Editing Chicago flood (section)

== Discovery of the leak ==
A skilled telecommunications worker inspecting a cable running through the tunnel discovered the leak while it was still passing mud and forwarded a videotape to [[Chicago|the city]], which did not see anything serious and began a bid process to repair the tunnel. The CTC tunnels were never formally a public responsibility, as most of them had been dug clandestinely, many violated private property<ref>{{Cite web |url=https://www.wbez.org/shows/curious-city/six-tunnels-hidden-under-chicagos-loop/a4a5fc40-fbd6-415e-96b1-29d767363e57 |title=Six Tunnels Hidden Under Chicago's Loop |last=Amer |first=Robin |website=WBEZ |date=June 21, 2013 |language=en |access-date=February 25, 2019 |archive-date=February 26, 2019 |archive-url=https://web.archive.org/web/20190226045946/https://www.wbez.org/shows/curious-city/six-tunnels-hidden-under-chicagos-loop/a4a5fc40-fbd6-415e-96b1-29d767363e57 |url-status=live }}</ref> and the collapse of the operator had failed to resolve ownership and maintenance responsibilities. Meanwhile, the mud continued to push through until the river water was able to pour in unabated, creating an immediate emergency.