The Board appoints directors for regional water development agencies such as the Lower Neches Valley Authority.

[1] In the 2007 Texas constitutional amendment election, Proposition 16 on the ballot passed with more than 60% of the vote, allowing the board to issue up to $250 million in bonds to find its operations.

In 1972, after four years of growth and diversification, it was renamed the Texas Natural Resources Information System (TNRIS).

TxGIO provides a central access point for Texas Natural Resources data, census data, digital and paper maps, and information about datasets collected by state agencies and other organizations.

It publishes historical and current aerial photography and printed topographic maps from the United States Geological Survey as part of its public domain data warehouse.