Waterlands
San Marcos Rv River
USGS · 08170500
SAN MARCOS RV RIVER
USGS · 08170500LIVE

San Marcos Rv at San Marcos, TX

TEXAS29.8891°N, -97.9342°W Updated 19 hr ago
FLOW RATE
101cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
101cfs 41.8% vs avg
Optimal band: 74100 cfs
PERIOD HIGH
111cfs
PERIOD LOW
72cfs
RUNNABLE
81%
last 1 year in band
Precipitation History
Your History · San Marcos Rv at San Marcos, TX

Track your history

Sign in to track your sessions at San Marcos Rv at San Marcos, TX — best days, monthly trends, and time on the water.

Sign in
SPONSORED

Station Location

29.8891, -97.9342
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #08170500·USGS

Create a free account to save favorites, set flow alerts, and track conditions