San Antonio River near Falls City
Highest listed crest 38.43 ftFlood stage 12.0 ft27 crests since 1913
The San Antonio River near Falls City crested at major flood stage 10 times among the 27 crests the National Weather Service lists from 1913 to 2016. The highest, 38.43 ft on July 6, 2002, was major flooding, 26.43 feet above flood stage. 2 other gauges on the San Antonio River crested above flood stage within a week of it.
The gauge
- Highest listed crest
- 38.43 ft
- July 6, 2002
- Flood stage
- 12.0 ft
- Major flooding from 20.0 ft
- Crests at major
- 10
- 59th of 370 gauges in Texas
- Most recent flood crest
- June 5, 2016
- 15.45 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 6.0 | 1 | May 26, 2015 |
| Flood stage (minor) | 12.0 | 8 | Jun 5, 2016 |
| Moderate flood stage | 16.0 | 8 | May 28, 2013 |
| Major flood stage | 20.0 | 10 | Jul 22, 2007 |
Every listed crest
27 crests from 1913 to 2016. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
| 1 | Jul 6, 2002 | 38.43 | +26.43 | Major |
| 2 | Sep 29, 1946 | 33.80 | +21.80 | Major |
| 3 | Oct 20, 1998 | 33.60 | +21.60 | Major |
| 4 | Oct 28, 1913 | 28.40 | +16.40 | Major |
| 5 | Sep 29, 1973 | 27.26 | +15.26 | Major |
| 6 | Jul 22, 2007 | 26.59 | +14.59 | Major |
| 7 | Sep 22, 1967 | 25.26 | +13.26 | Major |
| 8 | Jun 7, 1987 | 24.00 | +12.00 | Major |
| 9 | Jan 21, 1968 | 22.87 | +10.87 | Major |
| 10 | Nov 24, 2004 | 20.20 | +8.20 | Major |
| 11 | Jun 6, 1986 | 19.75 | +7.75 | Moderate |
| 12 | Dec 23, 1991 | 19.29 | +7.29 | Moderate |
| 13 | Jun 28, 1949 | 18.05 | +6.05 | Moderate |
| 14 | May 28, 2013 | 17.11 | +5.11 | Moderate |
| 15 | Feb 6, 1992 | 17.08 | +5.08 | Moderate |
| 16 | Jun 18, 1981 | 16.84 | +4.84 | Moderate |
| 17 | Jun 2, 1937 | 16.65 | +4.65 | Moderate |
| 18 | May 23, 1992 | 16.37 | +4.37 | Moderate |
| 19 | Jul 18, 1990 | 15.79 | +3.79 | Minor |
| 20 | Jun 5, 2016 | 15.45 | +3.45 | Minor |
| 21 | Dec 24, 1986 | 14.96 | +2.96 | Minor |
| 22 | May 24, 1993 | 14.68 | +2.68 | Minor |
| 23 | Aug 26, 1948 | 13.88 | +1.88 | Minor |
| 24 | May 8, 1993 | 13.68 | +1.68 | Minor |
| 25 | Jun 26, 1997 | 13.41 | +1.41 | Minor |
| 26 | May 15, 2015 | 13.09 | +1.09 | Minor |
| 27 | May 26, 2015 | 11.70 | −0.30 | Action |
The worst floods along the San Antonio River
For this gauge's highest crests, the other gauges on the San Antonio River that crested above flood stage within a week.
July 6, 2002: 38.43 ft here, major flooding
September 29, 1946: 33.80 ft here, major flooding
- ElmendorfTX · Sep 27, 1946 · 61.00 ft · Major
Gauges on the San Antonio River
In USGS station-number order, which runs downstream within a river basin.
| Mitchell Street | TX | 14.67 ft, May 25, 2013 | 0 |
| Loop 410 | TX | 34.21 ft, May 25, 2013 | 7 |
| Elmendorf | TX | 64.20 ft, Oct 18, 1998 | 7 |
| Floresville | TX | 38.11 ft, Jun 4, 2016 | 0 |
| Falls City this gauge | TX | 38.43 ft, Jul 6, 2002 | 10 |
| SH 72 near Runge | TX | 47.60 ft, Aug 22, 2016 | 1 |
| Goliad | TX | 53.70 ft, Sep 23, 1967 | 17 |
Other gauges in Karnes County
| Falls City | 39.86 ft, Oct 19, 1998 | 21 |
| SH 72 near Runge | 47.60 ft, Aug 22, 2016 | 1 |
Karnes County: every hazard · River floods across the country · Texas
NOAA National Water Prediction Service, gauge FACT2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.