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The floating solar pontoon will cover around a tenth of the reservoir – enough to fill eight Wembley football pitches

London set for Europe's largest floating solar system

Europe's biggest ever floating solar array is being installed on the Queen Elizabeth II Reservoir, to the south of the River Thames.

High-voltage power lines. The UK has an enviable wind resource for the new demand response scheme, with Scotland the windiest country in Europe

Blustery Britain brings windfall for businesses with new demand response scheme

Days when Britain's renewable energy output is at its greatest could prove to be a money-spinner for energy-intensive businesses under a new automated 'demand turn-up' service being piloted by National Grid.

Once completed the Godley site will dwarf the only other solar site in the UK, an 800 panel pilot scheme in Berkshire

Manchester set for Europe's largest floating solar project

Installation has started today (26 October) on Europe's largest floating solar power system which will generate 2.7GWh of renewable, zero carbon energy each year on a reservoir near Manchester.

Millions of shade balls are released into an LA reservoir to combat water loss

Sustainability stats: This week in numbers

This week edie reported plenty of tech news from Silicon Valley, UK food waste figures and developments from our very own foreign correspondent in Indonesia.

Mayor Garcetti releases the final balls onto Los Angeles reservoir

'Shade balls' to save drought-stricken Los Angeles 300 million gallons of water

Los Angeles is using millions of 'shade balls' to prevent water loss during California's worst drought in recorded history.

Tirfie Tikura, a mother in Gellabo village, whose life has been changed by the solar-powered water pumping system

A brighter future: using solar power to tackle the water crisis in Ethiopia

There are 44.5 million people in Ethiopia that don't have access to safe drinking water. Renewable energy is an ideal solution in remote areas with no mains electricity. We take a look at a WaterAid project that used solar power to save lives.

Retailers often have to source from overseas suppliers to ensure they have sufficient quantities of produce. Photo: Rob Crandall /

Cross-sectoral cooperation key to managing water risk in retail sector

Retailers must widen their investment portfolio and look to engage with a broad range of stakeholder groups if they wish to secure future water supplies within their supply chains, new research suggests.

Monsanto expects it's water efficiency measures to save 135-360 billion litres of water per year by 2020

Monsanto targets smarter irrigation to drive 25% water use reduction by 2020

Agricultural giant Monsanto has pledged to increase irrigation water efficiency across its global seed production operations by 25% by 2020 and will report on its progress in meeting this goal.

There are already initial plans for investment in new and upgraded pumped storage schemes in Scotland, which could unlock over £1bn worth of investment

Renewables sector calls for 'new hydro generation'

Scottish Renewables is today (3 May) calling on the UK and Scottish Governments to join forces and create a new body to examine the potential of hydroelectric pumped storage which the organisation believes would unlock £1bn of investment and deliver 'a massive boost to UK energy security'.

Farming sector: 'time to pull plug on water waste'

Government policy must be shaped to enable farmers to better capture water "during times of plenty" to help the industry produce more food during shortages, says the NFU.

Developers will need to provide assurances about reservoir safety before planning permission is granted under the NIE's proposals

Proposals for Northern Ireland flood risk policy announced

Flood risk assessments will need to be submitted by developers in Northern Ireland if new initiatives by the Northern Ireland Executive (NIE) to reduce the risk of future flooding are approved.

Businesses and households in Fife and the Lomond Hills area of Scotland are being encouraged to conserve water after a dry summer left reservoir levels lower than usual at this time of year

Customers in Fife urged to conserve water after 'very dry summer'

Scottish Water is asking households and businesses to help conserve water supplies in Fife, particularly in the Lomond Hills area. The move is because of the unusually prolonged spell of dry weather and low rainfall, which has left reservoirs and other raw water sources currently lower than normal water levels.

Lincoln's reservoir in the construction phase

Lincolnshire's new reservoir to secure water supply for area's growing industry

Water security in the Lincolnshire area has been boosted this week as the county's new reservoir receives its first flow of water.

Richard Benyon  and Heidi Mottram at the reed beds next to Hanningfield Reservoir

Ground-breaking reed bed system cuts carbon for Essex & Suffolk Water

Essex & Suffolk Water's recently completed reed bed system, thought to be the first of its kind, is saving the company 70 tonnes of CO2 emissions a year compared with a conventional system.

Multi-purpose reservoirs key to long-term water security

Multi-purpose reservoirs can harmonise society and the environment but most are not being used to their full potential and could be waiting decades for major droughts or floods, says Black & Veatch's Alex Hamilton.

The valley prior to development

Coire Glas pumped storage one step nearer

Scotland's largest ever hydro project has been given the go-ahead by the Highlands council. Natasha Wiseman reports on the proposed £800m scheme.

Scottish Water to go renewable with 18 turbine wind farm

Scottish Water is planning to construct a 54MW wind farm on its land at the Backwater Reservoir in Angus, Scotland as it attempts to become self-sufficient in its energy use.

South East Water says restrictions stay for now

While water companies Southern, Thames and Anglian have lifted their water restrictions South East Water (SEW) has stressed it is keeping temporary use bans in place, as it continues to carefully monitor water levels. SEW said recent rainfall has boosted river and reservoir levels but "has had little impact" on the region's groundwater sources, many of which remain at severe levels.

Thames Water boss scoops major bonus

Thames Water's annual report has revealed that its chief executive Martin Baggs scooped a six-figure bonus - despite hosepipe bans and falling customer satisfaction.

Drought status removed from three more areas

South West England, the Midlands and parts of Yorkshire have been removed from the Environment Agency's (EA) drought list due to the recent heavy rainfall.

Trade union blames UK drought situation on reservoir closure

UK water supplier Thames Water has come under fire from trade union GMB for closing more than 20 reservoirs, which it argues is responsible for making drought in the south east worse.

Water companies warn hosepipe bans could last all summer

Water restrictions are set to come into force for southern and eastern England customers later this week as seven water companies pull the plug on hosepipe use.

UPDATED: Water restrictions expected next month

In light of today's (March 12) announcement that water restrictions are set to come into force next month, edie asks water intensive industry how it will be affected.

Piping up for savings

A technique for internal pipe repair is making savings on major United Utilities mains projects. Intrepid WWT editor Natasha Wiseman dropped into the pipe to find out how it works

An artist's imrpression of the proposed Cheddar site

Bristol Water plans for new reservoir

Bristol Water has unveiled that the location for a major new reservoir will be near its existing Cheddar reservoir in Somerset.

Aylesford Newsprint: working with Lewes and Wealden District Councils

Lewes and Wealden join forces and save money

Lewes and Wealden District Councils have signed a combined contract with Aylesford Newsprint.

High standards in a tight spot

Work is under way on two old aqueducts which take water all the way from the Lake District to Manchester. Andrew Taylor, director of confined-space specialist PMP, discusses his company's inspection work on the projects

How to meet a deadline

Yorkshire Water has finished refurbishment of one of its water treatment works as part of the AMP4 Large Scheme Programme. Ian Farmery and Mark Hayton outline the project.

Bullet-proof buoy solves level-measuring problem

It saves manpower and can even cope with a complete lack of any electrical or telecoms infrastructure. Peter Easey of MetaSphere reports on a new vandal-proof approach to reservoir level measurement

Huge roofs on Top o' th' Cow

They are believed to be the biggest freely supported concrete domed roofs in the UK. Stewart Tennant, director of GHA Livigunn, describes one of the most technically demanding projects of his career

Investing to protect the water network

Investment in the security of the water network has moved beyond the legislated upgrades required of our service reservoirs. Michael Miles of Technocover looks at new areas of focus for enhancing the protection of water infrastructure

Monitoring optimises energy use

Extracting, treating and pumping water uses a huge amount of energy. Accurate monitoring can identify leakage and reduce energy consumption, says Tony Hoyle, ABB's flow products manager

Desalination - a necessary evil?

The government's approval of a £200M desalination plant in east London highlights its failure to secure the sustainable use of resources, writes CIWEM's executive director Nick Reeves

End in sight for Glasgow's Katrine Water Project

Six years after planning permission was submitted, Scottish Water's huge Katrine Water Project is nearing completion. And it will supply Glasgow with a state-of-the-art water supply.

Specialist intervention techniques maintain the flow

Hot tapping and line stopping can be used to undertake repairs and modifications online, with no disruption to flow or service. Mike Tucker, head of sales at Furmanite International, reviews the technology

Coping under pressure

In one of the biggest projects of its kind ever carried out, UPS used its under-pressure drilling techniques at a Hampshire reservoir. And, when the drill diameter is 1,200mm, some careful planning is necessary.

Setting standards for Europe

The UK water industry has set standards in infrastructure security which are impacting other utilities sectors here as well as the continental water industry. Michael Miles reports.

Atkins builds UK's biggest pumping station

Work has begun on a project to drain 700km2 of land in Norfolk. John Sheppard, principal engineer of the Water Operations Team at Atkins, describes the £35M scheme, and the construction of the largest pumping station in the country

Langsett WTW gets THM levels reduced

Earth Tech Morrison has played a major part in reducing Trihalomethane levels at treatment works to improve removal of iron and manganese, the build-up of which was affecting the plant's efficiency.

Siltbuster - solving the shortage down under

The highest level of water restrictions has been imposed by East Gippsland Water in Australia following harmful pollution affecting the Mitchell River. To overcome the resultant water shortage there, the water company turned to Siltbuster find a solution that would improve water supply to 17,000 residents in the region.

Trant builds membrane filter plant trio

Trant Construction is currently building three membrane filter plants in the South. One of the contracts, on the River Itchen in Portsmouth, is worth nearly £13M. Sean Jordan, contracts manager for the company's water engineering arm, reports on the project

Welsh mushrooms lead to legal battle

A dispute has arisen over a land owner's right to develop a site after an unusually high number of wild mushrooms were found in the area during the environmental impact assessment, making it a candidate for possible SSSI designation.

Understanding the Blueprint

The coalition that produced the Blueprint for Water has insisted it is not directly criticising water companies or Ofwat in its ten-point plan of action to solve the country's water crisis. Rather, it is an attempt to look at the 'totality of water management'. Sally Nash reports.

Modelling aids Malaysian flood control

River system modelling and flood forecasting are growing in importance in Asian water management. Abd Jalil Hassan and Md Nassir Md Noh of the Department of Irrigation and Drainage at the National Hydraulic Research Institute in Malaysia describe a recent project in the Selangor basin.

Overlooking the obvious

Rainwater harvesting can drastically cut water demand - yet it is being grossly underestimated, writes Chris Williams.

Algal treatments

Global warming means algal blooms can only increase. Tom Hall of the WRc Group reports on the latest research into treatment programmes

Leak-solving the Smart way

An unprecedented union of water companies and Severn Trent Services have joined forces to address the water shortage problems. Their collaboration has resulted in a new meter - the SmartMeter C100R - being designed and tested. In the first of a series of quarterly articles for WET News, Neil Furmidge provides an insight into the meter's creation.

Profiting from Profibus

Mowlem is building a new filtration and treatment plant for Essex and Suffolk Water Company. The use of Rotork actuators is realising major savings for the water company. We find out how.

Effluent: Waste or resource?

Changes in rainfall and increasing demand mean that water has now become too valuable a resource to be used only once. Here Martin Hind of Biwater Treatment looks at some alternatives

Australian reservoir managers take up ARMS

A decision-support system developed at the Centre for Water Research (CWR) at the University of Western Australia provides an automated tool for managers of surface waters to monitor and forecast the quality and condition of resources. The researchers, José R Romero, Jörg Imberger, Jason P Antenucci, Chris Dallimore, Matt Hipsey, Sheree Feaver and Farhad Fozdar, explain the technology.

Sino-Dutch team develops Yellow River plan

Conflicting demands on water resources for urban and agricultural uses, combined with a variable rainfall pattern, is seriously impacting on livelihoods and the environment in the central part of the Yellow River basin in north-east China. Robert Smit and Koen Roest of Wageningen University & Research Centre (WUR), in The Netherlands, report on a Dutch-Chinese partnership project that is investigating options for groundwater and surface water management in the region.

Tank cleaning - the undercover operation

Millions of homes and businesses never see the infrastructure, including subterranean water storage tanks, which supply them with safe and clean water. Water engineering company Panton Mcleod has been tasked recently with cleaning these massive storage tanks as part of the Katrine Water Project.

How to make a little go a long way

The current drought is the second serious one to have hit the UK in ten years. Back in the mid-1990s, road tankers were used to transport water to the worst-hit area - West Yorkshire. But what contingency plans do the water utilities now have in place to ensure the supply of water? Sally Nash investigates

Saudis test RWH and storage techniques

A two-part project to test and implement rainwater harvesting (RWH) and storage techniques in Saudi Arabia was motivated by the need to maximise the retention of resources in this dry environment. Abdul Malek A Al Sheikh of the Prince Sultan Research Center for Environment, Water and Desert (PSRCEWD) at King Saud University in Saudi Arabia explains the project's design and execution.

Macedonia develops distribution master plan

In a project financed by the Czech government, Macedonia has prepared a master plan for water supply and distribution for the Macedonian city of Kocani and surrounding area. Vladimir Havlik and Jarmil Vycital from Czech consultancy Hydro Projekt explain the modelling process that was undertaken.

What's it all about...? Energy storage

With energy saving policy dominating the headlines, significant savings could be achieved through the storage of energy, argues Tim Hennessy

Glaswegian innovation

The replacement WTW at Milngavie will serve 700,000 Glaswegians. We look at the progress of Scottish Water's £120M job, known as the Katrine Project

The HWJS precipitation measurement station. Image Logotronic

Hydrometeorological measuring network for Vienna

Optimisation of Vienna's sewage management system necessitates collection of accurate and detailed meteorological information on precipitation. Carolin Melischek of Austrian instrumentation specialist Logotronic explains how the company is supplying measurement stations based on its most advanced datalogger.

The tank under construction - simultaneously pouring the floor, walls, column and roof sections.

San Diego's mega-tank reaches completion

Increasing demands on both quality and capacity at the Alvarado Water Filtration Plant in the US city of San Diego, California, meant constructing the world's largest circular, prestressed concrete storage tank. Judy Horning of US tank manufacturer, DYK, describes the challenge of meeting not only the highest standards for potable water storage but also of making the tank earthquake resistant.

Aral Sea Project I reaching completion

Images of fishing boats stranded on the desertified, salt-encrusted bed of what was formerly the Aral Sea, the world's fourth largest inland lake, caused widespread shock when they came to public attention in 1997. Michael Haigh, divisional director in Mott MacDonald's Water and Environmental Management division, reports exclusively for World Water on the first phase of the Aral Sea Basin Project, which is designed to secure the existence of the North Aral Sea, sustain and increase agriculture and fishing, and improve human health.

Estuary reservoir will boost Singapore supplies

A 300m long tidal barrier is under construction in the estuary of Singapore's main river. When completed, the Marina Barrage will create a unique freshwater reservoir in downtown Singapore, as Yap Kheng Guan of PUB explains.

Winter weather threatens London's leakage targets

The prospect of a colder than average winter has fuelled Thames Water's research into understanding the effects of cold water on its water distribution network in south-east England. Andrew Boyd of RWE Thames Water reports on the range of strategies under consideration.

Sensor protects Cheddar Gorge

Sensors from a UK instrumentation specialist, Gems Sensors, are helping to protect the ecology of the River Yeo as it flows from the historic Cheddar Gorge in south-west England. Colin Lussenden, product manager at Gems explains the importance of accuracy and reliability in this environmentally sensitive region.

UK celebrates reservoir management success

The UK's first reservoir management system, designed by US-based Severn Trent Services (STS), marked its second year of successful operation in September 2005. Matthew Sears, STS's business development manager for disinfection solutions, reports on a system that eliminates reservoir water quality problems associated with thermal stratification, stagnation and blending of different water qualities within water storage systems.

Water wars

Never mind oil, says CIWEM Executive Director, Nick Reeves, water could be the cause of the next global conflict

Telemetry cabinets - a lot less hassle

Modular cabinets offer secure storage for pressure-relief valves as well as increasingly vital security for storing chlorine.

Leakage-driven mains renewal

Dennis Grimshaw, technical development director of RPS Water, reviews the current leakage position and looks at mains renewal as a preventative measure

Holiday disruption minimised

Brownsea Island is owned by the National Trust and sits at the entrance to Poole Harbour, Dorset. Both the harbour and the island are sites of special scientific interest.

Will high oil price see the return of coal as a mainstream fuel?

Nuclear power is currently the hot topic, but the continuing high oil price could bring clean coal into contention as a mainstream fuel. Eric Russell reports

The inside story

Internal pipe-joint repairs avoid difficult excavation and high service costs, Stephen Taylor of PMP reports

Concrete ideas

Makers UK has developed a solution to aggressive acid attack on WwTW assets

The saline solution

Anthony Bennett, Technical Director at Clarity, reports on developments in UK desalination, the driving forces behind it, and its growing future

Don't fear the cleaner

After some teething troubles the future looks bright for the VR-600, a device supplied by Panton McLeod, which cleans service reservoirs while they remain online

Turning on the waterworks

ACWa Services reveals its plans for Scottish Water's new WTW at Glenconvinth

Three Gorges Dam with hydropower units (green/orange) and spillway gates in three levels. Photo: Three Gorges Project Construction Organization

China embraces flood management modelling

Two major projects using computer modelling software to manage potential flooding in China have been undertaken by DHI Water & Environment of Denmark. Jacob Høst-Madsen, head of the river and flood management department at DHI, explains how controlling and river water levels will avoid flooding of the Yangtze and the Songhua river basins.

Watching the waters

Andrew Wetherill of Yorkshire Water assesses the development of technology to monitor and optimise the process of coagulation

A wise investment

Speculation SW is to be privatised is reducing and the utility is vastly expanding its investment programme throughout Scotland

The Chi-Chi earthquake in Taiwan, in September 1999, destroyed the right wing of the Shih Kang Dam, the breach resulted in severe water shortage in Tai-Chung.  Photo: Tim Little/BC Hydro.

Uncertainty inevitable in dam design

Risk and Uncertainty in Dam Safety by CEA Technologies' Dam Safety Interest Group. Review by Dragutin Jovanovic, chief engineer for the Ministry of Water Resources, Ethiopia

Map showing the SASS and Lullemeden aquifers on a satellite backdrop

Satellites aid African aquifer management

As developing countries struggle to maximize use of water resources, Stefan Saradeth, Ruth Möller, Tobias Wever and Mohamed Safar-Zitoun of GAF AG in Germany, report on an ambitious Euro-African partnership project that uses Earth observation data from space to plan for groundwater sustainability in six North African countries.

Iraqi workers lay water distribution pipeline in Basra.  Photo: CH2MHill/Parsons JV

US wades into Iraqi water

Iraq's Minister of Municipalities and Public Works asked leaders from the North American water community to provide technical and operational expertise to assist her country in rebuilding its water infrastructure at a meeting hosted by the American Water Works Association (AWWA) on 8 December.

World Bank back in big infrastructure - Briscoe

World Bank policy on large projects has done an about-turn in the last year. John Briscoe, Senior Water Advisor to the Bank, explained the new strategy in an interview with Robin Wiseman at the recent IWA Congress in Marrakech

India-Nepal flood plans collaboration

A two-day meeting of the India-Nepal Joint Committee on Water Resources (JCWR) in New Dehli in October resulted in the constitution of a joint technical group to prepare a strategy for flood control. The Comprehensive Master Plan on Flood Forecasting and Warning is intended to alleviate suffering caused to millions in both countries.

Decreasing the grease

Environmental Biotech is working with Anglian Water to rid Essex pumping stations of fat, oil and grease contamination problems

Treating municipal water

Ted Farnon from Micronics reviews the potential for ultrasonic level and liquid flow technology in water and wastewater treatment

Taking control of reservoirs

Ian Hope, a technical manager at the EA, spells out the agency's strategy to ensure reservoirs are safely operated and managed

Improving storage facility quality

O Parry, D Wild, A Blackbourn and C Bayes of Yorkshire Water Services investigate the utility's commitment to providing better storage units to maintain water quality standards

A model approach to flooding

With tackling sewer flooding now a significant component of AMP4, Saul Bradford of HartFair looks into the use of sewerage modelling tools to devise remediation strategies

Reed all about new systems

Angus Marland of Rockbourne Environmental reports on the recent use of constructed wetlands for sewage treatment

Figure 1 - ZeeWeed<SUP><FONT SIZE=TM Membrane Cassette">

Innovative membrane technology for potable water production in the Channel Islands, by Jack Noble, Managing Director at Zenon Environmental (UK) Ltd.

In this article we describe two recent potable water projects in the Channel Islands where Zenon ZeeWeedTM ultrafiltration (UF) membranes have been retrofitted to meet the challenges of variable feed water quality and removal of suspended solids and pathogens such as Cryptosporidium. We describe a 13 MLD system for The States of Guernsey Water Board (SGWB), installed at St. Saviours, that was retrofitted into existing clarifier basins, and a UF system followed by reverse osmosis (RO) that produces 4 MLD of an RO permeate / raw water blend at Le Mourier on Jersey. The blended water is added to Jersey's resources to meet the peak requirement of 30 MLD. This system was retrofitted into an existing storage tank. The UF / RO system reduces the nitrate level in the blended water to below the European Commission guideline level of 50 mg/l. We also describe the configuration of the ZeeWeedTM membrane and show how on-line measurements are used to help maintain system integrity.

Investing in a new works

ACWa Services scoops M&E contract for the new Fort William WTW

Purified water at your fingertips

Veolia Water reveals some of its water purifying techniques that are enabling government to boost use of brownfield sites and clean up, re-use and redevelop contaminated land

Potable water production - new advances

In a second exclusive for World Water, Anthony Bennett of Specialist Technical Solutions Ltd evaluates the use of ultrafiltration and micro-filtration technologies at a number of plants worldwide.

Energy Storage - a distraction for renewable energy? By David Milborrow

"Renewables need storage", claim their detractors -- and sometimes their supporters as well. "Storage can transform the economics of the intermittent renewables", proclaimed an august body recently.

Pontoon poised for action

Ashley Sansom reports on the Bewl to Darwell water transfer scheme

Drawing on experience of BNR

James Barnard, Pedro Curto and Frank Rogalla of Black & Veatch explore the past 30 years of biological nutrient removal and the various theories put into practice at different works

Splash for cash

Martin Gibson, director of Envirowise, is concerned that UK businesses waste too much water... and money

It's been a long, hot summer

Too much rain and too much sun? Mark Shepherd of ADAS looks at ways the UK can deal with the threat of both droughts and floods after the confused weather over the past year

Time to take covers seriously

In order to stop potential contaminants entering the water supply, Strataform is calling for water companies to consider high-security measures when selecting their access covers

Technically speaking

Black & Veatch's Frank Rogalla looks at a water taste and odour plan

Technically speaking

Black & Veatch's Frank Rogalla looks at a water taste and odour plan

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