An idea About the Thames Tideway Tunnel
An idea About the Thames Tideway Tunnel
Posted Apr 28, 2013 14:00 UTC (Sun) by foom (subscriber, #14868)In reply to: An idea About the Thames Tideway Tunnel by tialaramex
Parent article: Huang: The $12 Gongkai Phone
Boston has been working on it for a few decades now. I think the reason it's desirable to separate them is that if you need to overflow, it's much better to overflow rainwater than sewage, even if you normally want to treat both.