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Harris County Watersheds > Spring Creek

Specific information about the changes in the Spring Creek watershed will be available soon. For information about general changes between the current FEMA floodplain maps and the FEMA Preliminary Flood Insurance Rate Maps, please go to the Watershed main page.
FEMA Preliminary Flood Insurance rate Maps Current FEMA Flood Insurance Rate Maps
1% (100-Yr) 0.2% (500-Yr) 1% (100-Yr) 0.2% (500-Yr)
14.1 sq. mi. 18.2 sq. mi. 12.9 sq. mi. 15.9 sq. mi.
TSARP Studied Stream Miles = 83.4 miles Current Studied Stream Miles = 55.4 miles

Floodplain areas for Harris County Only
Drainage area 59 sq. mi.
TSARP 1% Rainfall 24hr duration 12.4 in
Total channel miles 114 mi
Allison: Total flooded area 11 sq. mi.
Allison: Flooded homes <50
Population 33,661

Data for areas inside of Harris County only.
  © 2008 FEMA and Harris County Flood Control District. All rights reserved. Terms & Conditions