I just spoke w/ the AZG&F Region Supervisor for Kaibab and AZ Strip Luke Thompson . I also spoke to him a few weeks ago Re: the Laws of the use of Trail Cameras . Yes a Law was proposed in April , Outlawing the use of TrailCameras , but as of yet , it is a Law that is currently not being enforced due to additional data/research/concerns/ etc . Apparently , what initiated the proposal , is foremost, Animal Rights activists believe the use of TrailCameras on Water , deterrs the wildlife's behaviors , preventing Wildlife the use of Water . After further study, those were false claims . Second issue : There have been at times people have dumped Water Softener salt , dish soap and other chemicals in water troughs , in many locations ,preventing wildlife the use of Water. Another issue , and one AZG&F will be monitoring closely , is littering, dumping Batteries on the water site, contaminating the grounds . AZG&F and NPS do prefer TrailCam users to have visible identification on the Cameras .