Many lakes in the Southeast have pipe systems that were built 15-30 years ago. AES gets numerous calls on failing pipes. There are on occasion some inexpensive fixes that will work if the riser pipe is the only issue. Many times AES has found that the best method is pressure grouting the old system and installing a new siphon system. If installing a siphon system and pressure grouting this allows the dam integrity not to be disturbed. Give us a call for the pipe repair before the lake level is lost completely.