Some grid cells are in the middle of lakes

I have found that some grid are on lakes

grid_cell_id latitude longitude
392b6b18-1903-4e4a-a3a9-30c7171e6a31 39.606705 -106.057199
84e44cbd-f2e0-452b-9679-bdbc0105571b 48.054661 -123.852825
9be3ca3a-06a4-44f5-a117-507eb42a6b93 38.841221 -106.578222
b7126ce1-6039-425b-a7ba-fb11bf1d20b9 48.060665 -123.825876
bca0cdaf-d281-4c60-8e8b-495fcc50e515 37.006073 -119.684642
e4fdf5f3-b4ad-4a78-90c6-660eeb591d9d 38.003734 -119.909221

I guess this is not intended