Around here
Around San Antonio River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
San Antonio River is a 53.1 mile river. Streamflow is measured at the USGS gauge San Antonio Rv nr Falls City, TX (site 08183500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1925 to 2026
San Antonio River typically runs highest in May, at a median 300 cfs, and lowest in August, at 174 cfs. The highest flow on record for any single day is 53,800 cfs, in 2002.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 293 | 189 to 465 |
| February | 290 | 190 to 452 |
| March | 285 | 181 to 426 |
| April | 276 | 177 to 434 |
| May | 300 | 177 to 590 |
| June | 253 | 134 to 519 |
| July | 195 | 107 to 374 |
| August | 174 | 97 to 312 |
| September | 218 | 128 to 436 |
| October | 229 | 138 to 442 |
| November | 258 | 161 to 427 |
| December | 267 | 182 to 432 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 101 years of record. Statistics published by the US Geological Survey for San Antonio Rv nr Falls City, TX (site 08183500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put San Antonio River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show San Antonio River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
