California, Ultraviolet, Groundwater, Energy, Reverse Osmosis, Disinfection


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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.

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 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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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).

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.

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

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.

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.

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.

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.

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.

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.

The Edward C Little Water Recycling Facility

US districts fight saline intrusion with reused water

Two California water districts announced an agreement on 18 April 2009 to transfer and use recycled wastewater as a barrier against saline intrusion into groundwater, replacing 5.5 billion gallons (20.8 million m³) of drinking water per year previously used for this purpose.

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.

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.

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.

Monterey consultant can't choose between projects

The Monterey Peninsula Regional Water Board (MPRWA) in California still has to decide between three competing seawater desalination projects for the area after its Technical Advisory Committee accepted on 17 September 2012 a report by consultants Separation Processes Inc of Carlsbad.

Clockwise from top left: Stan Williams, Jonathan Loveland and Chris Costello.

Poseidon signs two VPs and construction director

Three experienced US water industry personnel have joined Poseidon Resources, following the departure of Nikolay Voutchkov earlier this year, the company announced on 20 July 2009.

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.

IDA World Congress in California

A pivotal event in the global desalination and water reuse sector will be held at the US industry's epicentre amid an historic drought when the 2015 IDA World Congress on Desalination and Water Reuse convenes in San Diego, California at the end of August 2015. The "location, theme and timing could not be more appropriate," said IDA secretary general, Patricia A Burke.

San Diego IPR demo open to public tours

The public can now tour the City of San Diego's Water Purification Demonstration Project, which is evaluating the feasibility of using advanced treatment technology to produce water that can be sent to San Vicente Reservoir and later distributed as potable water.

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.

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.

Cambria desalination will bring environmental benefit

The US Army Corps of Engineers announced on 28 April 2009 that it will receive US$ 2.5 million in funding through the new American Recovery & Reinvestment Act to develop the Cambria desalination project north-west of San Luis Obispo in California.

Q&A: AMTA president Brent Alspach on why the need for membranes has never been more acute

In the week of the AMTA/AWWA Membrane Technology Conference 2018, in Florida, US, Brent Alspach, president of AMTA and director of applied research at Arcadis, outlines the water challenges and how current and in-development membrane-based treatments are addressing them.

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.

Biwater picks up two desalination deals in California

Water project company, Biwater, is soon to begin work on contracts for the design, supply and supervision of installation of reverse osmosis (RO) equipment of two desalination expansion projects in California.

The Encina power station (bottom left) with the site for the Carlsbad desalination plant ringed.

Desalination affected by California powerplant ruling

The powerplant with which California's new 189,000 m³/d Carlsbad seawater reverse-osmosis (SWRO) plant is co-located has been ordered to cease once-through cooling by 2017. The Huntington beach powerplant, site of another proposed desalination plant, has been given until 2020.

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.

Two direct potable reuse projects are currently in operation worldwide, in Texas, US, and Windhoek, Namibia

The Long Read: Do we have the technology for potable water reuse?

Water reuse for drinking purposes is racing up the agenda in the US and elsewhere. Work to draw up new rules for potable reuse is advancing in states including California and Arizona, as well as in Canada and the European Union. Technologies are being piloted, and plants permitted.

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).

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.

Santa Cruz desalination EIR comment deadline in July

The draft environmental impact report (EIR) for the 2.5 MGD (9,500 m³/d) seawater desalination plant for the greater Santa Cruz area in California, USA, which was released on 13 May 2013, will be available for public comment until 15 July 2013.

West Basin desalination demo could begin next year

Construction could begin in 2010 on the Ocean-Water Desalination Demonstration Project at Redondo Beach near Los Angeles, California, the West Basin Municipal Water District announced on 30 July 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.

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.

Egyptian SWRO plant to use ERI pressure exchangers

Egypt's largest desalination plant being built at Marsa Matrouh is to be supplied with Pressure Exchanger (PX) energy-recovery devices by Energy Recovery Inc of California.

New US Navy RO units 'will use 65% less energy'

The United States Office of Naval Research (ONR) is planning to build prototype desalination units that will use 65% less energy and be 40% smaller by weight than current Navy reverse-osmosis (RO) units, an ONR release on 23 September 2009 predicted.

Combined cooling and desalination "limits environment impact"

Studies by a company proposing to construct a groundbreaking combination of desalination plant and data centre have shown the facility will cause only limited negative impact to the environment according to the researchers.

Sweetwater starts US$ 42 million desalination upgrade

Sweetwater Authority has begun its US$ 42 million expansion of the Richard Reynolds Groundwater Desalination facility in Chula Vista.

LACSD signs up Desalitech for chloride‑removal test

Desalination system developer Desalitech is to support a pilot project with the Los Angeles County Sanitation Districts (LACSD) to upgrade two Santa Clarita Valley wastewater treatment plants in order to meet state‑mandated chloride limits, the company announced on 2 October 2013.

San Diego wastewater reuse demonstration to continue

San Diego City Council voted on 7 July 2009 to continue a $12 million wastewater indirect potable reuse demonstration project which would take purified sewage water from the North City Water Reclamation Plant and pump it into the San Vincente Reservoir to augment drinking water supplies.

ERI to provide pressure-exchangers for Carlsbad SWRO

IDE Technologies has selected pressure-exchangers from Energy Recovery Inc (ERI) for the 189,000 m³/d Carlsbad seawater desalination plant in California, USA.

Arlington Desalter

Desalination plant's nitrate removal has hidden benefits

A water district in California has found a novel way to remove multiple contaminants from groundwater currently feeding a desalination plant without creating waste that requires costly treatment and disposal.

Commission approves California American Water test slant well

The California Coastal Commission has approved the application by water utility, California American Water, (Cal Am) to construct a test slant well for its proposed 48 Ml/d seawater reverse osmosis desalination project.

Marin MWD wins but desalination EIR challenge looms

Marin Municipal Water District (MMWD) won a ruling in March 2011 by a Marin superior court judge which keeps its option of a seawater desalination plant on track.

Cal Am strikes deal on test well

Utility, California American Water (Cal Am), has struck a deal with cement maker, Cemex, to allow the water firm to drill slant test wells, and possibly production wells, on Cemex' north Marina sand mining plant site.

TWO process to recover sodium sulphate from ion-exchange

California-based Catalyx Inc has signed a build-own-operate contract with RG Global Lifestyles Inc, which owns Catalyx Fluid Systems (CFS), for a brine dehydration system to facilitate recovery of sodium sulfate from ion-exchange regenerant brine.

Forward-osmosis patent filed by QuantumSphere

Another forward-osmosis process has taken a step forward. QuantumSphere Inc filed for a US patent on 14 January 2009 for its water purification process, which, it claims, serves as a more energy-efficient alternative to desalination methods now commonly used.

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.

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.

US$ 8 million contracts boost for H2O Innovation

Quebec-based H2O Innovation Inc announced new contracts for desalination and water treatment systems totaling Can$ 7.8 million (US$ 8 million) on 24 March 2011.

Orange County loses widely respected lab director

Orange County Water District (OCWD) in California announced on 21 March 2011 that Steve Fitzsimmons, director of its Advance Water Quality Assurance Laboratory, who had been a key figure in water quality testing for Water Factory 21 and gaining credibility for the Groundwater Replenishment System, died on 3 March 2011.

Pacific Institute reports on desalination energy use

The Pacific Institute has published the next instalment of its series on Key Issues For Seawater Desalination in California, this time looking at energy requirements and associated greenhouse gas emissions for desalinated water.

Escondido moves towards indirect potable reuse

The City of Escondido in southern California, USA, could be about to follow neighbour San Diego in setting up an indirect potable water-reuse (IPR) scheme as part of a wastewater facility upgrade costing about US$ 200 million.

Puretec acquires Layne Christensen's DI assets

California-based Puretec Industrial Water announced at the end of March 2013 that it had acquired the assets of Layne Christensen's Arizona-based deionization water purification and water system maintenance services as from 1 April 2013.

Agreement over failed Monterey desalination plan

Agreement was reached on 4 December 2012 on legal and monetary issues resulting from the failed Monterey Regional Desalination Project, which was abandoned earlier this year.

The facility site at SEA Lab

West Basin district dedicates desalination demo facility

California's West Basin Municipal Water District is nearing completion of its new desalination demonstration facility, following formal dedication of the plant on 12 November 2010.

IDA finalises Huntington Beach desalination energy conference topics

The International Desalination Association (IDA) has finalised the speakers and topics for its new-style conference Desalination: An Energy Solution, which is being held on 2-3 November 2010 in Huntington Beach, California, the city likely to host the USA's next large desalination plant after Carlsbad.

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.

Australian SWRO firm signs MoU for Saudi pilot

Australian desalination start-up Water Resources Group (WRG) announced on 4 December 2012 that its subsidiary Water Resources International (WRI) had signed a memorandum of understanding with Knowledge Industry Company (KIC) of Saudi Arabia.

California city ponders desalination revival

California's city of Morro Bay is poised to apply to the state Coastal Commission to operate continually its currently idle reverse osmosis desalination plant. The city let its operating permit expire in 2000, and the plant - built in 1992 - has not operated since then except for occasional emergency use.

West Basin demonstrating desalination intake and outfall technologies

One of the first seawater desalination demonstration facilities to employ ocean-protection technology at the source of intake and discharge has begun construction in Southern California, USA.

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.

Treatment chemicals annual demand rise to top 3%

Demand for water treatment chemicals in the US will rise 3.2% a year to US$ 7.3 billion by 2019, according to a report by market researcher, ReportLinker.

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.

Land-purchase brings Consolidated's Mexican SWRO nearer

The planned Rosarito seawater desalination project in Mexico close to the US border took a step nearer on 22 May 2014 when Consolidated Water Co Ltd announced that it had completed the land purchase for the project.

Bill to update US Desalination Act introduced

A bill to fund US government research and development projects into desalination was introduced into the US House of Representatives on 27 July 2011 by California Democrat representative Grace F Napolitano.

More federal money sought for Chino Desalters

Western Municipal Water District (WMWD) in California, USA, is to seek additional federal money later this financial year for the Chino Desalters Phase 3 expansion.

Nine projects get Reclamation feasibility funding

The Camp Pendleton desalination project in California is one of nine advanced water treatment and reuse projects in three US states selected for feasibility-study funding by the Bureau of Reclamation.

Reclamation grant for Sweetwater desalination expansion

The US Bureau of Reclamation is to provide the Sweetwater Authority in California with a US$ 1.5 million grant towards the expansion of the Richard A Reynolds desalination plant.

Desalitech bags water treatment deal for five power plants

Desalitech has won a contract with Southern California Edison (SCE) to supply five of its ReFlex water treatment systems for installation at SCE's peak power generating stations in California.

Carollo to evaluate restarting Santa Barbara desalination

The City of Santa Barbara, California, has selected Carollo Engineers to complete a three-phase evaluation for the reactivation of the city's Charles Meyer seawater desalination plant.

LG sees NanoH2O takeover as "new growth engine"

LG Chem, part of Korea's LG electronics group, is proposing a takeover of desalination membrane maker NanoH2O for US$ 200 million, according to a filing made to the Korea Exchange on 14 March 2014.

H2O Innovation wins Monterey SWRO subcontract

H2O Innovation Inc has been awarded the contract to design, supply and commission the seawater reverse osmosis (SWRO) desalination system for the Monterey Peninsula Water Supply Project in California, USA.

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.

Cal Am applies for US$ 3 million desalination intake grant

California American Water (Cal Am) is seeking a US$ 1 million grant from the California Department of Water Resources to help fund the installation of a US$ 3 million slant test well, which is needed for its proposed Monterey desalination project.

Carlsbad SWRO first year milestones revealed

Following the early January celebration of the first year of construction of the Carlsbad seawater reverse osmosis (RO) desalination plant in California, developer Poseidon Resources provided D&WR with a breakdown of the work so far.

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.

NanoH2O appoints Markovich as CFO

California-based desalination membrane manufacturer NanoH2O Inc announced on 12 January 2011 the appointment of semiconductor and cleantech veteran John Markovich as chief financial officer.

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.

Appeals launched against Huntington Beach desalination plant

A public hearing by the California Coastal Commission is the likely result of appeals launched against the Huntington Beach Desalination plant, approved by the State Lands Commission on 29 October 2010.

Santa Cruz council approves desalination study

The council of the City of Santa Cruz, California, authorized the city manager on 14 September 2010 to execute an agreement with Camp Dresser & McKee worth US$ 4,134,464 for preparation of plans and specifications for the city's proposed seawater reverse-osmosis desalination plant.

CDM to build US$ 86 million Monterey desalination plant

California American Water (Cal Am) has selected CDM Constructors Inc to design and build the desalination facility proposed as part of its US$ 320 million Monterey Peninsula Water Supply Project.

Pressure-exchanger court case goes to Hauge

The latest round of the "pressure-exchanger wars" between inventor Leif J Hauge, his company Isobarix Inc and energy-recovery equipment manufacturer Energy Recovery Inc (ERI) has gone in favour of Hauge.

IDE buys Flowserve pumps for Carlsbad desalination

IDE Technologies has purchased three large vertical seawater intake pumps from Flowserve Corporation for the Carlsbad seawater reverse osmosis (SWRO) desalination plant in Carlsbad, California.


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