3 ms·But reroute the sewage would solve that, no? That won't be cheap or easy, but neither is this barrier.by arp242 3y agoBut reroute the sewage would solve that, no? That won't be cheap or easy, but neither is this barrier.asah 3y ago...or continuously circulate the water?twelve40 3y agoi think sewage is only a part of the problem, even without sewage standing water may turn into a giant swamp or a salt pond