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Optical water quality assessment

Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon. The study was designed to assess the amount, type and source of dissolved organic carbon that exists in all sources of drinking water. Dissolved organic carbon can react with chlorine during water treatment and form ...

Dec. 13, 2010

By Soil Science Society of America (SSSA)

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The Effect of Wind Stress Anomalies and Location in Driving Pacific Subtropical Cells and Tropical Climate

The importance of subtropical and extratropical zonal wind stress anomalies on Pacific Subtropical Cells (STCs) strength is assessed through several idealized and realistic numerical experiments with a global ocean model. Different zonal wind stress anomalies are employed, and their intensity is strengthened or weakened with respect to the climatological value throughout a suite of simulations. ...

Nov. 27, 2018

By American Meteorological Society

New scheme for assessing water licence compliance in Scotland

Industry and other water users in Scotland who abstract, impound or discharge to the water environment are being given the opportunity to comment on a new scheme to assess compliance with environmental licence conditions. The Scottish Environment Protection Agency (SEPA) is looking to streamline its method for assessing compliance and is urging operators of fish farms, hydropower schemes, public ...

Jul. 8, 2008

By Scottish Environment Protection Agency (SEPA)

Sediment pollution should be included in water quality assessments

The quality of surface water is best assessed using the status of both the water and underlying sediment. A recent study concluded that water bodies risk being misclassified if sediment assessment is not included, which can lead to unnecessary recovery costs. Under the Water Framework Directive1 (WFD), Member States are required to achieve at least 'good water status' for surface water (inland, ...

Nov. 26, 2009

By Science for Environment Policy - European Commission DG Environment News Alert Service

Safe drinking water needs assessed, says EPA

A recent drinking water needs survey will help EPA determine the distribution formula for Drinking Water State Revolving Fund (DWSRF) grants for the fiscal years 2010 through 2013 budgets. The assessment documents anticipated costs for repairs and replacement of transmission and distribution pipes, storage and treatment equipment, and projects that are necessary to deliver safe supplies of ...

Mar. 26, 2009

By US EPA - Environmental Protection Agency

New tiered-approach to assessing hazardous substance levels in water

Debate exists as to whether environmental concentrations of the hazardous substance hexachlorobenzene (HCB) should be measured in water or in wildlife when assessing compliance with environmental quality standards (EQS). New research has proposed a method to calculate concentrations in water that best represent critical levels in wildlife, and a tiered approach to compliance assessment that ...

Jul. 31, 2013

By European Commission, Environment DG

India water quality assessment authority now constituted by law

Water Quality Assessment Authority (WQAA) has been constituted with the mandate for protection of surface and groundwater quality under Environment Protection Act 1986. It is conferred with the powers for issuing directions and taking measures. Its main functions are: to standardise methods for water quality monitoring and to ensure quality and data generation; to take measures to ensure proper ...

Nov. 5, 2008

By Press Information Bureau Government of India

New tool assesses the effects of global change on water resources

Water resource management needs to adapt to changes in climate, water demand and land use. A new tool has been developed by the LIFE+ Water Change Project to assess these ‘global change’ impacts on water resources and inform decisions on optimal adaptation strategies. A recent study has applied the tool to a river basin in Spain. The quality and quantity of water is strongly affected ...

Sep. 30, 2013

By European Commission, Environment DG

New Alliance of global corporations to assess world water risks to business

Recent water-related events - from extreme droughts across the southwestern United States to flooding in central China - provide vivid examples of the potential impacts of water on people, businesses, and local infrastructure. To assess and respond to increasing water risk globally, the World Resources Institute (WRI) is launching the ...

Aug. 15, 2011

By GLOBE SERIES

New mapping tool provides unprecedented ability to assess water risk

Aqueduct provides companies with comprehensive, high-resolution picture of water risks worldwide. The World Resources Institute (WRI) today launched a new online tool that maps water risk worldwide based on the most current, highest resolution data available. Companies, investors, and governments can use the ...

Jan. 29, 2013

By World Resources Institute WRI

NWRI releases two reports on assessing recycled water criteria for state of California

The National Water Research Institute (NWRI) has released two reports that evaluate different aspects of recycled water criteria for the State of California. One report provides conclusions as to whether recycled water used to irrigate food crops in California is sufficiently protective of public health, while the second report evaluates the suitability of a potential analytical technique to ...

Aug. 18, 2013

By National Water Research Institute

Ecolab and Trucost Expand Water Risk Monetizer to Include Revenue at Risk Assessment

The Water Risk Monetizer, industry’s first publicly available financial modeling tool that enables businesses to factor current and future water risks into decision making, now provides users with insights into how water scarcity impacts ...

Aug. 24, 2015

By Trucost Plc

Risk Assessment for Human Health & Controlled Waters using RBCA and HERA-Soil

GSI Environmental Inc., in collaboration with Royal Haskoning is pleased to offer an intensive two-day course (December 9th and 10th 2008) focusing on the application of RBCA Tool Kit V2 within UK regulatory context for both human health and groundwater risk assessment. This course is designed for environmental consultants and regulatory authorities who require a robust risk modeling tool for ...

Oct. 19, 2008

By Royal HaskoningDHV

New Oregon streamflow assessment tool aids clean water act compliance

The challenging task of determining if a particular stream is protected under federal and state fill and disposal regulations just became a little easier. The new Streamflow Duration Assessment Method for Oregon will help natural resource professionals, consultants and regulators identify whether a fill or removal project with potential stream impacts must obtain permits. Section 404 of the ...

Nov. 30, 2011

By US EPA - Environmental Protection Agency

Abstracts due 24 June for IAIA Special Symposium on water and impact assessment

The International Association for Impact Assessment (IAIA) is organizing a special symposium on water and impact assessment, 31 August to 2 September 2016 in Lincoln, UK. Paper and poster abstracts are due 24 June 2016. Water is the most important resource on this planet, and a significant proportion of global investment and infrastructure is concerned with ensuring its supply, ...

Jun. 20, 2016

By International Association for Impact Assessment (IAIA)

Environmental assessment of industrial clusters

Critically polluted industrial areas are not just an environmental challenge, but they are a public health challenges. 85% of big industrial clusters in India are health hazards as air, water and land pollution levels are not fit for human habitants. The Central Pollution Control Board (CPCB) released a study Criteria for Comprehensive Environmental Assessment of Industrial Clusters ranking the ...

Dec. 28, 2009

By Press Information Bureau Government of India

Assessing the ecotoxicological risks of nanoparticles

A new study highlights the need for more research aimed at understanding the effects of nanoparticles on the environment. Efforts should focus on developing more sensitive analytical methods for characterising and detecting nanoparticles, say the researchers. The study discusses engineered nanoparticles (ENPs), a diverse class of nanoscale particles that do not occur in nature, including ...

Apr. 21, 2009

By European Commission, Environment DG

Assessing the effectiveness of marine reserves

Marine Protected Areas (MPAs) are intended to conserve marine habitats and fish populations and many prohibit fishing inside their borders. However, according to a recent study, local fishing activity can become concentrated around the edges of MPAs, which can have a significant impact on their effectiveness as fishery management tools. MPAs are designed to protect population and breeding centres ...

Jan. 22, 2009

By European Commission, Environment DG

USGS Assessment of Brackish Water Could Help Nation Stretch Limited Freshwater Supplies

A new nationwide assessment by the U.S. Geological Survey suggests that the nation’s brackish groundwater could help stretch limited freshwater supplies. This study, the first of its kind in more than 50 years, found that the amount of brackish groundwater underlying the country is more than 800 times the amount currently used each year. With issues like drought, groundwater ...

Apr. 4, 2017

By U.S. Geological Survey (USGS)

California American Water Improves System Reliability through Valve Assessment Pilot Program

Initiative will Help Reduce Water Losses in Water Distribution System PACIFIC GROVE, Calif. - During the month of October, California American Water will embark on a preventative maintenance program to restore and exercise approximately 500 valves in its water distribution system. Valves attached to underground mains allow service crews to stop flow through parts of the system ...

Oct. 4, 2010

By American Water

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