined Heat and Power Installation in Texas.
This map shows the energy burden or percent of their income that is used to pay for energy bills for Texans earning 80% or less of Area Median Income.
DOE US Power Plants
Combined QCTs, LMISD, and Opportunity Zones for the E4-TX tool.
eBird trends data. Each 27km x 27km region is represented by a circle polygon scaled by the relative abundance. For more info, please check https://science.ebird.org/en/status-and-trends/faq
eBird trends data. Each 27km x 27km region is represented by a circle polygon scaled by the relative abundance. For more info, please check https://science.ebird.org/en/status-and-trends/faq
eBird prediction grids.
eBird prediction grids.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
eBird trends data.
This is a January 2023 snapshot of the Energy Star Portfolio Manager data for City of Houston buildings. This data was exported directly from the City of Houston’s ESPM shared to HARC and references Energy Use Intensity (EUI) Targets established by the 2022 City of Houston Decarb…
AVERT regions are aggregates of boundaries used by regional balancing authorities. AVERT regions are not strictly defined by state geography, but by the generators that fall within their borders. Thus, the map of AVERT regions is for representational purposes only. You can consul…
Assist managers of aquatic and terrestrial resources in understanding the regional patterns of the realistically attainable quality of these resources.
This geospatial dataset contains cancer risk estimates for the 2011 National Air Toxics Assessment (NATA). The dataset contains risk estimates by emissions source group and by pollutant at the census tract level. The cancer risk estimates are based on air quality and dispersion m…
This geospatial dataset contains cancer risk estimates for the 2014 National Air Toxics Assessment (NATA). The dataset contains risk estimates by emissions source group and by pollutant at the census tract level. The cancer risk estimates are based on air quality and dispersion m…
This geospatial dataset contains cancer risk estimates for the 2011 National Air Toxics Assessment (NATA). The dataset contains risk estimates by emissions source group and by pollutant at the census tract level. The cancer risk estimates are based on air quality and dispersion m…
This geospatial dataset contains cancer risk estimates for the 2014 National Air Toxics Assessment (NATA). The dataset contains risk estimates by emissions source group and by pollutant at the census tract level. The cancer risk estimates are based on air quality and dispersion m…
EPA's Enforcement and Compliance History Online dataset. Download from https://echo.epa.gov/.
Provide a nationally consistent environmental justice screening tool. This is the version 2019 of EJScreen data, which are block-group based, for data queries and mapping. HARC clipped it within Texas.
EJScreen is an environmental justice (EJ) screening and mapping tool that provides EPA with a nationally consistent dataset and methodology for calculating "EJ indexes," which can be used for highlighting places that may be candidates for further review, analysis, or outreach as …
EJScreen is an environmental justice (EJ) screening and mapping tool that provides EPA with a nationally consistent dataset and methodology for calculating "EJ indexes," which can be used for highlighting places that may be candidates for further review, analysis, or outreach as …
EJScreen is an environmental justice (EJ) screening and mapping tool that provides EPA with a nationally consistent dataset and methodology for calculating "EJ indexes," which can be used for highlighting places that may be candidates for further review, analysis, or outreach as …
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.