Texas Water Code - WATER § 26.033. Rating of Waste Disposal Systems

(a) After consultation with the Texas Department of Health, the commission shall provide by rule for a system of approved ratings for municipal waste disposal systems and other waste disposal systems which the commission may designate.

(b) The owner or operator of a municipal waste disposal system which attains an approved rating has the privilege of erecting signs of a design approved by the commission on highways approaching or inside the boundaries of the municipality, subject to reasonable restrictions and requirements which may be established by the Texas Department of Transportation.

(c) In addition, the owner or operator of any waste disposal system, including a municipal system, which attains an approved rating has the privilege of erecting signs of a design approved by the commission at locations which may be approved or established by the commission, subject to such reasonable restrictions and requirements which may be imposed by any governmental entity having jurisdiction.

(d) If the waste disposal system fails to continue to achieve an approved rating, the commission may revoke the privilege. On due notice from the commission, the owner or operator of the system shall remove the signs.