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Derby Corporation Water Department
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Little Eaton-19
Image 41 of 43
Little Eaton Water Works
Is this infiltration water or return process water entering the tank?



RAB: Possibly a return from sludge thickening, which was used in the 1957 system - but it was all slow-sand prior to 1957 ? I don’t recall seeing any plan of what or where though. Or just possibly washing of the slow sand filters at LSW, though ditto, I don’t recall any pipeline for it. I wouldn’t have thought infiltration would be encouraged as it could pick up drain leakage too; and this looks to be a fair old flow.
Photo reference: Little_Eaton-19