India, July 5 -- As the Guadalupe River floods precariously on Friday, affecting multiple central Texas counties, all eyes are on Canyon Lake, which is part of the Canyon dam over the river. Canyon Lake is a low-lying lake, formed in the backwaters of the Canyon Dam, and is very susceptible to water level rise.

After overnight rains over the Guadalupe River, which directly feeds the Canyon Lake in Texas Hill County, there has been a drastic increase in water level at the lake. Notably, due to the drought condition that prevails over central Texas for much of the year, the flood spillage level at Canyon Lake is relatively low. It is also true for other local lakes, such as Medina Lake. Due to the sudden rise in water level, Canyon Lake no...