US Army Corps of Engineers
Galveston District Website

About The Reservoirs

Authorized by the Rivers and Harbors Act of 1938, Addicks and Barker Reservoirs are designed to reduce flood damage along Buffalo Bayou that flows through the Houston. Construction costs were approximately $4 million.

 

 

Addicks Dam
  • Construction started in May of 1946
  • Completed in December of 1948
  • Earthen dam embankment, 61,166 feet long
  • Watershed – 136 square miles
  • Outlet structure – 5 conduits 6 feet high by 8 feet wide 252 feet long
  • Maximum release – 7,852 cubic feet per second (cfs)
  • High Point of Dam – 121.0 feet NAVD 1988
  • Natural Ground ends of Dam – North end 108.0 feet & West end 112.0 feet, NAVD1988
  • Approximate Boundary Gov’t-owned land – 103.0 feet NAVD 1988
  • Record Pool March 1992 – 97.46 feet NAVD 1988
  • April 27-28, 2009 Flood (Second Highest Pool) – 96.9 feet NAVD 1988
  • Approx. shoulder elevation of State Hwy 6 – 96.0 feet NAVD 1988
  • Outlet Structure Invert – 67.5 feet NAVD 1988

 

Barker Dam
  • Construction started in February of 1942
  • Completed in February of 1945
  • Earthen dam embankment 71,900 feet long
  • Watershed – 130 square miles
  • Outlet structure – 5 conduits 7 feet high by 9 feet wide 190 feet long
  • Maximum release – 8,734 cubic feet per second
  • High Point of Dam – 113.1 feet NAVD 1988
  • Natural Ground both ends of Dam – 104.0 feet NAVD1988
  • Approximate Boundary Gov’t-owned land – 95.0 feet NAVD 1988
  • Record Pool March 1992 – 93.60 feet NAVD 1988
  • Approx. shoulder elevation of Westheimer Parkway – 93.21 feet NAVD 1988
  • April 27-28, 2009 Flood (Seventh Highest Pool) – 91.21 feet NAVD 1988
  • Outlet Structure Invert – 70.2 feet NAVD 1988