General animal-keeping rules: restraint requirements, cruelty prohibition, animals in public places, and restrictions/allowances on specific types and numbers of animals permitted.
Dogs & animal control — Mills, Wyoming
Do I need a dog licence? What are the leash rules?
The Town of Mills, Wyoming has 4 adopted ordinances on file: Chapter 6.01 - Animals, General Provisions; Chapter 6.03 - Registration; Chapter 6.04 - Animal Bites and Attacks; Chapter 6.06 - Impoundment, verified 2026-09-22.
Requires registration of any dog or cat over 6 months old (name, breed, color, age of pet and owner's info), plus separate kennel/cattery registration for 5+ dogs or cats at one location.
Requires animal control to investigate/classify every bite or attack, sets mandatory conditions of release for dangerous or nuisance animals, and owner-notification duties.
Impoundment procedure for animals running at large; owner may reclaim an impounded animal on compliance with registration/tattooing rules and payment of fees.