2404 IH 35 S.,
Austin TX 78704
Recent Austin Flood Events
It helps to understand the flooding risk of our Central Texas region by knowing what floods have happened in recent years.
2012 (October) - Two separate flood events. First, two large storms joined over Austin in front of a cold front passage.
Substantial flooding has resulted from rainfall up to 12 inches in
isolated parts of the area. Areas most impacted are Barton Creek,
Williamson Creek, Onion Creek and South Austin 78704 area.The second flood occurred suddenly in the early morning of October 31st and did heavy damage in the Onion Creek watershed. Onion Creek hit the highest crest ever recorded (41 feet at US 183 bridge) and devastated the Onion Creek Forest subdivision. Over 1100 homes have been impacted with over 500 homes heavily damaged or destroyed.
2010 (September 7-8) Tropical Storm Hermine - Widespread heavy rain from remnant of Tropical Storm Hermine caused flooding along the I-35 corridor from San Antonio to DFW. LCRA reported receiving 12 inches of rain during 12 hours in the Lake Austin area. A funnel cloud was reported near the Airport. Round Rock had 81 houses flooded in the Lake Creek area just west of I-35. Road damage was reported at FM 2222 and Bull Creek. Greatest damage inflicted was in the Belton area. The Texas Governor declared a 40 county disaster area due to heavy rains and flooding including all Austin area counties.
2007 (June) - "Marble Falls Rain Bomb" - A huge thunderstorm stalls and pours over 19 inches of rain and was concentrated in the Marble Falls area of Central Texas in a single night. This was determined to be a "500-Year" flooding event. Over 100 homes and business were damaged.
2001 (November 15) - A concentration of thunderstorms drops 15 inches of rain in six hours. One of these storms also spawned a tornado that dropped a tree on our South Austin office damaging our roof. This storm caused major flooding along South, Central and East Austin creeks and damaged 860 houses and other buildings.
1998 (October 17) - Widespread storms caused major flooding in Williamson and Onion creek drainage areas (Southeast Austin) and elsewhere. This was a statewide flooding event caused by waves of moisture from twin hurricanes in Mexico. Austin had 454 houses damaged.
1991 (December 20) - The famous "Christmas Floods" caused damage along Austin creeks and Lake Travis. Over 200 houses were damaged. There also was considerable damage in Bastrop County.
1981 (May 24) - Storms caused the famous "Memorial Day" flood resulting in major damage in Central and South Austin. Shoal Creek overflowed causing heavy damage to stores along Lamar around 10th Street. Over ten inches of rain fell in four hours causing widespread flooding along many Austin creeks. Total damage was $36 million.