River Fleet
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The River Fleet is the largest of London's subterranean rivers, all of which today contain foul water for treatment. It has been used as a culverted sewer since the development of Joseph Bazalgette's
Entrance to the River Fleet as it emerges into the Thames, by Samuel Scott, c. 1750
Headwaters at Vale of Health Pond drain to the Hampstead Stream
The Hampstead Stream
Viaduct Pond drains to downstream ponds
Hampstead Heath Ponds
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Hampstead Heath Ponds are a series of some thirty bodies of water on or adjacent to Hampstead Heath, a vast open area of woodland and grassland in north London.
River Fleet
…being treated at Beckton Sewage Treatment Works. Its headwaters are two streams on Hampstead Heath, each of which was dammed into a series of ponds—the Hampstead Ponds and the Highgate Ponds—in the 18th century. At the southern edge of Hampstead Heath these descend underground as sewers and join in Camden Town. The…
Hampstead Heath's Model Boating Pond (Highgate Pond no. 3).
Hampstead Pond no. 1, Southernmost western pond on the Heath.
Hampstead Heath mixed bathing pond
Highgate no. 1 pond is a nature reserve pond on Hampstead Heath.