Weirs

[MathGeek]

Originally Posted by redaddiction

Why aren't there wiers on the intracoastal (northeast) side to let fresh water in when the salinity is too high? DUH!!!! They already have man made canals that were one time open that are closed off now, right on the Intracoastal canal.

Flow is a two way street, and the tides and winds would push too much salt the other way. Keeping the intracoastal fresh where it crosses 27 is a very high priority, and much more important than the relatively small mitigating input the fresh water would have in big lake.