The Laneport Dam (Granger Lake Dam) is located about ten miles northeast of Taylor, TX and seven miles east of Granger, TX in Williamson County.  It is located at river mile 31.9 of the San Gabriel River.  The purpose of the dam was for flood damage reduction, water conservation, fish and wildlife habitat, and general recreation.

Construction

Construction began in October of 1972, with the project being placed in operation on January 21, 1980.

Authority

Congressional Authority of the construction of Laneport Lake (Granger Lake) was originally contained in the Flood Control Act approved 3 September 1954.

Flood History

Maximum level reached 530.11 on 05-MAR-1992 Minimum level reached 498.54 on 06-OCT-1984

Cost

The project cost to build Granger Lake (Laneport Lake) was $62 million.

Purpose

The purpose of the dam was for flood damage reduction, water conservation, fish and wildlife habitat, and general recreation.

Other Pertinent Information

The dam including the spillway is 16,320 feet long with a maximum height of 115 feet above streambed.  At top of conservation pool, elevation 504.00, the lake covers 4,400 surface acres.  At top of the flood control pool, elevation 528.00 the lake will cover 11,040 surface acres.