The U.S. Army Corps of Engineers, in cooperation with the City of Arvada and the Urban Drainage and Flood Control District, will hold an open house on Tuesday, May 9 from 6 to 8 p.m. at the Arvada City Hall (Anne Campbell Room), located at 8101 Ralston Road in Arvada, Colorado. The objective of this study is to find solutions to reduce flood risks and improve public safety along approximately 3.5 miles of Ralston Creek within the city limits of Arvada.