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Texas State Implementation Plan

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


Click on an area of the map for information about that area's air quality plans:


Link to Information on statewide SIPs including the Regional Haze SIP and the Clean Air Interstate RuleLink to information on the Beaumont Port Arthur areaLink to Information on the Corpus Christi areaLink to Information on the Victoria areaLink to Information on Houston Galveston Brazoria areaLink to Information on Beaumont Port Arthur areaLink to Information on Northeast Texas areaLink to Information on San Antonio areaLink to Information on Austin areaLink to Information on El Paso areaLink to Information on DFW area


Additional information on Texas air quality planning


General information about state implementation plans

SIP Hot Topics

Current issues related to the Texas SIP

SIP Glossary

Special terms and abbreviations used in the Texas SIP

Texas Air Quality Rules

Information about air quality improvement and conformity regulations

Criteria Pollutants

About the six pollutants regulated under the Federal Clean Air Act

Texas SIP Revisions and Other Air Quality Plans

List of adopted SIP revisions and agreements from the 1970s to the present

Get Information or Contact Staff

TCEQ SIP staff contacts



Former EPA Region 6 Administrator Mayor Richard Greene commented on the success of Texas' SIP implementation in May 2009.  Download the transcript in PDF or view the video clip in one of the following formats.

Play using Windows Media Player Play using   RealPlayer Play using Quick Time