Weir Gradient % Passability Low Water Level % Passability Intermediate Water Level % Passability High Water Level
1 -0.01 100 100 100 for </= 4 species
2 -0.02 0* 100 for </= 4 species 100 for </= 4 species
3 -0.02 100 100 for </= 4 species 100 for </= 4 species
4 -0.05 100 100 for </= 4 species 100
5 -0.10 100 100 100
6 -0.08 100 for </= 4 species 100
7 -0.14 100 100 100
8 -0.09 100 100 100
9 -0.05 100 100 100 for </= 4 species
10 -0.06 100 100 for </= 4 species 100