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Natural Resources

Border Colonia Geography Online. Online mapping application that shows the colonia areas in the state. From the Texas Attorney General's office.
Envirofacts Data Warehouse. Brought to you by the Environmental Protection Agency, this is the place to search for your county and see how it is doing on environmental issues.
EPA ZIP Code Search. Locate pollution, waste sites, regulated sites, environmental conditions for your watershed, etc. Just enter a zip code, select the type of information you are searching for and then submit the form. A map will be returned showing the information you have requested.
Federal Emergency Management Agency (FEMA). The federal agency charged with building and supporting the nation's emergency management system. This is the main page of their web site.
FEMA Map Service Center. The Map Service Center (MSC) distributes National Flood Insurance Program (NFIP) materials to a broad range of customers, including Federal, State, and local government officials; real estate professionals; insurance providers; appraisers; builders; land developers; design engineers; surveyors; lenders; and the public.
FEMA Flood Hazard Mapping - DFIRM. Information about the draft Digital Flood Insurance Rate Map (DFIRM) Spatial Database.
Federal Brownfields Resources. Links to information on Brownfields from the U.S. Environmental Protection Agency. A brownfield is a site that has actual or perceived contamination and an active potential for redevelopment or reuse.
Local Government Environmental Assistance Network. The Local Government Environmental Assistance Network is a forum and clearinghouse of environmental information for local government. It provides 24-hour access to regulatory and pollution prevention information, message boards, regulatory updates, grants and financing information, and much more.
National Climatic Data Center. Historical weather information with most of the data or publications for sale, but some free information.
Office of the State Climatologist. OSC retains a large data base covering Texas and southern states and, as well as publishing regular reports and monographs, undertakes research on climate patterns and applied meteorology.
US EPA Publications. On-line documents from the U.S. Environmental Protection Agency (EPA) including brownfield issues.
Socioeconomic Data and Applications Center. SEDAC's mission is to develop and deliver information products and services that integrate social and natural science data in ways useful for decision making. Developed and operated by CIESIN. See above.
Surf Your Watershed. This page is from the Environmental Protection Agency (EPA). You can click on a map of Texas to find out information about your watershed and find out about the water quality within that watershed.
TCEQ Home Page. The Texas Commission on Environmental Quality is the lead environmental agency for the state.

Texas Colonia Project. The Office of the Attorney General created and maintains an extensive Colonia Geographic Database for the border region. You can view individual county maps which show the locations of the colonias within the county. 

The Texas Natural Resources Information System (TNRIS). The Texas Natural Resources Information System (TNRIS) is the state's clearinghouse and referral center for natural resources data. Its primary purpose is to make data available to data users quickly and reliably.

Texas Water Development Board. The Texas Water Development Board's (TWDB) mission is to provide leadership, technical services and financial assistance to support planning, conservation and responsible development of water for the State of Texas.
Texas Waternet. A service of the Texas Water Resources Institute at Texas A & M University. Search the subject index for publications or locate a link. You can also access their database of researchers from Texas universities with expertise in water related issues.


University of Texas

Bureau of Economic Geology. A contract based research unit of the University of Texas.

Obtaining Hydrologic Data through the Internet. Find out about Digital Elevation Models (DEMs), Digital Line Graphs (DLGs), Hydrologic Unit Codes(HUCs), Land Use/Land Cover Files (LULC), and River Reach Files (RF1).

Other Useful Internet Sites for Water Resources and GIS. Includes links to federal agencies, international agencies, and Texas state agencies.
USGS -- GIS Data for Water Resources. This site serves as a node of the National Spatial Data Infrastructure (NSDI) for finding and accessing USGS spatial data related to water resources.
USGS Water-Use Information Program. Water-use information for planners, managers, policy makers, educators, and the general public.