Chestnut Hill Reservoir is a reservoir created in 1870 on existing marshes and meadowland to supplement the city of Boston's water needs, located in its namesake neighborhood of Chestnut Hill. A 1.56 mile[1] jogging loop abuts the reservoir. Chestnut Hill Reservoir was taken offline in 1978 as it was no longer needed for regular water supply distribution,[2] but is maintained in emergency backup status.[3][4] It is recognized today on the National Register of Historic Places and was designated as a Boston Landmark by the Boston Landmarks Commission in 1989.

Chestnut Hill Reservoir
View of Gasson Hall (Boston College) from across the reservoir
Chestnut Hill Reservoir Show map of Massachusetts Chestnut Hill Reservoir Show map of the United States
Location	Chestnut Hill, Boston, Massachusetts
Coordinates	42°20′6.30″N 71°9′30.52″W
Type	reservoir
Basin countries	United States

On May 1, 2010, the Chestnut Hill Reservoir was temporarily brought back online during a failure of a connecting pipe at the end of the MetroWest Water Supply Tunnel. The Sudbury aqueduct was also activated to feed Chestnut Hill from the Foss and Sudbury reservoirs to keep the supply going. Separately the Spot Pond reservoir, also an emergency source, was tapped during the pipe break incident. Though a boil-water order was issued for fear that the water would not be safe to drink, following heavy treatment with chlorine later tests showed the water to be completely safe for drinking.[5][6]

Transportation

• Reservoir, Green Line (D) (MBTA)
• Cleveland Circle, Green Line (C) (MBTA)
• Chestnut Hill Avenue, Green Line (B) (MBTA)

See also

• Chestnut Hill Reservoir Historic District
• Chestnut Hill Reservation

References

External links

• U.S. Geological Survey Geographic Names Information System: Chestnut Hill Reservoir
• Chestnut Hill Reservation History at the Department of Conservation and Recreation
• Newton Conservators

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