| 54.0 | HEIGHT OF INSTRUMENTS INSIDE GAUGE HOUSE | | 49.0 | FLOOR OF BRIDGE NEAR CENTERLINE OF CREEK | | 40.0 | FLOODS SHEDS AT COUNTY MAINTENANCE FACILITY RIGHT UPSTREAM FLOODS | | 30.0 | LOWEST HOMES FLOOD ON THE LOWER END OF ONION CREEK AND NEAR THE COLORADO RIVER CONFLUENCE. MANY ROADS AND LOW BRIDGES NEAR THE RIVER ARE EXTREMELY DANGEROUS TO MOTORISTS AND TRAVEL NEAR THE CREEK SHOULD BE AVOIDED. MANY BLOCKS OF A MOBILE HOME PARK ABOVE WILLIAM CANNON DRIVE ARE FLOODED WITH WATER IN LOWEST HOMES | | 28.0 | MAJOR FLOODING REACHES ABOUT TEN SQUARE BLOCKS OF A MOBILE HOME PARK ABOVE WILLIAM CANNON DRIVE. MANY ROADS AND LOW BRIDGES ARE FLOODED AND VERY DANGEROUS INCLUDING WILLIAM CANNON DRIVE | | 26.0 | MAJOR FLOODING THREATENS A MOBILE HOME PARK ABOVE WILLIAM CANNON DRIVE. MANY ROADS AND BRIDGES ARE FLOODED AND VERY DANGEROUS. FLOW IS WELL INTO THE FLOOD PLAIN | | 24.0 | MAJOR FLOODING THREATENS TEN SQUARE BLOCKS OF A MOBILE HOME PARK JUST ABOVE WILLIAM CANNON DRIVE. RESIDENTS SHOULD PREPARE TO EVACUATE AS EMERGENCY OFFICIALS ASSESS THE THREAT. MANY ROADS AND LOW BRIDGES ARE FLOODED AND VERY DANGEROUS | | 22.0 | MODERATE LOWLAND FLOODING IS WELL INTO THE FLOOD PLAIN IMPACTING LOW ROADS AND BRIDGES. RESIDENTS OF A MOBILE HOME PARK ABOVE WILLIAM CANNON DRIVE SHOULD MONITOR NOAA WEATHER RADIO FOR DEVELOPING FLOOD WARNINGS | | 20.0 | MODERATE LOWLAND FLOODING REACHES SECONDARY ROADS...LOW BRIDGES AND CROSSINGS IN AUSTIN MAKING THEM VERY DANGEROUS TO MOTORISTS - RESIDENTS OF A MOBILE HOME PARK ABOVE WILLIAM CANNON DRIVE SHOULD MONITOR HEAVY RAIN AND FLOOD REPORTS AND MOVE PROPERTY TO HIGHER GROUND | | 19.0 | MINOR LOWLAND FLOODING COVERS LOWEST AREAS OF THE FLOOD PLAIN WITH NO DAMAGE. LOW ROADS AND BRIDGES FLOOD | | 17.0 | MINOR LOWLAND FLOODING COVERS LOW AREAS OF THE FLOOD PLAIN AND LOW STREETS AND BRIDGES. | | 15.0 | FLOW EXCEEDS LOWEST SECTIONS OF THE BANKS. LOW STREET CROSSINGS AND BRIDGES ARE THREATENED |
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1) 38.00 ft on 07/03/1869
1) 38.00 ft on 09/09/1921
3) 36.50 ft on 11/16/2001
4) 32.00 ft on 10/17/1998
5) 30.50 ft on 12/21/1991
6) 25.96 ft on 06/11/1981
7) 23.80 ft on 06/09/1997
7) 23.80 ft on 07/02/2002
9) 23.78 ft on 11/22/2004
10) 22.97 ft on 01/13/2007
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Low water records are unavailable.
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