King's Sedgemoor Drain
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King's Sedgemoor Drain is an artificial drainage channel which diverts the River Cary in Somerset, England along the southern flank of the Polden Hills, to discharge into the River Parrett at Dunball near Bridgwater. As the name suggests, the channel is used to help drain King's Sedgemoor.
Construction of the drain started after the 1801 Brue Drainage Act was passed.
In Roman times the course of the River Parrett near Puriton was much different from that of today. It followed part of the route of the present day King's Sedgemoor Drain, forming almost a great loop along the southern flank of the Polden Hills.