The Hodder and Thirlmere Aqueduct Access Gates
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Watchgate Water Treatment Works (Kendal Cumbria): SD531982

This plant is of major importance as it connects the Thirlmere and Haweswater Aqueducts. Following the Longsleddale Valley water runs from Haweswater into the Thornybank treatment plant.

A feeder pipe connects with the Thirlmere Aq flowing some miles to the west. Upto 200 Ml/d can be injected into the Thirlmere aqueduct at Kendal via the Thorneybank pipeline from the Watchgate WTW

A piped supply also comes in from Ullswater via Haweswarter and Shap

See News :
Massive Pipes for Watchgate & Recent Maintenance Works

A small unmanned treatment plan exists at Staveley known in the trade as a Dosing plant, because it injects chlorine into the main aqueduct

The plant is computer controlled from Liverpool and Watchgate
It is also directly alarmed to the local police so dont get to inquisitive