water development board twdb toggle navigation texas natural resources information system maps & data programs stratmap strategic mapping program stratmap contracts elevation lidar orthoimagery education & training geographic information office about us contact us javascript is not enabled many features of this website use javascript to enhance usability and provide a pleasant user experience . please see how to enable javascript data catalog download data order data online map services follow us on twitter start exploring our data data catalog browse data sets download data access digital data directly order data custom data requests online map services wms layers and more follow us on twitter texas natural resources information system latest news october 12th 2016 data catalog and data download updates fall 2016 we ve made some big updates to our data catalog and data download pages . read about the changes and watch short tutorials . october 10th 2016 tnris jobs seeking two new geo developers tnris is looking for two creative individuals to join their team of passionate solution seekers for the delivery of geographic information and location solution services . august 23rd 2016 notes texas gis community meeting 3rd quarter 2016 highlights from 3rd quarterly meeting 2016 of the gio . august 15th 2016 full 2015 statewide orthoimagery now available in esri basemap imagery service the 2015 statewide orthoimagery are now available to stream direct into your gis software via the esri basemap imagery service . more news updates around the state read more about the kim s careerkim ludeke retires from tpwd gis training & education 2016 training session now closed we ve completed the 2016 session . stay tuned as we announce the next session in the near future let us know if you have suggestions for courses that can be added to our program view 2016 past courses bringing the best not just in gis famed oceanographerrobert ballard feminist geographernazgol bagheri 2016 forum home learn more about the forum and register today 2016 lidar acquisition project facilitating efforts to maximize funding coordination and visibility of lidar acquisition for the state of texas . view project page providing the highest level of geographic data services to the people of texas rdc research & distribution let our hands on team of data specialists assist you with physical map products and other datasets many unavailable online . learn more about research & distribution gio geographic information office tnris hosts the state of texas s geographic information office gio an inter agency initiative to collaborate and facilitate the effective use of g.i.s. in state and local government . learn more about the geographic information office texas gis forum our annual gathering of the texas gis community showcasing the latest innovations and talent in the field . learn more about the texas gis forum privacy security policy accessibility open records request compact with texans fraud & waste trail texas.gov twdb maps & data data catalog research & distribution rdc data download data & mapping solutions online mapping services custom map creation programs stratmap education & training hpids site about us contact us order data location 1700 n. congress room b 40 austin texas 78701 view map 512 463 8337 content of this site texas natural resources information system and texas water development board unless otherwise noted .