Olmos Creek at Dresden Drive

1. 14.00 ftThe reservoir behind Olmos dam fills up and causes long lasting travel impacts near the Quarry Market, including the closure of Highway 281. Major residential flooding occurs in the headwaters of Olmos Creek above Loop 410. Over a foot of water is in lowest businesses in the southwest quadrant of Loop 410 and West Avenue. Many streets and low water crossings will have several feet of turbulent flow over them.
2. 13.00 ftThe reservoir behind Olmos dam fills up and causes long lasting travel impacts near the Quarry Market, including the closure of Highway 281. Several businesses in the southwest quadrant of Loop 410 and West Avenue flood up to a foot.
3. 12.00 ftThe reservoir behind Olmos dam fills up and causes long lasting travel impacts near the Quarry Market, including the closure of Highway 281. Major flooding approaches slabs of the lowest businesses in the southwest quadrant of Loop 410 and West Avenue cutting off some areas.
4. 10.00 ftModerate lowland flooding approaches businesses in the southwest quadrant of Loop 410 and West Avenue. Low bridges and crossings upstream near Lockhill-Selma are very dangerous to traffic.
5. 9.00 ftMinor lowland flooding extends into low areas of the flood plain with no significant damage.

Most recent crests

• June 12, 2025: 10.34 ft
• June 3, 2016: 9.28 ft
• April 25, 2015: 9.31 ft
• May 25, 2013: 12.78 ft
• November 22, 2004: 10.57 ft
• July 1, 2002: 14.54 ft
• October 17, 1998: 14.01 ft
• May 30, 1993: 7.41 ft
• May 5, 1993: 12.30 ft
• June 9, 1992: 7.18 ft

• Salado Creek at NE Loop 410
• San Pedro Creek
• San Antonio River
• Leon Creek at Loop 410 near Leon Valley
• Leon Creek at I-10 and Loop 1604
• Salado Creek at Wilderness Road near San Antonio
• West Elm Creek at Encino Rio at San Antonio
• Salado Creek at Loop 13

Forecasts by the West Gulf River Forecast Center. Graphical forecasts are not available during times of high water, forecast crest information can be found in the local WFO web page. 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.

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.