Conductivity and Dielectric Constants for Common Types of Earth


 
SURFACE TYPE Dielectric Constant Conductivity (S/m) Quality
Fresh Water 80 0.001  
Salt water 81 5.0  
Pastoral, low hills, rich soil typ Dallas, TX to Lincoln, NE areas 20 0.0303 Very Good
Pastoral, low hills, rich soil typ OH and IL 14 0.010  
Flat country, marshy, density wooded, typ LA near Miss. River 12 0.0075  
Pastoral, medium hills and forestation, typ MD, PA, NY (exclusive of mountains and coastline) 13 0.006  
Pastorall, medium hills and forestation, heavy clay soil, typ central VA 13 0.005 Average
Rocky soil, steep hills, typ mountainous 12-14 0.002 Poor
Sandy, dry, flat, coastal 10 0.002  
Cities, industrial areas 5 0.001 Very Poor
Cities, heavy industrial areas, high buildings 3 0.001 Extremely Poor