Business / Agriculture / Percolation: The movement of water downward and radially through subsurface soil layers, usually continuing downward to groundwater. The rate at which soils permit percolation is a measure of the vulnerability of groundwaters to contamination by surface waters as well as a determinant in the siting of septic fields.

Percolation Test

Business / Real Estate / Percolation Test: A test of the soil to determine if it will absorb and drain water adequately to use a septic system for sewage disposal. MORE

Percolation Test Or Perc. Test

Business / Construction / Percolation Test Or Perc. Test: Tests that a soil engineer performs on earth to determine the feasibility of installing a leech field type sewer system on a lot. A test to determine if the soil on a proposed building lot is capable MORE

Palmer Drought Index

Business / Agriculture / Palmer Drought Index: A measure of the severity of prolonged periods (months or years) of abnormal dryness or wetness over large regions, published periodically by the Joint Agricultural Weather Facility. The Palmer Index MORE