Retention basin

Reference: A.2.1

LEME Adaptation

Collect runoff water for local non-drinking usage instead of resorting to utility facilities

Underground structure of runoff water with regulated drainage system under green areas, sports field, or for smaller volumes at private homes

Decrease of overall water consumption (10% minimum) or % of non-potable use provided by collected water (20% minimum)

Estimated pay back time short term : 2-4 years, medium term: 4-6 years, long term : 6-8 years (*)

Medium term

Land analysis of the area of the project Underground basins require regular maintenance