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To do something to it, is very difficult. Narrator two Massive Underground tunnels, called simply tunnel 1 and tunnel 2, provide most of the citys water supply. They run hundreds of feet below manhattan, far deeper than the subways. Built at the beginning of the 20th century, they are concretelined and bored through solid rock. They could last centuries. But the mechanical equipment within them will not. Engineers in the 1950s discovered rust on the tunnels valves. There were concerns that if they closed the valves for tunnel inspections, they may never open again, leaving new york city withou...

Narrator stretching more than 60 miles under the city, tunnel 3 is taking generations of workers to complete. Ryan i dont even want to imagine what my father had to go through. When we first started, it was a rough job. Everything was dynamite. Now, they have these machines called moles. Its like a big drill, and it just cuts right through the ground. So theres no more dynamite. And its still a rough job, but its gotten to a point where its a lot safer. In the 70s, we lost a man a mile basically. Here, maybe weve had two or three deaths in the last 20 years, which is too much anyway, but its c...

Narrator while the Water Infrastructure provides for our health, safety, and economy, a growing concern is that the Value Society derives from water has not traditionally been reflected in the price we pay for water. Man when you take a look at how much people pay for water, as a percentage of median household income, its usually less than 1 . And when you compare that to how much we pay for electricity and gas, cable tv, and internet, the bottom line is, in the United States, we dont pay a heck of a lot for water. Curtis at an average cost of about 2. 50 for 1,000 gallons of tap water, it is ...

Engineers in the 1950s discovered rust on the tunnels valves. There were concerns that if they closed the valves for tunnel inspections, they may never open again, leaving new york city without water. So they chose to keep them open. As a result, there has not been significant inspection, maintenance, or repair of the tunnels in decades. No one knows their current condition. Hurwitz currently, city tunnel 1 and city Tunnel Number 2 would be feeding each half of the city. So youd lose half the city if you didnt have a replacement. Narrator without half of its water supply, the city would shut d...

Narrator two Massive Underground tunnels, called simply tunnel 1 and tunnel 2, provide most of the citys water supply. They run hundreds of feet below manhattan, far deeper than the subways. Built at the beginning of the 20th century, they are concretelined and bored through solid rock. They could last centuries. But the mechanical equipment within them will not. Engineers in the 1950s discovered rust on the tunnels valves. There were concerns that if they closed the valves for tunnel inspections, they may never open again, leaving new york city without water. So they chose to keep them open. ...