Accumulation of Arsenic in Drinking Water Distribution Systems

Lytle, Darren A.; Sorg, Thomas J.; Frietch, Christy

doi:10.1021/es049850v

Cited by 108 publications

(64 citation statements)

References 24 publications

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“…Solids and sediments were selected from a collection of arsenic-containing fire hydrant flushed solids and pipe materials and stored at the U.S. EPA's AWBERC Research Center in Cincinnati, Ohio (Lytle et al, 2004). Solids having the greatest quantity and highest arsenic concentrations (μg As/g solid) were selected for this study.…”

Section: Solid Selection and Preparationmentioning

confidence: 99%

“…The elemental composition of all solids examined in this study was previously determined (Lytle et al, 2004). Table 3 summarizes the composition of major and trace elements (in μg/g solid digested or parts per million, ppm) in the drinking water distribution system solids used in this study.…”

Section: Elemental Composition Of Test Solidsmentioning

confidence: 99%

“…1.1 Arsenic in drinking water distribution system solids Lytle et al (2004) reported the elemental composition of sixty-seven DWDS solids collected from utilities that had measurable levels of arsenic in their water from locations throughout the Midwest. They found that the arsenic content ranged from 10 to 13,650 μg As/g solid (average concentration of 867 μg As/g).…”

Section: Introductionmentioning

confidence: 99%

“…

Previous work has shown that arsenic can accumulate in drinking water distribution system (DWDS) solids (Lytle et al, 2004) when arsenic is present in the water. The release of arsenic back into the water through particulate transport and/or chemical release (e.g.

…”

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confidence: 99%

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Desorption of arsenic from drinking water distribution system solids

Copeland

Lytle

Dionysious

2006

Environ Monit Assess

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Previous work has shown that arsenic can accumulate in drinking water distribution system (DWDS) solids (Lytle et al., 2004) when arsenic is present in the water. The release of arsenic back into the water through particulate transport and/or chemical release (e.g. desorption, dissolution) could result in elevated arsenic levels at the consumers' tap. The primary objective of this work was to examine the impact of pH and orthophosphate on the chemical release (i.e. desorption) of arsenic from nine DWDS solids collected from utilities located in the Midwest. Arsenic release comparisons were based on the examination of arsenic and other water quality parameters in leach water after contact with the solids over the course of 168~hours. Results showed that arsenic was released from solids and suggested that arsenic release was a result of desorption rather than dissolution. Arsenic release generally increased with increasing initial arsenic concentration in the solid and increasing pH levels (in the test range of 7 to 9). Finally, orthophosphate (3 and 5 mg PO(4)/L) increased arsenic release at all pH values examined. Based on the study results, utilities with measurable levels of arsenic present in their water should be aware that some water quality changes can cause arsenic release in the DWDS potentially resulting in elevated levels at the consumer's tap.

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Section: Solid Selection and Preparationmentioning

confidence: 99%

Section: Elemental Composition Of Test Solidsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…

…”

mentioning

confidence: 99%

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Desorption of arsenic from drinking water distribution system solids

Copeland

Lytle

Dionysious

2006

Environ Monit Assess

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“…Dissolved metals water samples were filtered A previous study of various parts of the US [18] in 2004…”

Section: The Electrolytic Plant Of the Judge Mining And Smeltingmentioning

confidence: 99%

Study of Arsenic Content in Mine Groundwater Commonly Used for Human Consumption in Utah

Pawlak

Rauckyte

Żak

et al. 2008

Environmental Technology

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Of the various sources of arsenic released in to the environment, the presence of arsenic in water probably poses the greatest threat to human health. Arsenic is released in to the environment through water by dissolution of minerals and ores. Natural release is slow, but in some areas the concentration of arsenic in groundwater (commonly referred to as Acid Mine Drainage (or AMD)) is accelerated by mining activity. In fact the presence of arsenic may last a long time even after the mining activity has ceased. Hence it is imperative to study the quality of water (especially for those areas in the vicinity of mines) used for different purposes to identify an appropriate remediation technique for effective pollution control. In this paper, contents of arsenic and other metals in the water were quantified from three different sources: (1) groundwater from the mining tunnel (Judge tunnel), (2) drinking water, and (3) water used in the hydrant-flushed distribution system (Park City) in Utah (USA). The results showed the content of arsenic from the mining tunnel, after chlorination, and in tap water were below 10 microgl(-1). However, significant amounts of arsenic, lead, zinc, iron, manganese and antimony have been found in water samples taken from the distribution systems. In the consideration of the further use of mine groundwater for drinking purposes and the distribution system, Park City should regularly be maintained by a flushing program in the distribution system.

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Drinking Water and Human Health Challenges in the Twenty‐First Century

Makris

2019

Encyclopedia of Water

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Environmental Burden of Disease: Water and HealthSetting the scene--Horizontal challenges and pressures on water cycle and public health implications Current and emerging water and health scenaria in urban settings Seasonal Effects and Climate Change Considerations Synthesis FOCUS: The focus of this chapter is on drinking-water pressures of current and emerging nature that exert adverse health effects on humanity.

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Accumulation of Arsenic in Drinking Water Distribution Systems

Cited by 108 publications

References 24 publications

Desorption of arsenic from drinking water distribution system solids

Desorption of arsenic from drinking water distribution system solids

Study of Arsenic Content in Mine Groundwater Commonly Used for Human Consumption in Utah

Drinking Water and Human Health Challenges in the Twenty‐First Century

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