Total streamflow across the Blanco River was last observed at 9 cfs, and is expected to yield approximately 18 acre-ft of water today; about 46% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 19 cfs, with recent peaks last observed on 2024-01-26 when daily discharge volume was observed at 608 cfs.

Maximum discharge along the river is currently at the Blanco Rv At Fischer Store Rd Nr Fischer reporting a streamflow rate of 8.87 cfs. However, the streamgauge with the highest stage along the river is the Blanco Rv At San Marcos with a gauge stage of 7.43 ft. This river is monitored from 5 different streamgauging stations along the Blanco River, the highest being situated at an altitude of 916 ft, the Blanco Rv At Fischer Store Rd Nr Fischer.