The current Cursory Floodplain Dataset developed by TWDB in 2021 is a statewide set of 3-meter resolution flood hazard rasters that includes probability frequencies of 20% (5-yr), 10% (10-yr), 1% (100 ...

Texas has 367 miles of coastline within which 21 river basins terminate, bringing fresh water from surface run-off, rivers, and streams into individual bays. Here, bounded by barrier islands, the ...

Do I need to register my water well, and if so, how do I do that? Private water well owners in Texas do not need to register their well unless the property falls within the jurisdiction of a ...

Click here for a printable version of these procedures. Before you begin you will need at a minimum the following information: When the well was drilled, or at least an approximate date or year Name ...

Lake Corpus Christi (also known as Wesley E. Seale Dam, Lake Lovenskiold or Lake Mathis) is located four miles west of Mathis, at the intersection of the Live Oak, San Patricio, and Jim Wells county ...

The Texas Water Development Board (TWDB) Groundwater Database (GWDB) contains information on selected water wells, springs, oil/gas tests (that were originally intended to be or were converted to ...

Senate Bill 137 (1975), House Bill 2 (1985), Senate Bill 683 (1987), and other legislative directives called for the Texas Water Development Board (TWDB) to maintain a data collection and analytical ...

The Flood Planning Data Hub is the source for information compiled by the TWDB for the regional flood planning groups. This includes resources from many entities. An index of GIS resources is ...

The mission of the water conservation staff is to provide leadership, planning, education, information, technical assistance, and agricultural financial assistance for water conservation in Texas. In ...

Desired future conditions are defined in Title 31, Part 10, §356.10 (6) of the Texas Administrative Code as "the desired, quantified condition of groundwater resources (such as water levels, spring ...

There are seven major and five minor bay and estuary systems covering 2.6 million acres along the Texas Gulf Coast. These estuarine ecosystems include open water bays, intertidal mudflats, and ...

Groundwater, along with surface water, is important for maintaining the viability of the state's natural resources, health, and economic development. The projected doubling of the state's population ...