I am sorry if you had trouble at the dog park. Nobody wants to take a dog away from a good and responsible owner. I called Animal Control twice recently on dogs without collars that others claimed to have seen often before.
Do you know that the dog park rules do not allow for bringing more then 3 dogs to the park? Do you know that we are supposed to be there with the dogs and our leads? Do you know that at any sign of aggression a dog has to be taken immediately away, out of the park according to the laws? I would never call Animal Control unless there seemed to be a real problem.
I do not know who you are and do not recognize the dog on your site, but I love the dog park and will be glad to be of assistance to you in any way I can. We have such a great space and working together to keep it pleasant and safe for all is in all our interest,
P.S.: I did call Animal Control on a dog that repeatedly sits out in the cold, in a backyard on lead with barely any room to move. The legal requirements are a 12 feet lead and a dog house I was told today by the officer. This dog has neither and really seems more of a lap dog then a hardy outdoor cold weather creature. My furry ones sure opened my eyes to the predicaments of other pets. For me it is not about rules and regulations, but the needs of those that can not speak out for themselves.