AWWA ACE65186

This powerpoint presentation outlines an effort by the Kauai Grove Farm Project to convert from groundwater to surface water as the sugar plantation itself was converted from agricultural use to a new housing development. The potential for new developments was restricted by a limited groundwater supply in the Lihue/Puhi area of the island of Kauai in Hawaii. In February 2004 a partnership was created between Grove Farm and the Kauai Department of Water (DOW) that resulted in a water purchase agreement where Grove Farm proposed to take the lead in building a Surface Water Purification Facility. In response to transitional concerns about the affect, if any, that new surface water will have on a distribution system conditioned for decades to groundwater, Grove Farm Company and Kauai DOW commissioned a study to provide real-time potential impacts to customers in their homes, and examine conditions of release of galvanized service line tuberculation. Topics addressed include: plantation home test site; testing and sampling; six phases of the test schedule; field water quality results; corrosion inhibitor description; purification facility process; and, implementation of study recommendation to feed inhibitor results in successful transition. Includes tables, figures.