Download - New York City Water System
![Page 1: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/1.jpg)
New York City Water System
By: Tim SweanyMay 2013
![Page 2: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/2.jpg)
New York City Water System
S History 1609-2013S WatershedsS TunnelsS Environmental battleS Facilities today
![Page 3: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/3.jpg)
Collect Pond – NYC First Water Supply
coll
1609 2009
![Page 4: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/4.jpg)
New York City Water System
1609 – Ponds, Rivers, Streams1666 – First Public Well1700’s – Contamination by Waste
human/animal/industrial1798 – Yellow Fever Epidemic1832 – Cholera Epidemic
![Page 5: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/5.jpg)
New York City Water System
1842 Croton Reservoir Finished
![Page 6: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/6.jpg)
New York City Watersheds
Croton (1842-1911) – 12 damsCatskill (1907-1927) – 4 damsDelaware (1937-1965) – 2 dams
![Page 7: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/7.jpg)
New York City Aqueducts
Carry water from reservoirs Elevated channels in mountains Tunnels under riverDrop 13” per mile
Old Croton Aqueduct
![Page 8: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/8.jpg)
New York City Water Tunnels
Tunnel No. 1 (1917)Tunnel No. 2 (1937)Tunnel No. 3 (1970-2020) 10’-24’ diameter 60 miles long 400’-800’ deep 12” drop per 100’
Never inspected and valves never closed
![Page 9: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/9.jpg)
New York City Water Tunnelstunnels
![Page 10: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/10.jpg)
New York City Water Tunnel No. 3
xThe ShaftAbove Ground
![Page 11: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/11.jpg)
New York City Water Tunnel No. 3
x
Equipment Comes Down
Rock Goes Up!
![Page 12: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/12.jpg)
New York City Water Tunnel No. 3
xSandhogs
![Page 13: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/13.jpg)
New York City Water Tunnel No. 3
xBlasting Enlarging
![Page 14: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/14.jpg)
New York City Water Tunnel No. 3
x
Tunnel Boring Machine
![Page 15: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/15.jpg)
New York City Water System
Environmental BattlesCongress and EPA 1974 Safe Drinking Water Act (SDWA) 1986 SDWA Requires Disinfect & Filter 1989 Surface Water Treatment Rule (SWTR)New York City $3-$8 Billion Filtration @300M/Year (or) $500 Million Land Acquisition
![Page 16: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/16.jpg)
New York City Water System
Environmental BattlesCity Watershed Restrictions
S Land Acquisition80,000 Acres90% ForestedS Agriculture ManagementVoluntary85% ParticipationS Septic System/ Wastewater Upgrades
Disputed Payment for Upgrades
![Page 17: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/17.jpg)
New York City Water System
Land Acquisition
![Page 18: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/18.jpg)
New York City Water System
1997 Memorandum of Agreement (MOA)- Landmark environmental milestone- Saved New York City $billion’s- Cooperative agreement between City and watershed property owners/ farmers- Filtration waivers granted 1993, 1997, 2002, 2007
![Page 19: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/19.jpg)
New York City Water System
Facilities Today in 2013Open Water Tunnel No. 3 – Now connecting to distributionOpen Croton Filtration Plant – Necessary for water qualityOpen Catskill/ Delaware UV Facility – EPA requires 2 types of disinfection
![Page 20: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/20.jpg)
New York City Water 2013Croton
Filtration
Catskill/ DelawareUV Facility
TunnelNo. 3
![Page 21: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/21.jpg)
New York City Water System
Conclusions:- Population growth- Water system growth- Watershed growth- Growth of regulations- Growth of treatment- MOA agreement- Protection of watersheds
![Page 22: New York City Water System](https://reader035.vdocuments.us/reader035/viewer/2022062310/5681610c550346895dd05e2d/html5/thumbnails/22.jpg)
THE END