Although this is a late response, I have had much success with subsurface drainage systems of the geocomposite types, such as Contech Stripdrain or GeoTechniques TerraFlow that have a 4-oz geotextile overwrap, using well-graded concrete sand meeting the requirements of ASTMC-33 fine aggregates...
I am researching the use of plastic storm chambers used to retain stormwater underground and recharge groundwater. These are relatively new compared to tradional corrugated metal pipe systems and represent a different design approach by combining the voids in the surrounding aggregate...
