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A dry well or drywell is an underground structure that disposes of unwanted water, most commonly surface runoff and stormwater, in some cases greywater or water used in a groundwater heat pump. It is a gravity-fed, vertical underground system that can capture surface water from impervious surfaces, then store and gradually infiltrate the water into the groundwater aquifer.
Such a structure is also called a dead well, absorbing well, or negative well, and in the United Kingdom a soakaway or soakage pit,[1] and in Australia a soakwell or soak pit.[2][3]
- ^ "Permeable surfacing of front gardens: guidance". GOV.UK. Ministry of Housing, Communities & Local Government. Retrieved 5 February 2022.
- ^ Davis, Jacques. "Environmentalist". Perth Soakwells Pty Ltd. Retrieved 13 March 2016.
- ^ "Stormwater". Mornington Peninsula Shire. Retrieved 5 February 2022.