American Society of Civil Engineers

American Water Works Association

County Commissioners Association of Ohio

County Engineers Association of Ohio

County Sanitary Engineers Association of Ohio

National Society of Professional Engineers

Ohio American Water Works Association

Ohio Environmental Protection Agency

Ohio Rural Water Association

Ohio Training Committee of Ohio

Ohio Utilities Protection Service

Ohio Water Environment Association

Sandusky County Commissioners

Sandusky County Engineers

Sandusky County Geographic Information System (GIS)

Sandusky County Health Department

Water Environment Federation

10 States Standards