San Marcos River, Texas — flow & river levels

3 streamgages on the San Marcos River. Open a gage for live 15-minute flow, charts, percentiles and history.

Gage	Station	Latest daily mean
San Marcos Rv At Luling, Tx	USGS NWIS 08172000	80.8 CFS Oct 17
San Marcos Rv At San Marcos, Tx	USGS NWIS 08170500	94.2 CFS Oct 16
San Marcos Rv Nr Martindale, Tx	USGS NWIS 08171400	103.0 CFS Oct 16

Other Texas rivers

• Brazos River18
• Guadalupe River18
• Colorado River15
• Sabine River14
• Trinity River12
• Nueces River11
• San Antonio River10
• Neches River8
• Medina River7
• West Fork Trinity River7
• Blanco River6
• Buffalo Bayou6

← All Texas rivers