The City of Porterdale has decided to not let sleeping dogs lie. During its work session Thursday, the council discussed options for controlling dangerous dog breeds.A revised animal control ordinance went into effect for Porterdale March 2009, and the council has decided to tighten up on the restrictions as specified in the ordinance.Points of interest in the ordinance include the restraint of dogs both on and off an owner's property, and the registration and restraint of vicious dogs.Vicious dogs are defined by the ordinance as "any dog that inflicts a severe injury that results in broken