What is "flassavatnet"

Flassavatnet is a lake in Rogaland county, Norway. The lake lies on the border of the municipalities of Gjesdal and Sandnes. The lake sits about north of the large village of Ålgård, not far north of the lakes Edlandsvatnet and Limavatnet. The lake is a reservoir with a small dam on the southern edge of the lake. The water level is kept at about above sea level. The reservoir holds about .