The board may purchase, lease, hold, accept as a gift, and transfer water, water rights or the right to use water as necessary to operate the bank and facilitate the transfer of water, water rights or the right to use water from the bank for future beneficial use in Texas, including accepting and holding donations of water rights to meet instream, water quality, fish and wildlife habitat, or bay and estuary inflow needs in accordance with state law.
31 Tex. Admin. Code § 359.3