- Forest Grove has a few dump sites for travelers who want to stick close to town. - There are four popular dump stations in the area. - The Elks Lodge Forest Grove # 2440 Dump Station has rinse water for RVs. - City of Hillsboro Water Facilities has facilities for non-potable rinse water and water hose with good pressure. They have a Waste Water Treatment Plant for secure disposal of wastewater. - Newberg Waste Water Treatment - City of Newberg RV Dump Site has a 24-hour service for the public with water 2-3 gallons for wash down only.