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FROI : LFICFRISTINii FAX NJ. : 650SOB96M Jan. 28 2003 06:45PM P7 9,13d2 of cyual relevance to unplanned indirect potable reuse such as municipal water intakes located downstream from wahtew:atar discharges at from increasingly polluted rivers and reservoirs. Examples include New Orleans, Louisiana on the Mississippi River and the Rhine Valley communities along the Rhine River in Germany and the Netherlands. Reclaimed water is a locally controllable water resource that exists right at the doorstep of the urban environment, where water is needed the most and priced the highest. Closing the loop of the water cycic not only is technically feasible in industries and municipalities but also makes economic sense. While potable reuse is still a distant possibility and may never be implemented except under extreme conditions, groundwater recharge with advanced wastewater treatment technologies is a viable option backed by the du atdcs of experience in Arizona, California, New York, and Texas as well as in Australia, Israel, Germany, the Nadterlands, and the United Kingdom. Water rouse has become an essential elcmont of future water resources development in integrated water rWOUrcos management; thus, our opportunities and challenges will continue well into the 21" century, Speeffic issues charged to the Mence and Health ... Workgroup 1. Charges The main charge of the Science and Health Issucs/lodirect Potable Reuse worItgroup is to examine the issues listed in the matrix, examine the scientific basis for current reuse standards, address the importance of emerging issues of scientific sad public health concern, identify any areas of resaerch needs, and substantiate the need to reconvene the California Indirect Reuse Commi ttce and suggest its scope of work, and make any other rccommendations to remove imp.edimema to water reuse. 2. Issues • Groundwater recharge • Surface water sugmonlation • Applied research on wastewater reuse by academic institutions • Pharmaceutical and trace elements • Construction, design, operation & maintenance . Testing and certification to insure safe use • Epidemiological studies update to provide current assessment of the science regarding public health and water reuse Groundwater recharge. State of California has been in the forefront of providing regulatory guidance in groundwater recharge with reclaimed wastewater. The State of California Intaragcney Water Reulamation Coordinating Committee has conducted the Scientific Advisory panel during 1986 -87 and issued the Report of the Scientific Advisory Panel on Groundwater Recharge with Reclaimed Wastewater in November 1987. Haled on the Scientific Advisory Panel Report, groundwater recharge criteria with reclaimed wastewater were drafted by the Department of Health Services in late 1980s