Deer Island Water Treatment Plant
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| The brand new multi-billion dollar Deer Island waste treatment plant and its affiliated engineering projects is said to be the largest public works project in the country. It is, at least, the second largest sewage treatment plant in the country (Chicago's is larger). Waste comes in pipes from the north, and from the south through a new 14 foot diameter, five mile long pipe traversing the bottom of Boston Harbor. The plant is capable of handling more than a billion gallons of wastewater per day, ejecting treated effluent out giant submerged sprinkler heads at the end of a 9.5 mile long tunnel that heads out to sea. A dozen "egg-shaped" digesters, 110 feet tall, loom over the island, and break down solids in the waste. Like many of the harbor's islands, Deer Island has hosted the unwanted for centuries, from banished native Americans, to quarantined Irish immigrants and prisoners. The city's sewage has been pumped out to sea here, treated and untreated, since 1899. |
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NE of Boston, Deer Island
(POINT(-70.90595 42.834629))
(show on map)
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| MA |
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http://www.mwra.state.ma.us/03sewer/html/sewditp.htm
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Waste, Water Treatment Plant
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