Stillhouse Hollow Lake is at 606.80 ft, normal 622 ft, and is releasing 1 cfs.

the information comes from http://www.swf-wc.usace.army.mil/stillhouse/

Stillhouse Hollow (formally Lampasas) Lake is located 2 miles South of U.S. 190 on FM 1670 in Belton, Texas. The Lake itself is located 16 miles upstream of the confluence of the Lampasas and Leon Rivers that flow into the Little River. The lake is located 5 miles southwest of Belton, Texas. Stillhouse Hollow Lake is located entirely within Bell County. There is 58 miles of shoreline at conservation pool. 

CONSTRUCTION:
Construction began June 11, 1962 and was completed July 1968 with a conservation pool of 622.00 mean sea level (msl) of deliberate impoundment begining February 19,1968.

The dam including the spillway is 15,624 foot long (including spillway and d**e). The dam is constructed of rolled earthfill.   At the top of the conservation pool, elevation 622.00, the lake covers 6,430 surface acres. The crest of the spillway is 666.00 msl. The top of the dam is 698.00 msl.