Gewalt Hamilton Associates, Inc. (GHA) provided civil engineering services for the Lake County Forest Preserve District’s Operations and Public Safety Center, located in the Fourth Lake Forest Preserve, just south of the Village of Lindenhurst, Illinois. The project included construction of a 100,000-square-foot public safety facility, a 180-space parking lot, fuel and material storage facilities, and widening improvements for access onto IL Route 132.

GHA engineered an extensive system of bio-swales, settling pools, and wetland plantings into the design of the site’s stormwater management system. This was done meet and exceed the requirements of the Lake County Watershed Development Ordinance and the objectives of the Lake County Forest Preserve District.