well water supply Articles
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Estimating Future Impacts of Groundwater Contamination on Water Supply Wells
In the following sections, we provide discussion and information to supplement the Feature Article. This material could not be included in the article itself due to space limitations of the printed ...
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Heavy metal levels in tap water in Batina Region, Oman
Most household in Batina depend on private wells for their fresh water supplies. The quality of such water is not regulated or tested by authorities and, therefore, consumers' health might be at risk if water is contaminated. We assessed the contribution of some heavy metals to water pollution. Water samples from 364 houses were collected and analysed for levels of lead, chromium, nickel and ...
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Microbial contamination and environmental factors of drinking water source for households with children under five years old in two South China ethnic groups
The article aimed to find the causes of microbial contamination of drinking water source, by exploring the influencing factors of water on the incidence of diarrhea in children. Random stratified-cluster sampling was used to study Li and Han communities of rural Lingshui County with regard to water quality and environmental sanitation. Water samples were evaluated for microbial contamination ...
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Will Sarni: Is water facing its cyberpunk moment?
Heading up Water Foundry, Will Sarni advises multinationals, investors and technology companies on water strategy. Here he speaks about the inevitability of digital innovation and seeing water scarcity as an opportunity. “Innovation is lumpy” Sporting arguably one of the most impressive beards among global water professionals, Will Sarni is a natural optimist when it comes to ...
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Microbiological assessment of private drinking water supplies in Co. Cork, Ireland
The microbiological quality of 75 private drinking water supply boreholes in Co. Cork, Ireland was assessed in order to determine the incidence of contamination and the potential pathways of such contamination. Microbiological analysis was carried out using the membrane filtration technique for the recovery of thermotolerant (faecal) coliforms. The sanitary protection of the supplies was ...
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How does our nitrate removal system differ from reverse osmosis (RO) systems?
Reverse osmosis (RO) systems are the workhorse of the drinking water purification market. They are extremely effective in separating water impurities above a certain size (molecules or particles slightly large than a water molecule are filtered or removed). So, does RO eliminate or reduce nitrate? The answer is no. Some RO membranes will remove the nitrate molecule from the incoming water and ...
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Drought Diminishes Not Just Water Quantity, but Quality
As arid conditions become more common, customized water treatment systems will be needed Droughts that have plagued much of the world in recent years have also taken a toll on the quality of available water. Many water systems already have been tested by drought, but experts say exponentially more systems will soon need to prepare for the challenge. Degradation of water quality is caused by a ...
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Quantitative analysis of microbial contamination in private drinking water supply systems
Over one million households rely on private water supplies (e.g. well, spring, cistern) in the Commonwealth of Virginia, USA. The present study tested 538 private wells and springs in 20 Virginia counties for total coliforms (TCs) and Escherichia coli along with a suite of chemical contaminants. A logistic regression analysis was used to investigate potential correlations between TC ...
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A comparative assessment of institutional frameworks for managing drinking water quality
The global burden of disease attributable to contaminated drinking water calls for effective strategies for ensuring drinking water quality. To characterize institutional and policy approaches towards water quality management, we compared national and sub-national institutional frameworks for drinking water provision and management in nine developing countries, focusing on roles, responsibilities ...
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Active sediment cap included in clean-up strategy at high-profile superfund site case study
Project: BROS Superfund Site Location: LOgan TOWTtsNp. NJ Products: Organoclay Reactive Core Mat BACKGROUND: Historical operations at the BROS Super-fund Site included waste oil storage, processing and disposal. The waste oil operations in addition to a major earthen dike breach in the 1970's resulted in extensive damage to plant life and significantly impacted approximately three acres of the ...
By CETCO
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Zero liquid discharge (ZLD)
Zero liquid discharge (ZLD) is desirable to industry as well as the environment because it saves money, reduces liability and generates good will with customers and neighbors. ZLD facilities take strides to reduce the amount of water used in their manufacturing process, sometimes they use advanced wastewater treatment equipment to recycle a portion of their wastewater, and finally they use a ...
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Answers to questions about oil waste in California aquifers
California, the country's third-largest oil-producing state, has improperly given oil companies more than 2,500 permits to inject production fluids and oilfield waste into underground water supplies that are used for drinking water or irrigation, state records show. Nearly half of those disposal wells were approved or first started injections in the last four years under Gov. Jerry Brown, an ...
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What you should do if brown water comes out of the pipe?
Especially in older properties, ungalvanized or galvanized iron pipes are often still installed in the water system. They tend to corrode. So the water flowing through them carries the rust with it. Whether you need hot or cold water - the number of rust particles is higher than average and a brownish liquid flows out of your faucet. However, the problem does not lie with your water supplier or ...
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A Trace of Arsenic
The cans of baby formula invaded Brian Jackson’s Dartmouth College lab late in 2010. His team picked up an armful of popular brands at the food co-op in Hanover, N.H. Then another armload. Eventually Jackson had a cabinet full of the brightly labeled canisters. Today, he still keeps a few in his office. Not as clutter — that’s not his style. He just likes to keep his toxicology ...
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