BD-L-TC “Water surface”

natural or artificial water surface, permanent or non-permanent.
NATURE:

0 stream surface
1 stagnant water surface 2 wetlands
3 basins
4 sewage basins
5 swimming pool
6 fish farming
Selection criteria:
0: surface of streams with permanent flow. Minimum width 3.5 m.1:
permanent water surface without flow: lake, pond, pond with a smallest dimension of more than 20 m. Water retentions are treated in this class and are updated if their surface area has increased 50 %.
2:wetland area surface greater than 2 Ha, marsh, aquatic vegetation.
3:
open-pit pool. Sewage treatment plant, swimming pool or fish farm basins are treated with a particular attribute value.The most
small dimension should be greater than 10 m and the masonry contour.
4:
basin of treatment plant with a smallest dimension of more than 10 m and the masonry contour.

5:
pool basin of which the smallest dimension must be greater than 10 m.
6:
fish farm basin with a smallest dimension of more than 10 m and the masonry contour.