he City of Portland, long considered a leader in the protection of the environ- ment in the northwestern United States, is building sustainable stormwater projects around the city to reduce the detrimental impacts of stormwater runoff on the Willamette River and surrounding tributaries. In November of 2004, a pilot project to install Ecoloc ® permeable interlocking concrete pavement (PICP) in the 80-year old Westmoreland neigh- borhood was undert

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