Infiltration chambers being installed.
Chamber systems can be very large, both in terms of depth and footprint...
...or very small as this residential soakaway/dry well.
Parking lot stormwater detention system, partially installed. Photo credit: Arbitrarily0
Contractors construct an underground soakaway on the runway extension of Taxiway Alpha as shown here Oct. 5, 2012, at RAF Mildenhall, England. Photo credit: Karen Abeyasekere