|Hydrologic Soil Group||Description
||High infiltration rates. Soils are deep, well drained to excessively drained sand and gravels.
||Moderate infiltration rates. Deep and moderately deep, moderately well and well-drained soils with moderately coarse textures.
||Moderate to slow infiltration rates. Soils with layers impeding downward movement of water or soils with moderately fine or fine textures.
||Very slow infiltration rates. Soils are clayey, have high water table, or shallow to an impervious cover.
||Combination of Soil Group B and C