MEDINA RIVER

Last Updated: January 1, 2026

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 4 streamgages of the Medina River


Summary

Total streamflow across the Medina River was last observed at 42 cfs, and is expected to yield approximately 84 acre-ft of water today; about 123% of normal. River levels are high. Average streamflow for this time of year is 35 cfs, with recent peaks last observed on 2025-06-13 when daily discharge volume was observed at 5,248 cfs.

Maximum discharge along the river is currently at the Medina Rv Nr Von Ormy reporting a streamflow rate of 52 cfs. This is also the highest stage along the Medina River, with a gauge stage of 5.92 ft at this location. This river is monitored from 4 different streamgauging stations along the Medina River, the highest being situated at an altitude of 1,194 ft, the Medina Rv At Bandera.

River Details

Last Updated 2026-01-01
Discharge Volume 84 ACRE-FT
Streamflow 42.39 cfs
-1.5 cfs (-3.42%)
Percent of Normal 122.55%
Maximum 5,247.5 cfs
2025-06-13
Seasonal Avg cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Medina Rv At Bandera
USGS 08178880
6 cfs 3.23 ft 0
Medina Rv Nr Macdona
USGS 08180700
0 cfs 0.03 ft None
Medina Rv Nr Von Ormy
USGS 08180720
52 cfs 5.92 ft
Medina Rv At San Antonio
USGS 08181500
36 cfs 2.81 ft -4.01
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The river was discovered by Alonso De León in 1689 and was named after the Spanish governor of Coahuila y Tejas, Pedro de Medina. The river is fed by numerous springs and tributaries and is a vital source of water for agricultural communities in the region. The river has several dams including the Medina Lake Dam, which was constructed in the 1910s to control flooding and provide a reliable source of water for San Antonio. The river is also popular for recreational activities such as swimming, fishing, and kayaking. The river's ecosystem supports various species of fish, birds, and other wildlife.