Porous Pavement Technical Bulletin
Porous pavements serve as an alternative to conventional road and parking lot construction materials. Their primary advantage is their ability to reduce urban runoff. The University of Rhode Island Cooperative Extension in partnership with the Rhode Island Department of Health Source Water Protection Program offer guidelines for the use of porous pavements
http://www.asphaltindiana.org/docs/PorousPaveTechR
hodeIs.pdf