Industry Links

Illinois

• Illinois Dept. of Public Health Water Well Code
• Illinois Geological Survey

Missouri

• Missouri Dept. of Natural Resources Wellhead Protection Division
• Missouri Heat pump Code (PDF)

Iowa

• Iowa Geological Survey
• Iowa Dept. of Natural Resources Water Supply Operations

Indiana

• Indiana Dept of Natural Resources Division of water and Wells
• Indiana Geological Survey

Geothermal Heating and Cooling Manufacturers

Industry Trade Organizations

Citizen's Rights