Rivers in Texas
San Antonio River at Elmendorf
Below flood stage
9.33ftStage
Observed Mon, Sep 21, 11:30 PM CDT
- Flood stage
- 35.00 ft
- Record crest
- 64.20 ft1998
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 48.00 ft |
| Moderate flood | 39.00 ft |
| Minor flood | 35.00 ft |
| Action | 33.00 ft |
- 60.00 ftDownstream in Wilson county people cut off by numerous flooded Farm to Market roads. Numerous homes are flooded in Wilson county as well.
- 52.00 ftWidespread major flooding damages crops and pastureland. Roads and bridges are flooded and dangerous. Oil field pump jacks and irrigation pumps are flooded and damaged. Many livestock can be cut off and drowned.
- 48.00 ftMajor flooding near Elmendorf to above Goliad State Park isolates livestock, damages crops and roads, floods oil field tank batteries, pump jacks, irrigation pumps, and any equipment in the flood plain. Flooding is widespread.
- 45.00 ftModerate lowland flooding inundates crop and pastureland below San Antonio to below Floresville. Roads and bridges in the flood plain are flooded. Pump jacks and oil field tank batteries flood.
- 43.00 ftModerate lowland flooding inundates and damages crop and pastureland below San Antonio to below Floresville. Numerous roads and bridges are flooded. Oil well pump jacks and irrigation pumps are flooded and damaged.
- 39.00 ftModerate lowland flooding damages crops and floods pastureland below San Antonio to below Floresville. Secondary roads and low bridges, irrigation pumps, oil field pump jacks and tank batteries flood. Livestock are cut off in low areas.
- 35.00 ftMinor lowland flooding inundates crop and pastureland below San Antonio to below Floresville.
- 33.00 ftOverbank conditions may cut off livestock in low areas.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 32% |
| Moderate flooding | 25% |
| Major flooding | 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
24 crests on NOAA’s list since 1913.
| # | Date | Stage |
|---|---|---|
| 1 | October 18, 1998 | 64.20 ft |
| 2 | July 6, 2002 | 63.16 ft |
| 3 | September 27, 1946 | 61.00 ft |
| 4 | June 5, 1986 | 53.06 ft |
| 5 | June 28, 1913 | 53.00 ft |
| 6 | May 26, 2013 | 52.34 ft |
| 7 | November 23, 2004 | 50.76 ft |
| 8 | May 24, 2015 | 44.99 ft |
| 9 | June 3, 2016 | 44.82 ft |
| 10 | July 26, 2007 | 44.55 ft |
| 11 | June 14, 1981 | 44.50 ft |
| 12 | June 13, 2025 | 42.63 ft |
| 13 | June 24, 1997 | 42.57 ft |
| 14 | June 29, 2007 | 40.92 ft |
| 15 | June 1, 1987 | 40.13 ft |
| 16 | July 7, 2021 | 39.91 ft |
| 17 | July 16, 1990 | 39.84 ft |
| 18 | May 27, 1992 | 39.82 ft |
| 19 | December 22, 1991 | 39.06 ft |
| 20 | October 11, 1984 | 38.98 ft |
| 21 | October 15, 2021 | 38.64 ft |
| 22 | April 25, 2015 | 38.21 ft |
| 23 | June 29, 1995 | 37.22 ft |
| 24 | February 4, 1992 | 37.02 ft |
Most recent crests
- June 13, 2025: 42.63 ft
- October 15, 2021: 38.64 ft
- July 7, 2021: 39.91 ft
- June 3, 2016: 44.82 ft
- May 24, 2015: 44.99 ft
- April 25, 2015: 38.21 ft
- May 26, 2013: 52.34 ft
- July 26, 2007: 44.55 ft
- June 29, 2007: 40.92 ft
- November 23, 2004: 50.76 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.