Home/Gauges/West Virginia/Mercer CountyMercer County River Gauges5 active river gauges in Mercer County, West Virginia.at Payne BranchPYNW2Bluestone River near SpanishburgSPNW2Brush Creek near PrincetonGLWW2Camp Creek at Hwy 19 near Camp CreekCCKW2East River at WillowtonERVW2