Austin Chapter of the Texas Master Naturalist. http://www.camn.org/

Angelina Neches River Authority Clean Rivers Program. What is the Clean Rivers Program? The Texas Clean Rivers Act of 1991 was enacted by the Texas State Legislature. http://www.anra.org/crp.htm 

AccuWeather - Great site for attaining current weather data for your monitoring site! Navigate to the Climatology page, where you can access the actual daily hi and low temps plus precip amts. for each day of the month. http://www.AccuWeather.com.

Brazos River Authority - works to conserve surface water resources of Brazos River basin. Includes information on various divisions within authority. http://www.brazos.org

Canadian River Municipal Water Authority - serving 11 cities in the Texas Panhandle & South Plains. http://www.crmwa.com/

Friends of the Rio Grande-FORG was setup to provide the Texas - Mexico border region of the state of Texas with assistance in promoting environmental awareness in an effort to improve the quality of the environment along the border. http://www.friendsoftheriogrande.com./

Guadalupe-Blanco River Authority - levels will vary at some GBRA hydro lakes now through December. Visit News for dates and details. http://www.gbra.org/

I Love Parks.com- ILoveParks.com is a new travel destination web site created by long time park advocate and former park ranger Rick LoBello. The site offers daily news updates and park information links to national, state and international parks plus links to other travel sites including tour companies around the world .http://www.iloveparks.com/

Lower Colorado River Authority - site includes info about business services, land use, river info, and community services. http://www.lcra.org/

Nueces River Authority established by the Texas Legislature, this commission makes decisions regarding the preservation and development of the Nueces River watershed. http://www.nueces-ra.org

Passports to Texas TPWD- Audio clips from Texas Parks and Wildlife on various nature related subjects http://www.passporttotexas.com/

Red River Authority - The Red River Authority was created in 1959. http://www.rra.dst.tx.us/

Sabine River Authority of Texas Home Page - The SRA is a governmental agency of the State of Texas created in 1949 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. http://www.sra.dst.tx.us/ 

San Antonio River Authority - Environmental services division. http://www.sara-tx.org/

San Marcos River Foundation - a nonprofit corporation founded in 1985 with a mission to preserve and protect the flow, natural beauty and purity of the San Marcos River. http://www.sanmarcosriver.org/

Surface Water Quality Monitoring Program - monitoring and assessing surface water quality in Texas.  http://www.tceq.state.tx.us/compliance/monitoring/water/quality/data/wqm/mtr/swqm.html

Texas Institute for Applied Environmental Research (TIAER)-http://tiaer6.tarleton.edu/. If you would like to subscribe to this mailing list, please send a message with subscribe in the subject line to info@tiaer.tarleton.edu.

Texas Guide to Rainwater Harvesting- A how to guide to rain water harvesting http://www.twdb.state.tx.us/publications/reports/RainHarv.pdf

Texas Nature Conservancy - a private, non-profit organization supported by members and working internationally to preserve the plants, animals and natural communities that represent the diversity of life on Earth by protecting the lands and waters they need to survive. http://nature.org/wherewework/northamerica/states/texas/

Texas Parks and Wildlife - guide to recreation activities, wildlife preserves, and much much more. http://www.tpwd.state.tx.us/

Texas Water Development Board. http://www.twdb.state.tx.us/

Texas Water Foundation - Its mission is to maintain and enhance the quality of life for all Texans by mobilizing Texans to recognize the vital role water plays in protecting human health, supporting economic growth and safeguarding natural resources. http://www.texaswater.org/

Texas Water Information Network -Water monitoring data and information http://www.txwin.net/

Trinity River Authority http://www.trinityra.org/

Upper Colorado River Authority - site includes info about public education and outreach, non-point source pollution,Clean Rivers Program, and rainfall information. http://www.ucratx.org/

USGS in Texas- great resource for on-line data, activities across the state and information about Texas. http://tx.usgs.gov