An influx of people is leading the city of Blanco to seek a permit to allow expansion of its wastewater treatment plant (WWTP). 

But the permit is concerning Hays County officials who fear the discharge of up to 1.6 million gallons per day of treated effluent into a point along the Blanco River could have a negative impact downstream.

The permit, submitted on Nov. 10, 2016 by Blanco to the Texas Commission on Environmental Quality (TCEQ), would allow the discharge of up to 1.6 million gallons pe...