San Marcos River
NORMAL75-mile river in Texas. One of the most biologically diverse aquatic ecosystems in the Southwest.
Current Flow107 cfs
Gauge Height3.84 ft
30-Day Min87 cfs
30-Day Max185 cfs
30-Day Avg105 cfs
Flow Trend (30 Days)
Gauge Information
| Site Name | San Marcos Rv at San Marcos, TX |
| Site Code | 08170500 |
| State | TX |
| Coordinates | 29.9, -97.9 |
| Data Points | 30 |