If you buy water from a water rights holder, you need to do one of the following: Water supply contracts are legal agreements between a water rights holder (seller) and another company (buyer) that wants to buy water for a certain period of time. Requirements for applications for water rights and instructions and forms for amending an existing water rights licence. Or you can apply for a permit, but you must follow the provisions of the existing water law. If this is not the case, the holder of the water right may request that his right to water be modified to take account of that use and quantity. If you are the buyer, everything you do with the water you buy must already be included in the existing water law. If you are the current holder of the water rights and the buyer is not taking any of the above actions, you must: Surface Water Rights Applications and Changes of Ownership To learn more about the status of a contract or for assistance in filing a contract, please contact the Water Rights Permit team at 512-239-4600 or email us at WRWSContract@tceq.texas.gov. Exceptions are described in Title 30 of the Texas Administrative Code (TAC 30) subsection 297.101(b). . .