Total streamflow across the Pedernales River was last observed at 7 cfs, and is expected to yield approximately 14 acre-ft of water today; about 82% of normal. Average streamflow for this time of year is 9 cfs, with recent peaks last observed on 2023-06-17 when daily discharge volume was observed at 925 cfs.

Maximum discharge along the river is currently at the Pedernales Rv Nr Johnson City reporting a streamflow rate of 3.72 cfs. This is also the highest stage along the Pedernales River, with a gauge stage of 10.16 ft at this location. This river is monitored from 2 different streamgauging stations along the Pedernales River, the highest being situated at an altitude of 1,577 ft, the Pedernales Rv Nr Fredericksburg.