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Juas Water Treatment Works Refurbishment
The refurbishment of Juas Water Treatment Works in the North of the island is now under way aiming to save £5 million over the next 25 years as part of a new water treatment strategy, which in total is forecast to save £10 million of expenditure over the same period.
The works, which plans to have Juas Water Treatment Works operational by the Autumn of 2018, are being carried out by a team of six Guernsey Water staff - three working full time on site, two of which have qualified through Guernsey Water apprenticeships.
This page will follow the team and their work during the refurbishment process.
Juas Water Treatment Works
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This infographic is optimised for use on larger screens but you can still explore the treatment works by tapping on the individual elements in the illustration below. For an optimal experience, we recommend browsing with a larger screen.
Washwater Recovery Tanks
Particles captured in the filter beds will be periodically washed out, this washwater, containing the particles, will then be gravity fed into three of the site's washwater tanks, where the sediment will settle out to form a layer of sludge. The sludge will then be pumped into the sewer network and the remaining water returned to the quarry for future use.
High Lift Pump House
Home to the pumps which will feed treated water into our distribution network. Clean water from the filter beds will flow to the highlift house where it will be treated with ultraviolet light for disinfection and a final dose of chlorine. This ensures wholesome water quality is maintained as it travels through the distribution network to customers' homes. Water samples are taken on a regular basis at this point.
These act as a reserve supply of water within the distribution network to accomodate times of peak water demand.
Random samples are taken from our customers' homes throughout the year to ensure that water quality meets our standards. 1236 individual tests were conducted in 2017
May 2018 - Analytical equipment in place
Some of the sites Analytical equipment fitted in place, these will monitor Chlorine, PH and Turbidity.
May 2018 - Pipe work support in the high lift house
A shot of part of the fabrication the team have carried out to support the pipework in the High lift house!
May 2018 - The High lift pipe work in place
The High lift pipe work now in place, filtered water will be pumped through this pipework and into the network to our service reservoirs and customer's homes!
April 2018 - The Highlift Pump Pipework
The highlift pump pipework installation continues, this is where treated water will be pumped into the distribution network
April 2018 - The High lift Pump House
The highlift pump house, the cabinet in the foreground is the UV control unit which is currently being installed.
April 2018 - The Control Room
The control room in preparation for a fresh lick of paint. Monitoring and controlling of the works will take place either from this room or our base at Brickfield House once the works is operational