1. A pit or underground structure designed to allow water to drain into the soil, used for managing stormwater runoff or septic system drainage.
Usage: Also called a dry well or seepage pit.; Common in residential and commercial drainage systems.

Examples

• The contractor installed a drywell to handle excess rainwater from the roof gutters.
• A properly constructed drywell helps prevent flooding in the basement during heavy storms.
• The septic system relies on a drywell to disperse treated wastewater into the ground.
• Homeowners in areas with poor drainage often benefit from adding a drywell to their property.
• The drywell was lined with gravel and perforated pipe to improve water infiltration.