Texas Water Code - WATER § 58.121. Purposes of District

(a) Irrigation districts operating under this chapter are limited purpose districts established primarily to deliver untreated water for irrigation and to provide for the drainage of lands and such other functions as are incidental to the accomplishment of such limited purposes. An irrigation district shall not engage in the treatment or delivery of treated water for domestic consumption or the construction, maintenance, or operation of sewage facilities or provide any other similar municipal services. An irrigation district may cooperate with the United States under the federal reclamation laws for the purpose of:

(b) An irrigation district operating under this chapter may contract with municipalities, political subdivisions, water supply corporations, or water users for the delivery of untreated water.