00:00 New York City's tap water is highly regarded and considered the reason for the city's delicious bagels and pizza.

04:53 New York City's tap water is unfiltered and considered so pure and delicious that it doesn't require filtering, making it one of only five major cities in the United States to receive a waiver from the EPA.

09:57 New York City built the Croton Reservoir in the 18th century to provide clean water after a cholera epidemic caused by unhealthy sewage and water conditions, and they also had public pumps labeled "tea water pumps" that delivered good water for making tea.

14:32 New York City built the Croton Reservoir in the 18th century to provide clean water after a cholera epidemic caused by unhealthy sewage and water conditions, and they also had public pumps labeled "tea water pumps" that delivered good water for making tea. The Croton Reservoir was brought online in the middle of the 19th century and delivered 90 million gallons of pure water, but as the city grew, it became clear that they needed more water, so they looked to the Catskills and built the Catskill Aqueduct in 1917.

19:23 The Catskill Aqueduct is a concrete tunnel that transports water from the Catskills to New York City, and it goes under the Hudson River using gravity and pressure.

24:52 The construction of the three tunnels of the NYC water system, with tunnel number three still under construction, has been a long and ongoing process, but once completed, tunnel number three will have the capacity to individually stop and inspect and repair the other two tunnels.

29:46 New York City has taken various measures to ensure the quality of its unfiltered natural water supply, including purchasing a significant amount of land, upgrading wastewater treatment facilities, and reimbursing homeowners for new septic tanks.

34:07 New York City takes the quality of its water very seriously, with measures including chlorination, UV filtration, and extensive testing and analysis of water samples taken from various sources.

39:43 New York City water goes through extra steps of treatment, including mixing with alum, flowing through giant water filters, and being zapped with UV lights, to ensure its quality before reaching the tap.

44:20 New York City's water, which is naturally soft and low in calcium and magnesium, is considered the perfect ingredient for making bagels and pizza.

48:53 The water in New York City contributes only a small amount to the taste of bagels and pizza, with other factors such as the poaching of the dough and the fermentation of the yeast playing a larger role.