r.lake
r.lake.coords - Fills lake at given point to given level.
Raster (r.*)
ParameterRaster|dem|Name of terrain raster map (DEM)|False
ParameterString|wl|Water level|
ParameterString|xy|Seed point coordinates|
ParameterBoolean|-n|Use negative depth values for lake raster map|False
OutputRaster|lake|Name for output raster map with lake