Before swimming nude in the state of Arizona it may be helpful to know the indecent exposure law under A.R.S. § 13-1402. This statute mentions that one can not be 'reckless about whether the other person, as a reasonable person, would be offended or alarmed by the act'. You can visit the City of Surprise on-line for updates to the municipal code, or you might want to phone the Surprise City Clerk's office at (623) 583-1000 for more information.