percolation test

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percolation test

[pər·kə′lā·shən ‚test]
(civil engineering)
A test to determine the suitability of a soil for the installation of a domestic sewage-disposal system, in which a hole is dug and filled with water and the rate of water-level decline is measured.

percolation test

A test to determine the rate at which a particular soil absorbs effluent; a hole is dug in the soil and filled with water, then the rate at which the water level drops is measured. (See illustration p. 716.)
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I found a local guy to do a perc test and then went down to the zoning office again to sign an ancient looking piece of paper with a name like "privy permit" and came out about $130 poorer.
After the site passed perc tests in July, engineers moved the proposed septic system to a lawn near the intersection, while the parking lot will be located on the southeastern boundary, about seven feet from the existing school parking lot.