Texas Water Code - WATER § 11.142. Permit Exemptions

(a) Without obtaining a permit, a person may construct on the person's own property a dam or reservoir with normal storage of not more than 200 acre-feet of water for domestic and livestock purposes. A person who temporarily stores more than 200 acre-feet of water in a dam or reservoir described by this subsection is not required to obtain a permit for the dam or reservoir if the person can demonstrate that the person has not stored in the dam or reservoir more than 200 acre-feet of water on average in any 12-month period. This exemption does not apply to a commercial operation.

(b) Without obtaining a permit, a person may construct on the person's property a dam or reservoir with normal storage of not more than 200 acre-feet of water for fish and wildlife purposes if the property on which the dam or reservoir will be constructed is qualified open-space land, as defined by Section 23.51, Tax Code. This exemption does not apply to a commercial operation.

(b) Without obtaining a permit, a person may construct on the person's property in an unincorporated area a dam or reservoir with normal storage of not more than 200 acre-feet of water for commercial or noncommercial wildlife management, including fishing, but not including fish farming.

(c) Without obtaining a permit, a person who is drilling and producing petroleum and conducting operations associated with drilling and producing petroleum may take for those purposes state water from the Gulf of Mexico and adjacent bays and arms of the Gulf of Mexico in an amount not to exceed one acre-foot during each 24-hour period.

(d) Without obtaining a permit, a person may construct or maintain a reservoir as part of a surface coal mining operation under Chapter 134, Natural Resources Code, if the water in the reservoir is used solely for: