Marlborough Brook Filter Beds

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Marlborough Brook Filter Beds
MarlboroughMA MarlboroughBrookFilterBeds.jpg
A pond and bridge over a spillway in the filter bed area
Marlborough Brook Filter Beds is located in Massachusetts
Marlborough Brook Filter Beds
Location Marlborough and Southborough, Massachusetts
Coordinates 42°19′47″N 71°32′9″W / 42.32972°N 71.53583°W / 42.32972; -71.53583Coordinates: 42°19′47″N 71°32′9″W / 42.32972°N 71.53583°W / 42.32972; -71.53583
Area 16 acres (6.5 ha)
Built 1895
Architect Stearns,Frederick P.
Architectural style No Style Listed
Governing body Local
MPS Water Supply System of Metropolitan Boston MPS
NRHP Reference #


Added to NRHP January 18, 1990

The Marlborough Brook Filter Beds are a series of water filtration beds near the mouth of Marlborough Brook, where it enters Sudbury Reservoir near the town line between Marlborough and Southborough, Massachusetts. The filter beds were constructed in 1895 as part of the reservoir construction to improve the water quality of Marlborough and Walker Brooks. The filter beds consist of a series of 28 irregularly-shaped shallow basins over an area of 16 acres (6.5 ha) bounded by Maple, Framingham, and Walker Roads. Concrete sluices feed water from one basin to another, with simple wooden planks to regulate the flow. A concrete spillway was built at the end of the beds in 1955. The filter beds are no longer in service.[2]

The site was listed on the National Register of Historic Places in 1990.[1]

See also[edit]


  1. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-15. 
  2. ^ "MACRIS inventory record for Marlborough Brook Filter Beds". Commonwealth of Massachusetts. Retrieved 2014-03-16.