A bored, drilled, or driven shaft or hole, the depth of which is greater than its width, and which disposes of unwanted water, most commonly stormwater runoff, by dissipating it into the ground, where it infiltrates to groundwater.
DRYWELL

A bored, drilled, or driven shaft or hole, the depth of which is greater than its width, and which disposes of unwanted water, most commonly stormwater runoff, by dissipating it into the ground, where it infiltrates to groundwater.