Lake Limestone (Brazos River Basin)

Lake Limestone and Sterling C. Robertson Dam (Photo provided by the owner)Sterling C. Robertson Dam is located about seven miles northwest of Marquez, crossing the border of Leon and Robertson Counties.  It dammed the Navasota River, a tributary of the Brazos River, to form the Lake Limestone which lies mainly in Limestone County.  The Brazos River Authority owns and operates the lake facility for water supply and recreational purposes.  The Texas Water Rights Commission permitted to build this reservoir by issuing Permit No. 5165 on May 6, 1974.  Construction of the dam was completed in 1978.  The Robertson dam is a zoned earthfill and concrete embankment of 8,500 feet in length including the service spillway. The top of the dam is at elevation, 380 feet above mean sea level. Maximum design water surface may reach to 376 feet above mean sea level. The uncontrolled emergence spillway is located to the left of the dam and is unpaved broadcrested with the crest at elevation, 370 feet above mean sea level. The 232 long service spillway is a type of gate-controlled concrete ogee consisted by five gates.  Each gate measures 40 feet in width and 28 feet in height with the top of the gate at elevation, 365 feet above mean sea level and the crest of the spillway at elevation, 337 feet above mean sea level.  According to TWDB's 2012 Survey, the reservoir has a capacity of 203,780 acre-feet with a water surface area of 12,486 acres at the top elevation of conservation pool, 363 feet above mean sea level.  The dam controls a drainage area of about 675 square miles.

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