TCEQ Segments 2016: TCEQ_Segment_Lines_2016
TCEQ segments (circa 2016)
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)
TCEQ segments (circa 2016)
TCEQ segments (circa 2016)
TCEQ segments (circa 2020)
TCEQ segments (circa 2020)
TCEQ segments (circa 2022)
TCEQ segments (circa 2022)
TCEQ segments (circa 2025)
TCEQ segments (circa 2025)
Most recent TCEQ segments (circa 2022)
Most recent TCEQ segments (circa 2022)
Superfund consists of interrelated, but distinct programs that evaluate and clean up contaminated sites.
Sampling stations are sites where surface water quality data are collected by the TCEQ and its partner agencies.
Provide the watershed boundaires and information to the public and other governmental organizations about completed or developing 9-element WPPs in TX
TCEQ trash counts dataset.
The TCEQ Voluntary Cleanup Program (VCP) Sites layer is used to identify the geographic location of all "Active and Inactive VCP" sites within the State of Texas. This data layer can be used for a variety of purposes, including: the plotting of VCP sites on maps; utilization by f…
Waste site location density within census tracts in Texas compared to social vulnerability of the population within the census tract.
The District layer is used to identify the geographic location of water districts within the state of Texas. This information is used by state and local...
LIHTC Property Inventory May 20 2022
The health advisories are issued by TDSHS Seafood to inform consumers about potential health hazards associated with consumption of contaminated fish.
It us a subset of the National Hydrigraphy Dataset that has been filtered and modified for the TPWD Inland Fisheries Division and general agency use.
Seafood consumption and health advisories for Texas rivers in 2018.
Seafood consumption and health advisories for Texas sea water bodies.
Seafood consumption and health advisories for Texas sea water bodies. It chanded due to Bayport Channel Collision – May 11, 2019.
A water body is declared prohibited waters when a serious or imminent threat to public health has been identified.
Shellfish harvesting areas in 2014.
Shellfish harvesting areas in 2015.
Shellfish harvesting areas in 2016.
Shellfish harvesting areas in 2017.
Shellfish harvesting areas in 2018.
Shellfish harvesting areas in 2019.
Shellfish harvesting areas in 2020.
Shellfish harvesting areas in 2021.
Shellfish harvesting areas in 2022.
Shellfish harvesting areas in 2023.
Shellfish harvesting areas in 2024.
Shellfish harvesting areas in 2025.
Overlay the 2014-2025 shellfish harvesting data to show which areas have been harvested the most along the Texas Coast.
Map of the Texas competitive electric market by transmission and distribution utility (TDU) created by the Texas Energy Poverty Research Institute (TEPRI) by...
Texas Area Codes
To improve the appearance of shapes at small scales, areas are represented with fewer vertices than detailed TIGER/Line equivalents. These boundary files take up less disk space than their ungeneralized counterparts. Cartographic boundary files take less time to render on scree…
To improve the appearance of shapes at small scales, areas are represented with fewer vertices than detailed TIGER/Line equivalents. These boundary files take up less disk space than their ungeneralized counterparts. Cartographic boundary files take less time to render on scree…
In order for others to use the information in the Census MAF/TIGER database in a geographic information system (GIS) or for othergeographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles.
In order for others to use the information in the Census MAF/TIGER database in a geographic information system (GIS) or for othergeographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles.
Cities and places in Texas a defined by US Census.
Centroids of cities and places in Texas a defined by US Census.
Counties along Texas coast that comprise the Texas Coastal Zone. Dissolved from Texas_Counties_Political dataset.
Representation of areas that fall within each COG boundary
Texas Counties per US Census showing coastline delineations.
Texas Counties per US Census showing full political boundary delineations.
Texas_Counties_Political simplied boundary. For time series app usage.
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.