For those in Purdy, Washington looking to dump black and gray water or refill fresh water tanks, a few options are available.Gig Harbor RV Resort provides a dump station with a hose for flushing tanks and a trash bin for waste disposal.The Union 76 Station also has a dump station available for public use.The Karcher Creek Wastewater Treatment Plant has a designated area for RV dumping and provides potable water for refills.Additionally, the Bremerton Wastewater Treatment Plant offers an RV dump site with access to potable water.