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Important Links



Center for Advances in Water and Air Quality

The Center for Advances in Water and Air Quality (CAWAQ) promotes understanding of critical environmental issues and develops solutions for mitigating challenges in water and air quality faced by industries and global community through research, educational programs, and community outreach.

The latest forecast for air quality conditions in Texas' metropolitan areas...

The AirData website gives you access to air quality data collected at outdoor monitors across the United States, Puerto Rico, and the U. S. Virgin Islands. The data comes primarily from the AQS (Air Quality System) database. AirData lets you display and download monitored hourly, daily, and annual concentration data, AQI data, and speciated particle pollution data...

Download the TCEQ's current chapters in Adobe Portable Document Format (PDF) or the official version in HTML format...

A number of laws serve as EPA's foundation for protecting the environment and public health. However, most laws do not have enough detail to be put into practice right away...

Coastal environmental protection is an integral part of the Texas General Land Office mission. The agency addresses coastal environmental damage both proactively and reactively, through efforts such as educating the public to change bad habits, and cleaning up messes caused by others....

The Health and Environmental Research Online (HERO) database provides an easy way to access and influence the scientific literature behind EPA science assessments.....

The TERP program provides financial incentives to eligible individuals, businesses, or local governments to reduce emissions from polluting vehicles and equipment.....

Learn the condition of local streams, lakes and other waters anywhere in the US... quickly and in plain language. See if your local waterway was checked for pollution, what was found, and what is being done. The source of this information is a US Environmental Protection Agency (EPA) database of State water quality monitoring reports provided under the Clean Water Act...

What is state water? How is it regulated in Texas? Who needs a permit to use it? Find out how to apply to use state water or to change the ownership or authorizations of an existing water right...

The TCEQ is constantly improving its activities to monitor, evaluate, and protect our natural waters. The page highlights successful strategies employed for preserving and improving the quality of rivers, lakes, and bays...

The Texas State Implementation Plan (SIP) is the state’s comprehensive plan to clean the air and meet federal air quality standards...

The TCEQ is responsible for maintaining and enhancing water quality in the state. One aspect of that responsibility involves implementation of theTexas Surface Water Quality Standards when issuing permits for wastewater discharges to surface waters of the state. The TCEQ issues wastewater permits under a program called the Texas Pollutant Discharge Elimination System (TPDES)....

The Texas Integrated Report describes the status of Texas’ natural waters based on historical data. It assigns waterways to various categories depending on the extent to which they attain the Texas Surface Water Quality Standards, which were developed to define water quality and the criteria for which that quality is measured....

EPA developed the NCOD to satisfy the statutory requirements set by Congress in the 1996 amendments to the Safe Drinking Water Act (SDWA) to maintain a national drinking water contaminant occurrence database using samples data for both regulated and unregulated contaminants in public water systems.....

Learn about the four most important greenhouse gases-carbon dioxide, methane, nitrous oxide, and fluorinated gases-and options for reducing emissions. Learn about the main human activities that add greenhouse gases to our atmosphere and opportunities to reduce emissions from these sources.....