8 ms·
> A closed canal system (with proper tubes) would be safe, no dirt (street dirt, mostly dog shit) could overspill on heavy summer rains into the canals and rive
by fransje26 3y ago
> A closed canal system (with proper tubes) would be safe, no dirt (street dirt, mostly dog shit) could overspill on heavy summer rains into the canals and river
There is a logic step I'm missing here. I fail to see how a closed canal system is safer. Will the dirty water not, by definition, end up in the lowest point anyway, i.e. the river? Whether the canals are open or closed? I mean, the dirty water is not just going to disappear, is it?
- ceejayoz 3y agoIn a closed system, the lowest point typically leads to a water treatment plant. In an open system, too, but the open system can overflow into nearby watersheds.