Proceedings of the 1989 Georgia Water Resources Conference, May 16-17, 1989, Athens, Georgia.The water supply in Georgia has been taken for granted since early times. With an average rainfall of over 50.inches annually, many large and small fresh water lakes, thousands of rivers and streams, and possibly the largest underground aquifer in the world, most Georgians have not seriously thought of the possibility that some day we could have a water shortage. The droughts of 1986 and 1988 made all Georgians keenly aware that what once seemed to be an abundant supply of water is indeed a precious, limited resource. But quantity is only one aspect of the issue, quality is also very important. Agricultural water users are concerned with both of th...