Leak Detection Survey Report for the city of Lytle
|Author||Edwards Underground Water District|
|Description||Leak detection and location survey report for City of Lytle, 1992. Note: this function was taken over by the San Antonio Water System in 2006.|
|Publisher||Edwards Underground Water District|
|Location||Medina County, Atascosa County, Bexar County|
On September 5, 1991, the City of Lytle submitted a request for the Edwards Underground Water District (EUWD) to perform a leak detection/location survey on its water distribution system. On November 25, 1991, a presurvey conference was held at the Lytle City Hall to discuss the work to be performed. It was agreed that EUWD would perform sonic leak detection on all available access points, computerized leak location as needed, record all system deficiencies found, and submit to the City an updated master water plat with the final report.
The survey began December 2, 1991, and was concluded on January 31, 1992. Over the course of the survey, EUWD surveyed a tot a 1 of 1,274 access points, including 973 customer service connections, 94 fire hydrants, 197 main valves, and 10 blow-off valves covering 29.40 miles of distribution main.
EUWD detected a total of 31 leaks. This total included 1 valve leak, 2 meter box leaks, 5 fire hydrant leaks, 6 service line leaks, 1 main line leak, and 16 customer side leaks. EUWD estimates 9,128 gallons per day has been saved by the repair of 10 detected leaks as of January 31, 1992. The leaks repaired to date range from 7,200 gallons per day to 3 gallons per day.
As part of the survey, EUWD located 144 buried main line valves with a ferromagnetic detector. EUWD noted 56 water meters that were not registering accurately and an additional 58 meter boxes that need cleaning.
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