Catskills and Intro to the Delaware System
Croton System: Cap. 300 MGD
Catskill System: Cap. 600 MGD
Ashokan Dam / Reservoir - 1915
Catskill Aqueduct - 1915
Gilboa Dam / Sholarie Reservoir - 1926 Reversed the flow of water!
Shandaken Tunnel - 1926
18 mi l
Water Supply and Management
Water is part of our civil infrastructure
Invisible to most citizens, until problems!
Low priority for politicians
ASCE Report Card
Water management is strikingly interdisciplinary:
Public Health Officials
1832 and the Croton Aqueduct
1832: ~3500 residents died of cholera
~ 100,000 residents left town in August
Council appointed Col. Dewitt Clinton to make recommendations for fresh
water. He recommended damming the Croton River in Westchester and
Ashokan Dam at Olive Bridge
Begun in 1907
"Last of the Handmade Dams"
Deep Water Video
- Property Condemnation
Anger that it created. Residents felt it was unfair.
- Relocation of graves
- Camps and camp life
- DEP (Department of Enviro
New Croton System and the Catskills Aqueduct
1866 -1911: Eleven new reservoirs inside the Croton watershed
New aqueduct to New York
Delivery relied on pressure
Date at Croton Reservoir was raised
Fully operational in 1911
-> Cap. 300,000,000
History of research
-Christian Erich Herman von Meyer discovered a fossilized archaeopteryx feather in
1860 and described and named it in 1861.
-Over many years, several people found more archaeopteryx skeletons in Germany.
-Thomas Huxley, the famous supp