Chamlin & Associates, Inc.

Chamlin & Associates has provided surveying, engineering and planning services to Grundy County and surrounding counties for nearly 70 years. We are staffed with over 45 employees, including civil and structural engineers, flood plain managers, and land surveyors. We also have offices located at 3017 Fifth Street, Peru, IL 61354 (815) 223-3344 and 218 W. Lafayette Street, Ottawa, IL 61350 (815) 434-7225. Services include land & topographical surveys, drone aerial surveys, flood elevation certificates, structural inspection and design, transportation and bridge design, site design, storm and sanitary sewers, water distribution systems, water and wastewater treatment plants, comprehensive floodplain studies, landfills, interceptor sewers, environmental assessments, planning and development, utilities, conservation projects and permitting.