drinking water lead Articles
-
WQP magazine`s featured article written by company president
The interest in reducing environmental lead exposure in evident with the recent revision by the U.S. Environmental Protection Agency (EPA) for the nation's Air Quality Standards, which were lowered from 1.5 to 0.15 ug of lead per cubiv meter of air. "With these stronger standards, a new generation of Americans is protected from harmful lead emissions, especially children," said EPA Administration ...
-
Computational modelling methods for assessing the risks from lead in drinking water
Computational modelling methods have been used to predict the risks from lead in drinking water across a simulated supply zone, for a range of plumbosolvency conditions and a range of extents of occurrence of houses having a lead pipe, on the basis of five risk benchmarking methods. For the worst case modelled (very high plumbosolvency and 90% houses with a lead pipe) the percentage of houses at ...
-
Contaminated Drinking Water Leads to Activated Carbon Market Growth
According to a recent study by Market Research Future (MRFR), the global water purifier market is surging, and there is no sign that it will soften until at least 2025. Although there are other types of water purifiers, such as UV technology and reverse osmosis, activated carbon filtration remains a significant portion of the market. Here is what you should know. ...
-
Permanet F Detects Leaks in Trévoux - Case study
The city of Trévoux in eastern France has used Hydreka’s PermaNet F to detect leaks in their drinking water network, leading to a 20% decrease in minimum night flow after repairing fewer than half of the detected leaks. 20 PermaNet F with roaming SIM cards, and leak noise sensors with Magpot antenna were installed at key points throughout the network to monitor ...
-
Drinking water: the problem of chlorinous odours
Chlorinous off-flavours in drinking water are a leading cause of complaints to Australian water utilities and other utilities worldwide. The occurrence and causes of chlorinous odours in drinking water were investigated with the use of an odour panel, trained using a modified flavour profile analysis technique. A new system for classifying water types according to the causes of chlorinous ...
-
Dissolved organic Nitrogen: an overlooked pathway of Nitrogen loss from agricultural systems?
Received for publication June 18, 2008. Conventional wisdom postulates that leaching losses of N from agriculture systems are dominated by NO3–. Although the export of dissolved organic nitrogen (DON) into the groundwater has been recognized for more than 100 yr, it is often ignored when total N budgets are constructed. Leaching of DON into stream and drinking water reservoirs leads to ...
-
Heuristic burst detection method using flow and pressure measurements
Pipe bursts in a drinking water distribution system lead to water losses, interruption of supply, and damage to streets and houses due to the uncontrolled water flow. To minimize the negative consequences of pipe bursts, an early detection is necessary. This paper describes a heuristic burst detection method, which continuously compares measured and expected values of water demands and ...
-
Water technology magazine features an article on ITS president
Lead contamination — as well as other metals that could be found in plumbing systems — presents serious risks for members in a household, especially children. Recent studies show that lead can affect children’s developing brains when it enters the body in abundance and displaces zinc and ultimately disrupts brain cell growth. For adults, approximately 80 percent of lead that is ...
-
`Perfect` finishing operation finds perfect solution to combat oily wastewater
The origins of mass finishing can be traced to biblical times and the use of tumbling barrels. Today, vibratory finishing has emerged as one of the most popular finishing methods and manufacturers across a variety of metallic applications rely on leading providers such as Rosemont Industries in Cincinnati, Ohio. For decades, Rosemont has provided high quality metal finishing services at ...
-
Estimation of pathogen concentrations in a drinking water source using hydrodynamic modelling and microbial source tracking
The faecal contamination of drinking water sources can lead to waterborne disease outbreaks. To estimate a potential risk for waterborne infections caused by faecal contamination of drinking water sources, knowledge of the pathogen concentrations in raw water is required. We suggest a novel approach to estimate pathogen concentrations in a drinking water source by using microbial source ...
-
Challenges in addressing variability of lead in domestic plumbing
Current data indicates that lead exposure is of concern even at low concentrations. Corrosion is an important problem in drinking water because it can affect public health due to leaching of lead or other metals into the drinking water. For this reason, a corrosion control program is an important measure to help mitigate exposure to lead in drinking water. The biggest challenge that remains in ...
-
Chloraminated potable water tank - Case study
Topics: Potable, stratification, nitrification, breakpoint chlorinationi chloramine Overview: This reservoir is an enclosed water storage facility for potable chloraminated water, and is the largest reservoir in their system. Surface area is 11.0 surface acres and maximum depth is 30 feet when full; operating volume is 90 million gallons. There are 1000 roof support columns in the reservoir. ...
-
Arizona Removing Obstacles to Wastewater Recycling
Starting in 2018, new rules will allow direct potable reuse of wastewater Existing technology can efficiently treat water to any desired level of purity, but no municipal water system in the United States has yet adopted direct potable reuse, or the use of recycled sewage for drinking water, mostly because popular psychological and political barriers have been difficult to overcome. Even in ...
-
The Importance of Water Testing After Natural Disasters
In the aftermath of a natural disaster, particularly earthquakes, infrastructure could be damaged and a safe source of drinking water is often not available. This may be due to damaged pipes or water supplies becoming contaminated. Our colleagues at Oxfamstate; “In the initial phases of an emergency it should be assumed that all water sources are contaminated microbiologically. After the ...
-
Application of water pollution detector
Background:The (nitrate) link between agriculture and water quality is nutrient abundance - I've always thought the main issue was with fertilizers. Excessive nutrient loss often leads to eutrophication of surface waters. This condition can lead to harmful algal blooms (HAB), which produce dangerous toxins and cause a drop in dissolved oxygen, killing fish in both marine and freshwater ...
-
How Installing Arsenic Drinking Water Treatment Can Save Your Life
Arsenic is an element so associated with its toxicity and harmful effects on the human body that the word itself is often used for any kind of general poison. While the exact ways that exposure to the metalloid attacks various organs and systems is still not fully understood, studies throughout the scientific community are continually determining that ingesting arsenic through drinking water can ...
-
This polluted lake shows why we are all stakeholders when it comes to clean water
When environmental protection gets short shrift, the price we pay can be staggering. When I visited Onondaga Lake in 1999 as part of research I did as a student at Cornell, there was no evidence the lake was once home to vibrant waterfront resorts. Yet, in the late 1800s and early 1900s, Onondaga was considered “the Coney Island of Central New York,” with bustling amusement parks, ...
By Ensia
-
Do aluminium concentrations in drinking water inhibit cultivation of
Escherichia coli? In spite of reliance on Escherichia coli as an indicator of fecal pollution in water resources, including potable water, relatively little is known of its ecology and persistence. It is particularly important to be able to accurately detect E. coli presence and quantity in treated potable water because of potential human health effects from consumption of contaminated water. Presence of even a ...
-
UK experience in the monitoring and control of lead in drinking water
At the zonal scale (e.g. a city or town), random daytime (RDT) sampling succeeded in demonstrating both the need for corrective action and the benefits of optimised orthophosphate dosing for plumbosolvency control, despite initial concerns about sampling reproducibility. Stagnation sampling techniques were found to be less successful. Optimised treatment measures to minimise lead in drinking ...
-
Extensive Aquifer Discovered Under Atlantic Seabed
The deposit, which contains brackish water, could be a source of easily desalinated drinking water The Atlantic Ocean is not the first place one would think of looking for fresh water, but that is exactly where Columbia University Lamont-Doherty Earth Observatory researchers have found it — and not just a little bit. The newly discovered aquifer is embedded in porous sediments beneath a ...
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you