Dry well

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dry well

[′drī ‚wel]
(civil engineering)
A well that has been completely drained.
An excavated well filled with broken stone and used to receive drainage when the water percolates into the soil.
Compartment of a pumping station in which the pumps are housed.
(nucleonics)
The first containment tank surrounding a water-cooled nuclear reactor that uses the pressure-suppressing containment system.

Dry well

Underground structure that captures, then slowly releases stormwater runoff so that it can be absorbed by the soil.

absorbing well, dry well, waste well

A well used for draining off surface water and conducting it underground, where it is absorbed.

dry well

1. A covered pit either with open-jointed lining or filled with coarse aggregate through which drainage from roofs, basement floors, foundation drain tiles, or areaways may seep or leach into the surrounding soil.
2. Same as cesspool.
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References in periodicals archive ?
Police said the 50-year-old, who is a street sweeper, fell into the drywell in Uniondale, Long Island, at about 11pm on Monday while he was apparently trying to move a piece of plywood covering the drywell.
New Zealand's wastewater pumping stations are classified into two main groups: drywell WWPTs and wet-well WWPSs.
On smaller properties, he often digs a drywell, which is much like a regular well except that it doesn't reach ground- water and so is dry unless there have been recent storms.
The pumps installed could not handle the amount of solids being presented to them and each time the pumps blocked they needed to be spilt necessitating the installation of a dedicated swinging jib crane in the drywell.
Another approach is to incorporate an interconnected infiltration drywell or underground perforated piping system with a controlled overflow to the separate storm sewer.
During heavy rains, water coming off the hill washed out the gravel from the driveway, which then had to be re-graded and a drywell system installed in front of the garage.
A uniquely small sensor construction creates low immersion requirements, allowing the Hart Scientific 5624 to be used as a reference standard in 6-inch (153-mm) drywell calibrators and furnaces.
Mixers feature drywell construction around the low speed shaft for positive lubricant containments.
While still employed by Eckard, they formed their own partnership and successfully bid against Eckard for a County of Kauai drywell and culvert-cleaning project.
TABLE 4 Nonmechanical Sewage Systems 1996 1997 Type Number Type Number Drywell 783 Drywell 162 Leach lines 370 Leach lines 476 Subsurface sand filter 181 Subsurface sand filter 1 Privy 1 Privy 212 Other 84 Other 27 Total 1,419 Total 878 Total initial failure 59 (4.
In a more rural locale, where city zoning rules and building codes won't interfere, a more finny rooted version with a detached privy and a grey water drywell to dispose of cooking and wash water can serve as a place of their own for grandmother or an adult child who has come to live with you.
I called my good friend, an HVAC expert and former vocational tech teacher; he had an immediate answer: Your laundry drains into a drywell.