Pump Distribution across the UK.
	A quick analysis of the records in the National Register indicates that the apparent distribution of existing pumps around Britain is very uneven. This leads to the question why, and the current conclusion is that there could be a combination of factors: (a) Population densities and distribution in rural and urban areas. (b) The remoteness of the location and hence the stage at which centrally-supplied mains water was introduced. (c) The subsequent removal of pumps for health/tidiness/material recycling/land re-use reasons. (d) Patchy recording of those which remain. (e) And, surely primarily, the variable geology and topography across the country, which would have determined both the need for and the practicality of the sinking of wells or boreholes to reach the water table.
	On the left, below, are some extracted examples taken from the National Register (as of Sep 2008) and on the right is a map produced by the UK Groundwater Forum which reflects the hydrogeology of the British Isles. Once the National Register is considered comprehensive enough, a comparison will be made with the locations of surviving pumps, in order to search for the expected correlation with the permeable layers and river gravels. In the meantime, take a look for yourself and let me know your thoughts please.
	Area Pumps located to date Scotland N of Firths of Clyde/Forth 56 Scotland S of Firths of Clyde/Forth 25 Cumbria 23 "Old" Yorkshire 139 "Old" Lancashire 15 Isle of Man 1 North Wales 24 Pembrokeshire/Carmarthenshire 47 Whole of the rest of South Wales + Mon 17 Essex 227 Sussex 29 Hampshire 14 Isle of Wight 11 Cornwall 69

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