Yes, the City of Rowlett Code of Ordinances Chapter 6-4 (Running at Large) states,
"(a) It shall be unlawful for any owner of an animal (other than a cat), to cause, permit, suffer or allow the animal to run at large.
(b) Any animal control officer or police officer is authorized to impound such animals running at large, other than a cat, and may impound a cat upon receipt of a complaint that the cat causes a nuisance or hazard to the health or welfare of any person or animal."