Industry Links
Illinois
Illinois Dept. of Public Health Water Well Code
Illinois Geological Survey
Missouri
Missouri Dept. of Natural Resources Wellhead Protection Division
PDF File Missouri Heat pump Code
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
Bard HVACBryantClimate MasterFHP Manufacturing
GeoComfort
Trane
Water Furnace
Carrier
Industry Trade Organizations
Geothermal Alliance of IllinoisInternational Ground Source Heat Pump Association
Illinois Association of Groundwater Professionals
GeoExchange
ShoeMan Water Projects