Groundwater, Ultraviolet


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Joint venture wins Perth groundwater replenishment contract

Western Australia's Water Corporation has awarded a contract to design, construct, and commission a full-scale advanced water replenishment plant (AWRP) to a joint venture between CH2M Hill,and engineering company Thiess. The project will help secure Perth's drinking water supplies through 2060

The Orange County Groundwater Replacement System

Go-ahead for 113,500 m³/d Orange County GWRS expansion

Orange County's world-renowned membrane-based Groundwater Replenishment System (GWRS) in California is to be expanded by another 30 MGD (113,500 m³/d) following approval by the board of the Orange County Water District (OCWD) on 30 March 2011.

Australia's first groundwater replenishment trial launched

Western Australia's water minister, Graham Jacobs, launched Australia's first Groundwater Replenishment Trial on 30 November 2010, which research indicates may be cheaper than desalination.

Oxnard AWPF currently under construction

Finance agreed for Camarillo regional desalter studies

Two water districts and two - possibly three - cities in southern California have agree to finance studies for a regional brackish-water desalination plant to be located near Camarillo.

WRA/IUVA webcast looks at disinfection in reuse

The WateReuse Association (WRA) and the International Ultraviolet Association (IUVA) have announced a webcast discussing the various applications of UV technologies for water reuse purposes, including disinfection (inactivation of pathogens) and destruction of chemical constituents.

Siemens wins OC membrane system contract

A hollow-fiber membrane pretreatment system is to be supplied to Orange County's Groundwater Replenishment (GWR) system expansion under a US$ 14 million contract won by Siemens in California, USA.

Xylem treatment boosts Chesapeake water quality project

Water technology firm, Xylem, has won a contract to provide advanced treatment to an existing wastewater treatment plant in the city of Frederick, Maryland and play a key role in an initiative focused on improving water quality in the Chesapeake Bay.

Xylem bags Singapore UV deal

Water technology specialist, Xylem, has won a US$ 500,000 contract to supply a major municipal water reclamation facility with ultraviolet (UV) disinfection solutions.

San Diego gives green light to potable reuse plan

San Diego's city council has given the green light to the construction of a 415Ml/d facility for direct potable reuse of wastewater costing up to US$ 3.5 billion. The reverse osmosis recycling scheme is expected to meet as much as a third of San Diego's daily drinking water requirement by 2035 making it the second largest potable reuse plant in the US.

Singapore utility awards desalt deal to Chinese-led group

Singapore's national water agency, PUB, has selected the BESIN-UEN consortium - led by China's Beijing Enterprises Water Group (BEWG) - as the preferred bidder to construct the second reverse osmosis (RO) plant sited at Changi under a public/private partnership.

Randy Truby joins board of Neo-Tech Aqua Solutions

Ultraviolet (UV) disinfection specialist NeoTech Aqua Solutions Inc announced on 10 March 2014 the addition of Randy Truby, a past president of the International Desalination Association, to its board of directors.

Grundfos buys American UV disinfection specialist

Danish pump manufacturer Grundfos announced on 5 June 2012 that it had acquired Enaqua, a San Diego-based company specializing in ultraviolet disinfection technology and specialized membranes for water purification.

MBR/RO at heart of PepsiCo reuse plant in Chile

A membrane bioreactor (MBR), reverse osmosis (RO) and ultraviolet (UV) disinfection are all part of a wastewater treatment and reuse plant upgrade being completed by Siemens Industry Automation Division for PepsiCo in Chile.

MF/RO plant may be Santa Clarita salt solution

A microfiltration/reverse-osmosis (MF/RO) advanced wastewater treatment plant is one of several options being considered by the Santa Clarita Valley Sanitation District (SCVSD) in California, USA, to deal with excessive chloride levels in the wastewater it discharges to the Santa Clara River from its two treatment plants.

San Diego's advanced treatment facility viewable on YouTube

A video has been posted on YouTube of San Diego's Advanced Water Purification Facility, the centerpiece of the city's Water Purification Demonstration Project.

Texas wastewater-reuse plant could be first of three

The Colorado River Municipal Water District (CRMWD) in Texas, USA, is anticipating the construction phase early in 2011 of its first regional water reclamation plant, which will be membrane-based and located in Big Spring.

San Francisco's Golden Gate Park

San Francisco plans wastewater reuse plant in city park

San Francisco's Public Utilities (SFPUC) unveiled plans on 7 September 2010 for its proposed Westside Recycled Water Project, part of its Water System Improvement Program.

MBR at heart of innovative wastewater reuse project

An innovative wastewater treatment/water reuse project was opened for the City of Clovis, California, USA, on 19 March 2010, featuring membrane bioreactor (MBR) technology, ultraviolet (UV) disinfection and a patented sludge-reduction system

Biwater bags California reuse contract

UK water technology group Biwater has been awarded a contract to design, supply and commission all process, mechanical, electrical and control components for a planned wastewater reuse demonstration project in California, USA.

The Orange County Water District Groundwater Replenishment System will test closed circuit desalination technology in a six-month pilot

Desalitech and CH2M to pilot closed circuit tech in Orange County

Desalitech and CH2M are to supply a ReFlex Max system for a six-month pilot study to be conducted at Orange County Water District's Groundwater Replenishment System (GWRS).

District backs out of California's GRIP water-reuse project

One of the three main partners in a US$ 210 million indirect potable water-reuse scheme in California's San Gabriel Valley has walked away from the project.

Biwater to supply UF and RO systems to California replenishment project

Biwater, UK, has won a contract to design, supply and supervise ultra-filtration and reverse osmosis systems for Southern California's Groundwater Reliability Improvement Program.

Parsons selected for California water-reuse expansion

California's West Basin Water District has awarded its largest ever water-reuse contract to Pasadena-based Parsons Corporation on a design-build basis.

Desalination and reuse in California/New Mexico get funding

US Secretary of the Interior Ken Salazar announced on 1 July 2009 27 water reclamation and reuse projects in California and New Mexico identified by the Bureau of Reclamation to share in a total of US$ 134.3 million under the American Recovery & Reinvestment Act of 2009.

Neptune Benson buys Sonitec Vortisand

Engineering firm Neptune Benson, has bought Canada-based water filtration company, Sonitec Vortisand, for an undisclosed sum.

Australian mining town to up quality from boreholes close to pit with desalination plant

The Australian arm of water technology firm, Valoriza Agua, has won a design and construct contract to deliver a 16.5 Ml/d water treatment plant to replace an existing facility and provide drinking water for the Western Australian mining town, Newman and the mine. The plant will include brackish water reverse osmosis and an ultraviolet treatment system to treat a mix of flows from drinking water boreholes sited too close to mining activities.

Fluence Corp has sold its first units in South America, to a municipality of capital city Buenos Aires

Fluence Corp supplies its de-centralised tech to new markets globally

Fluence Corp has secured new orders for its Nirobox technology in the Philippines, and Argentina.

RWL wins contract to build desalination plant in Argentina

RWL Water has won a contact to build what it claims will be Argentina's largest seawater reverse osmosis (SWRO) desalination plant.

West Basin declares record year in recycled water output

West Basin Municipal Water District in California has declared fiscal year 2013-14 a record 12 months in recycled water production at its Edward C Little Water Recycling Facility. The plant produced 60,000 Ml of recycled water in the period.

Evoqua's management team rings the opening bell at the New York Stock Exchange

Evoqua IPO proceeds will be used to pay down debt

Evoqua shares raised $500m on its Initial Public Offering (IPO) on the New York Stock Exchange on 2 November.

Singapore picks builder for new water reclaim plant

Singapore's water agency, the Public Utilities Board (PUB), has selected a consortium led by Bejing Enterprises Water Group and United Engineers as the preferred bidder for the Changi II plant under PUB's Newater marque.

San Diego awards a $1 million deal for water reuse information campaign

The US city of San Diego has awarded a $1 million contract with communications firm Katz to develop an outreach campaign to inform the population of the city's water reuse plans.

H2O Innovation lands San Jose WTP ultrafiltration contract

A 30 MGD (113,562 m³/d) hollow-fiber ultrafiltration (UF) membrane water treatment system in California is one of three new contracts totaling Can$ 8.8 million (US$ 8.1 million) announced on 21 May 2014 by H2O Innovation.

AmaLine 'maintenance can be performed by a single operator', says Berson-Hanovia

Hanovia and Berson present new UV range, combine into one company

Halma businesses Hanovia and Berson have together launched a new low-pressure ultraviolet (UV) disinfection system for treating municipal, reuse, and wastewater.

H2O Innovation lands three water/wastewater contracts

H2O Innovation Inc announced on 14 January 2014 recent contracts totalling Can$ 6.5 million (UA$ 5.93 million) in Western Canada's energy sector.

Direct membrane filtration simplifies reuse process

Recent trials have proven that direct membrane filtration of high solids (algae) and disinfection provides a simpler treatment process with substantial cost reduction. In Pillbara, Australia, two plants are being constructed to treat wastewater for recycling aiming for a 4-log removal of bacteria and viruses by filtering alone. Ultraviolet treatment provides the final requirement to reach the required 6-log removal rate. This article gives an overview of the application, and details on the technology and design used. It first appeared in the August/September 2013 issue of Desalination & Water Reuse magazine.

Former AWWA VP joins NeoTech UV company

The former general manager of Indio Water Authority in California, Debra Kaye, has been been appointed by NeoTech Aqua Solutions Inc, provider of UV disinfection systems, as vice-president of global municipal technologies.

Osmoflo to supply two ship-mounted ROs to gas field

Potable and process water is to be supplied to a gas field north of Australia by ship-mounted seawater reverse-osmosis (RO) plants supplied by Adelaide-based desalination specialist Osmosflo.

The new desalination plant will be largely below ground, with parkland on the roof at ground level

Keppel unveils designs for Marina East Desalination Plant

Keppel has shared design details of its Marina East Desalination Plant project in Singapore, as it broke ground on 29 June 2017.

Singapore is testing technology to build water resilience and reduce its treatment footprint

Singapore ratchets up developments in water reuse

PUB aims to complete its 12,500 m3/d demonstration-scale plant for MBR systems for water reuse in mid-2017.

Construction work on the South Bay Advanced Water Treatment Facility

City seeks to join South Bay reuse system

The City of Sunnyvale in California voted on 6 March 2012 to explore connecting its recycled water system to the South Bay Water Recycling (SBWR) system operated by the City of San Jose in partnership with the Santa Clara Valley Water District (SCVWD).

New San Francisco wastewater reuse project relocated

San Francisco's Westside Recycled Water Project, which will reuse up to 4 MGD (15,140 m³/d) of secondary effluent, will no longer be built in the city's historic Golden Gate Park.

Professor Ghim Wei Ho (left), with Dr Connor Peh Kangnuo (centre), and researcher Gao Minmin, in their laboratory at the National University of Singapore

Singapore University shares its work at the forefront of plasmonic photothermic technology

A conjoined approach to solving the problems of growing demand for energy and water would definitely be attractive. At the Na­tional University of Singapore, we have integrated the solutions to these two problems by designing a plasmonic solar thermal collec­tor nanocomposite, comprising a Ag/SiO2 core, with a TiO2 outer shell as a photocatalyst.

Sprinklers irrigate an agricultural field off Highway 33 in Ventura County near Cuyama, California

Xylem ultraviolet disinfection systems win California approval

Xylem has won approval for two ultraviolet disinfection systems from the drinking water division of California's water resources control board.

Evoqua is expanding its product portfolio through a series of acquisitions in 2016

Evoqua and Neptune Benson together snap up Delta Ultraviolet

Evoqua Water Technologies together with Neptune Benson which it acquired in June, has bought ultraviolet C technology specialist Delta Ultraviolet.

Tesla chief executive Elon Musk buys ultraviolet water treatment systems for schools in Michigan, US

Elon Musk pays for UV units to purify water in Flint, Michigan schools

Chief executive of Tesla Elon Musk has donated $480,350 to install ultraviolet water filtration units at 12 schools in Flint, Michigan, US.

The City of Cape Town is poised to tender three new reuse plants to help ease the city's water woes

City of Cape Town to tender three water reuse projects

The City of Cape Town has outlined plans to develop three aquifer recharge projects as part of its ongoing drought response plan.

Santa Clara votes for advanced wastewater reuse plant

The directors of the Santa Clara Valley Water District in California, USA, approved two agreements with the City of San Jose on 23 February 2010 to build a new advanced water treatment facility involving microfiltration, reverse osmosis and ultraviolet disinfection.

Australia's CSIRO demonstrations indirect stormwater reuse

Scientists at Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO) have bottled recycled stormwater as pure drinking water titled "Recharge", CSIRO announced on 17 September 2009.

Changi wastewater reuse plant goes commercial

Stage 1 of the Sembcorp Changi NEWater Plant (SCNP) in Singapore has started commercial operations, according to a 26 August 2009 announcement from Black & Veatch, who provided full design engineering for the wastewater reuse plant along with construction support and commissioning services.

Biwater finishes first half of Changi performance tests

The first half of the Sembcorp Changi NEWater Plant (SCNP) in Singapore completed performance tests on 14 July, contractor Biwater AEWT told D&WR. No date has been set for plant commissioning, says Biwater.

Norit to supply largest UF wastewater reuse plant

Keppel Seghers has ordered Norit XIGA™ ultrafiltration (UF) membrane technology for the Doha North Sewage Works wastewater reuse project in Qatar, supplier Norit X-Flow announced on 24 April 2009.

New York PSC delays Haverstraw desalination to 2020

The proposed Haverstraw desalination plant on the Hudson river in New York state, USA, has been put on hold until at least 2020 by the New York State Public Service Commission (PSC).

EPA funding for Arlington Desalter's biological denitrification

California's Western Municipal Water District (WMWD) confirmed on 10 February 2011 that it had secured a US$ 528,000 federal grant in January for design work on a treatment system that uses naturally occurring bacteria to remove toxic contaminants, including perchlorate and nitrate, from drinking water.

Chino desalters get first general manager

Curtis Paxton, currently assistant general manager and chief operating officer of the Palmdale Water District, is to become the first general manager of the Chino Basin Desalter Authority (CBDA) in California from 24 January 2011.

SAWS brackish desalination test plant.

Further funding for San Antonio BWRO desalination project

Initial project construction for the brackish groundwater desalination program planned by San Antonio Water System (SAWS) in the USA will now be possible following a US$ 24.6 million loan from the Texas Water Development Board (TWDB).

Commission warns Australia about gas-production wastewater

Handling the wastewater resulting from coal-seam gas (CSG) production in Australia is likely to require a precautionary approach that will demand innovation from water managers and planners, and significantly greater coordination with existing project approval processes, the National Water Commission warned in December 2010.

LA district renews reuse plant contract with United Water

Los Angeles West Basin Municipal Water District has renewed its contract with United water for the next five years to operate and maintain the Edward C Little Water Recycling Plant including four satellite plants.

CaribDA to sponsor Chile desalination seminar

The Caribbean Desalination Association (CaribDA) announced on 14 October 2010 that it would be a sponsor of a seminar on Desalination, Innovations & Sustainable Development to be held in Antofagasta, Chile, during 29 November - 1 December 2010.

Egypt and Bahrain seek joint desalination projects

Egypt and Bahrain are looking to develop joint water desalination projects between the two countries.

Southern California gets wastewater reuse and desalination grants

Southern California's Joint Water Purification Pilot Program (JWPPP), which will evaluate the feasibility of wastewater reuse using advanced water treatment, has received a US$ 334,000 grant from the US Bureau of Reclamation's WaterSMART program.

Egypt to step up seawater desalination efforts

Egypt's president Hosni Mubarak has instructed the government to expand its seawater desalination initiatives and step up efforts to discover additional sources of groundwater, according to the Egyptian daily Al-Masry Al-Youm.

SEDA workshop to look at membrane pilot testing

The Southeast Desalination Association (SEDA) is to hold a workshop in Florida in April on Pilot Testing of Integrated Membrane Systems.

SAWS board goes for expanded desalination project

The San Antonio Water System (SAWS) board in Texas, USA, decided on 10 February 2012 to go for expanded desalination rather than importing groundwater.

Chino Desalter expansion to start in late summer

The Western Municipal Water District in California, USA, accepted US$ 4.5 million of federal government funds on 18 May 2009 towards the Chino II Desalter expansion project, which expected to start in late summer.

EDR/MBR well treatment may debut in Utah

A membrane bioreactor (MBR) system, developed and patented in 2008 by Magna Water District (MWD), in the US state of Utah, and Carollo Engineers, could be used for the first time together with an electrodialysis reversal (EDR) facility to remove perchlorate and arsenic from the Barton Well Field in Utah.

IDA Fellowship winners from Iran and Japan

This year's winners of the International Desalination Association's Fellowship awards come from Iran and Japan, IDA announced on 27 April 2009.

Soquel Creek district to examine water-reuse options

Soquel Creek Water District in California, whose proposed desalination project with City of Santa Cruz was put on hold last year when Santa Cruz backed out, is re-evaluating water-reuse projects and their feasibility.

West Basin rehires United Water for water‑reuse plant

Suez subsidiary United Water has been awarded a renewed contract by West Basin Municipal Water District in California to continue to operate and maintain the Edward C Little Water Recycling Facility including four satellite plants.

Leila Karimi

EDR researcher wins 2013 Channabasappa Scholarship

The International Desalination Association has awarded its 2013 Channabasappa Scholarship to Leila Karimi, a PhD candidate at the Institute for Energy & the Environment, Chemical Engineering Department, New Mexico State University (NMSU).

Monterey boreholes reveal good slant-well conditions

California American Water (Cal Am) reported on 20 December 2013 that data from its ongoing investigation into subsurface slant well intakes for its proposed Monterey desalination plant were showing promising results.

Florida state official urges more seawater desalination

Florida, which is about to become the third most populous state in the USA, has been urged by its agriculture commissioner, Adam Putnam, to invest more in seawater desalination to combat water scarcity.

California to promote reuse and streamline permitting

In the future, most new water in California will come from a combination of improved conservation and water use efficiency, conjunctive use (coordinated management of local surface and groundwater), recycled water, drinking water treatment, groundwater remediation, and desalination.

Solar/MED design aims to desalinate CSG water

A three-way partnership in Australia has entered a solar-powered desalination system for the coal‑seam gas (CSG) industry into the Australian Innovation Challenge being run by Shell and The Australian newspaper.

Southern California reused-water purchase agreed

The Water Replenishment District of Southern California (WRD) and the Sanitation Districts of Los Angeles County (SDLAC) signed a 30‑year recycled water purchase agreement on 29 August 2013, which will eliminate the need for water from northern California and the Colorado river for groundwater recharge.

Texas will need desalination says land commissioner

The Texas Land Commissioner, Jerry Patterson, said on 29 August 2013 at the Texas Groundwater Summit in San Marcos that the state would need more alternatives such as desalination to provide a solution for its thirsty growing population.

Ceramic membranes replace polymer in Saudi projects

German ceramic membrane-maker ItN Nanovation AG has received two orders for its flat membrane filters for groundwater projects in Saudi Arabia, replacing previously used polymer membranes.

Perth groundwater replenishment project gets go-ahead

The Western Australia state government announced on 1 August 2013 that it was adopting groundwater replenishment with reused municipal and industrial wastewater to help secure Perth's water supplies.

System for perchlorate in groundwater demonstrated

A demonstration system for the degradation of perchlorate, which minimises production of a secondary waste system such as that from ion‑exchange, has been installed at Aerojet General Corporation's site near Rancho Cordova in California, USA.

Parsons lands SAWS brackish water desalination job

Parsons Corporation is leading a joint venture to serve as the construction manager at risk for the San Antonio groundwater desalination program in Texas, USA.

Alamagordo completes first stage of RO project

The City of Alamagordo in New Mexico, USA, announced on 26 March 2013 that it had completed Phase 1 of its Westside Infrastructure Improvements Project, which will eventually include a 6 MGD (22,700 m³/d) desalination plant.

Swiss water treatment to use PAC/UF combination

Wabag Water Technology has announced two water-treatment contracts in Switzerland based on ultrafiltration (UF) and worth around € 6 million which were won by the company at the end of 2012.

Four workshops to precede AMTA / AWWA conference

There are now four preconference workshops prior to the Membrane Technology Conference & Exposition being held by the American Membrane Technology Association (AMTA) and the American Water Works Association (AWWA) in San Antonio, Texas, at the end of February 2013.

Almogordo mobile desalination project in train

A mobile desalination facility to treat 4,000 acre-ft per year (af/y) (4.9 million m³/y) near Almogordo, New Mexico, moved closer to realisation when the City Commission approved an approach for a US$ 2.7 million loan/grant from the New Mexico Finance Authority on 1 November 2012.

Another TWDB loan for SAWS desalination project

The Texas Water Development Board has given a US$ 50 million loan to the San Antonio Water System (SAWS) towards its first-ever groundwater desalination plant in southern Bexar County.

Brackish desalination studied for Oklahoma aquifer

The Central Oklahoma Water Resources Authority (COWRA) in the USA is currently working with local company Guernsey Engineering and California's Separation Processes Inc to do a feasibility study and pilot project to use brackish water from the Garber Wellington aquifer which underlies 3,000 sq miles (7,700 km²) of central Oklahoma.

Solar still v RO comparison for S Australia desalination

A full solar distillation plant was compared with reverse osmosis (RO) for a small groundwater desalination project in South Australia and RO was chosen as the preferred option.

Massive health grant aids Chino desalters expansion

California's Western Municipal Water District announced on 28 June 2012 that it had received a "monumental" US$ 51 million grant from the state's Department of Health towards the US$ 130 million expansion of the Chino desalination plants.

Land commission looking at Texas desalination

The Texas General Land Commission (GLO) has contracted two consulting firms to investigate the possibility of brackish-water desalination north of New Braunfels.

Western Australia's GWR scheme moves nearer

Western Australia's state government is to spend Aus$ 2.5 million (US$ 2.54 million) in 2012‑13 on preliminary design and investigation works to ensure that the Water Corporation is in a position to implement a groundwater replenishment scheme for Perth, should the trial be successful.

New Monterey desalination plan launched by Cal Am

A 5.4-9.0 MGD (20,440-34,000 m³/d) desalination plant located in North Marina employing slant well intake technology remains at the heart of California American Water (Cal Am)'s latest proposal for supplying the Monterey Peninsula.

Australian study finds way to up value of desalination for farming

Scientists at Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO) have found that the addition of nutrients could make desalinated water more financially attractive to farmers.

NWC report boosts Australian brackish desalination

Brackish groundwater desalination can be considered a viable community water supply option in some areas, says a report just announced by Australia's National Water Commission (NWC).

Another legal blow for Monterey desalination alternative

California American Water's (Cal Am's) progress in developing an alternative desalination project for California's Monterey Peninsula received yet another setback on 2 February 2012, when a judge issued an amended ruling on the environmental impact report (EIR) originally published for the abandoned Regional Desalination Project.

Control contract as GWRS expansion breaks ground

KDC Systems has been awarded a contract to install and/or integrate process control systems for the expansion of the membrane-based Groundwater Replenishment System (GWRS) for Orange County Water District, which broke ground on 17 January 2012.

Financial meetings held over Gaza desalination project

The Union for the Mediterranean (UfM) announced on 18 January 2012 that a delegation headed by deputy secretary general Rafiq Husseini visited Kuwait and Saudi Arabia during the previous week to present the Gaza water desalination project to financing institutions.

Membrane plant to treat Delaware city groundwater

A membrane treatment plant is to be part of the renovation and extension of the existing 6 MGD (22,700 m³/d) water treatment plant in City of Delaware, Ohio, USA, which will start in 2012.

North Port awards groundwater RO contract

The City of North Port in Florida, USA, awarded a US$ 9 million contract on 12 September 2011 for a 1.5 MGD (5,676 m³/d) reverse-osmosis (RO) groundwater treatment plant to Wharton-Smith Inc, also of Florida.

Outfall and intake problems hit OC desalination

The pilot plant for the South Orange Coastal Ocean Desalination Project in California has been forced to close down due to relocation of its outfall pipe due to heavy storms . The project has also run into problems with its intake water.

Perth desalination expansion to start immediately

The premier of Western Australia, Colin Barnett, announced on 1 August 2011 that work would begin immediately to double the capacity of the Southern Seawater Desalination Plant, the second major desalination plant in the Perth region.


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