(This story was updated on May 9, at 2:20 p.m.)The Kempner Water Supply Corporation rescinded a boil water notice to customers today at 12:37 p.m. following a main-line repair on Tuesday along Farm to Market Road 580 East. The boil water notice had impacted those at the corner of FM 580 and CR 3430, FM 2527, CR 3420, FM 1690, CR 3600, and members on FM 580 North of the Lampasas River bridge…