Key:basin

Used for more detailed specification of landuse=basin.

Key	Value	Element	Comment	Rendering	Photo
basin	infiltration		A special basin used for infiltration of rainwater. From Wikipedia: "It is essentially a shallow artificial pond that is designed to infiltrate stormwater though permeable soils into the groundwater aquifer. Infiltration basins do not discharge to a surface water body under most storm conditions, but are designed with overflow structures (pipes, weirs, etc.) that operate during flood conditions."
basin	detention		A special basin used for detention of rainwater. From Wikipedia: "A detention basin is a stormwater management facility ... that is designed to protect against flooding and, in some cases, downstream erosion by storing water for a limited period of a time. These basins are also called "dry ponds", "holding ponds" or "dry detention basins" if no permanent pool of water exists." The picture beside show a "dry pond"
basin	retention		A special basin used for retention of rainwater. From Wikipedia: "A retention basin, is a type of best management practice (BMP) that is used to manage stormwater runoff to prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay. Sometimes called a wet pond or wet detention basin, it is an artificial lake with vegetation around the perimeter, and includes a permanent pool of water in its design."

See also

Proposed_features/basin=infiltration - original proposal