Chadan Engineering, Inc., is a civil engineering consulting and design firm located in St. Clairsville, Ohio.  Founded in 1979 by Charles S. Garvick in Moundsville, WV, Chadan is a well-established firm with bold vision.  We have designed sites in Ohio, West Virginia, Maryland, Pennsylvania, Kentucky, Tennessee, and Indiana, and have consulted with engineering firms in North and South Carolina, New York, Georgia, and Wisconsin.  We have the knowledge and expertise to make your vision a reality - on time and within budget.  Chadan has completed projects for single family residences to large scale subdivisions, 1-acre commercial sites to 100-acre industrial sites. We have produced stormwater studies for a 6,000-square-foot car wash to a culvert crossing with a 400-acre drainage area.  With a proven reputation of delivering innovative solutions, Chadan provides the same amount of expertise for any size job.