San Marcos River

States: Texas 3 active gauges

Live and historical streamflow for every active USGS gauge on the San Marcos River — current discharge (CFS), gage height, and how today's flow ranks against the long-term record for this date. Latest reading .

Station Discharge (CFS) Gage Ht (ft) Condition Flood Stage (ft)
San Marcos Rv at Luling, TX
TX
120 3.94 Low 20.0 ft
San Marcos Rv at San Marcos, TX
TX
89 3.88 Low
San Marcos Rv near Martindale, TX
TX
167 7.68 Normal

About the San Marcos River

The San Marcos River is monitored by 3 active USGS stream gauges across Texas. 2 of 3 gauges are running below normal for this date. The strongest flow on the river right now is at San Marcos Rv near Martindale, TX (167 cfs).

See the glossary for how percentile rank and flow conditions are calculated from the long-term USGS record.

Data source: USGS National Water Information System