- If you need to dump black and gray water, Buffalo West Virginia has several options nearby.- You can find fresh water and a hose for flushing tanks at most of the dump stations.- The closest options include Hometown RV Center, Rippling Waters Campground, and Kanawha State Forest Campground.- Other options include Little Coal River Campground, Hatfield McCoy Trails - Buffalo Mountain Trailhead, and Charleston KOA Holiday.- Most dump stations have a trash bin for waste disposal.