For some homeowners, collecting rainwater can be a cost-efficient way of keeping their properties green. Rain barrel collecting water in the rain Canva loading...States Where It Is Illegal To Collect RainwaterThere are several states where there is absolutely no regulation on collecting rainwater. New Jersey, for example, offers a rebate program to some residents for their rainwater collection efforts. Unfortunately, there are also some states where residents need to know their local laws before filling up a barrel. The following states have regulations in place that limit or prohibit rainwater collection:ArkansasCaliforniaColoradoGeorgiaIdahoIllinoisLouisianaNevadaNorth CarolinaOhioOregonTexasUtahVirginiaWashingtonA full list of state regulations and possible rebate opportunities can be found HERE.