I'm beginning to think the groundwater problem between Maidenhead and Ruscombe, like some other recent floods and storm damage, isn't entirely unprecedented.
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A lot of the watercourses are artificial, so this was pretty marshy before they were cut. There are also some suggestive names here too (Mire Lane, Windsor Ait, ...).
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A lot of the watercourses are artificial, so this was pretty marshy before they were cut. There are also some suggestive names here too (Mire Lane, Windsor Ait, ...).
Historically this whole area south of the line here was a large shallow lake, "Ruscombe Lake", which was drained around 1820, via a new "Bray Cut" going East, and the Twyford Brook (/"River Broadwater") going South-West. It's still waterlogged and marshy at the slightest provocation, as your fine detective work suspected!
(First post, so apologies if I'm doing it wrong.)