The hydrology of Texas and the scientific and environmental characteristics of natural waters and water supply sources in Texas, with emphasis on fresh water. Topics might include lakes (including saline lakes), rivers, streams and their flow, groundwater, drinking water quality, water pollution, drought, and water conservation and management.

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Angelina-Neches River Authority
Based in Lufkin, includes parts of 17 counties. Includes information on managed lakes, clean rivers, utilities and composting programs.
Brazos River Authority
Develops and distributes water supplies, provides water and wastewater treatment, monitors water quality, and pursues water conservation through public education programs.
Canadian River Municipal Water Authority
Current lake level, contact information, and links.
Colorado River Foundation
Supports programs to clean up the river and develop public awareness of the quality of life provided by the river. River reports, waste collection projects, and a calendar of events.
The Edwards Aquifer
Information about one of the world's most well-known aquifers. Features graphs and charts, images, essays, and photos that describe how the aquifer formed.
Edwards Aquifer Authority
Covers Uvalde, Medina and Bexar counties, plus parts of four others. Includes water data, meeting and hearing dates, planning documents, regulations, and overview of aquifer and of organization.
Guadalupe-Blanco River Authority
Based in Seguin, includes parts of 10 counties from Kendall to Calhoun and Refugio. Includes information on board, staff, and departments, water and recreation facilities, and water quality data.
Lavaca Navidad River Authority
Based in Edna, covers parts of 9 counties to Lavaca Bay. Includes map, water quality and flow data, management plans and regional planning, and staff contacts.
Lower Colorado River Authority
Develops and distributes water supplies, provides water and wastewater treatment, monitors quality, and pursues conservation through public education programs.
Lower Neches Valley Authority
Headquartered in Beaumont, operates in Tyler, Hardin, Liberty, Chambers and Jefferson Counties. Includes information on conservation, utility, and economic development programs, with water quality data and staff organization.
Nueces River Authority
Headquartered in Uvalde, covers parts of 22 counties. Includes photos, descriptions of key projects, water quality and level statistics, and staff contact information.
NWISWeb Data
Water-resources data from thousands of collection points across the state. Includes realtime flow and levels for surface and ground water, and water quality data.
Sabine River Authority of Texas
Governmental agency of the State of Texas created as a conservation and reclamation district with responsibilities to control, store, preserve, and distribute the waters of the Sabine River and its tributary system for useful purposes. Headquarters in Orange, Texas.
San Antonio River Authority
Includes meetings and citizen comment opportunities, organization, and reports and information on water quality and levels. Headquartered in San Antonio, covers Medina and San Antonio rivershed in 8 counties from Bandera to Goliad.
San Jacinto River Authority
Includes current conditions, news, fact sheets about water terms, and photos.
Sulphur River Basin Authority
Maps, meeting times, and information on water quality, and Clean Rivers Program. Headquartered in Texarkana, covers parts of 10 counties from Fannin to Cass.
Texas Alliance of Groundwater Districts
(Formerly the Texas Groundwater Conservation Districts Association.) Information on meetings, publications and operating manuals, and aquifer maps.
Texas Groundwater Protection Committee
Consortium of state agencies and the Texas Association of Groundwater Districts, protecting groundwater resources. Information on Committee meetings and publications, with resources on wells, septic, pesticides and other issues.
Texas Living Waters Project
Works to ensure adequate water for environmental and human consumptive needs, reduce future demand for water, educated decision-makers, and involve citizens. Includes information about groundwater, planning, conservation, and economics.
Texas Water Development Board
State agency charged with statewide water planning and administration of low-cost financial programs for the planning, design and construction of water supply, wastewater treatment, flood control and agricultural water conservation projects.
Texas Water Resources Institute
Serves as a focal point for water-related research at Texas universities, encouraging discussion of statewide issues through meetings and multi-university studies. Includes calendar of events, newsletters, and reports.
Texas Waters Data
Information provided by Texas Parks and Wildlife on water conservation, drought data, wetlands, coastal studies, water data access, reports, and publications.
Texas Watershed Viewer - Texas Parks and Wildlife Department
Allows users to identify local watersheds, sub watersheds, river basins, and river sub basins throughout the State of Texas.
Trinity River Authority
Information on facilities, regional planning and environmental monitoring, recreation, water conditions, and employment. Based in Arlington, covers 17 counties from Tarrant to Liberty.
Upper Colorado River Authority
Current conditions, information about the Clean Rivers program, photos, and resources.
Upper Guadalupe River Authority
Includes information on environment, water quality, regional utility and watershed planning, weather, and employment. Located in Kerr County, from headwaters to boundary of Blanco-Guadalupe River Authority.
USGS Texas
Water resources of Texas. Features news, real-time water data, water quality reports, weather information, and mapping.
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Last update:
January 30, 2016 at 4:31:09 UTC
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