Potable Water–Quality Goals

Bean, Elwood L.

doi:10.1002/j.1551-8833.1974.tb02011.x

Cited by 20 publications

(14 citation statements)

References 32 publications

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“…Oxidation of manganese ions in solution results in precipitation of manganese oxides and incrustation problems. Even at concentrations of approximately 0.02 mg/L, manganese may form coatings on water distribution pipes that may slough off as black precipitates [65]. The growth of certain nuisance organisms is also supported by manganese [64,66].…”

Section: Resultsmentioning

confidence: 99%

Heavy Metal Pollution in Mithi River of Mumbai

Singare¹,

Mishra²,

Trivedi³

2012

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The present study highlight the toxicity levels of different heavy metals in aquatic environment of one of the most polluted river of Mumbai-the Mithi River. Although the river has attracted tremendous attention after 26/7 flood in Mumbai, the pollution level of the river has remained neglected issue. The present study was performed for two assessment years 2009-10 and 2010-11 at three different sampling stations namely Airport, CST Kalina and BKC Taximen's Colony along the flow of Mithi River. The results of present investigation indicates that the concentration levels of most of the heavy metals like Al, As, Cd, Cr, Hg, Ni, Pb, Sr and Mn obtained during the assessment year 2010-11 was higher than that obtained during 2009-10 by the factor of 1.4 to 5.7 µg/L. The environmental impact of these toxic heavy metals is discussed. The results point out the need of rational planning of pollution control strategies, so as to keep check on release of toxic heavy metals in the river. It is expected that the present study will be useful for rational planning of pollution control strategies and their prioritisation; to evaluate effectiveness of pollution control measures already is existence and to assess the nature and extent of pollution control needed.

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Section: Resultsmentioning

confidence: 99%

Heavy Metal Pollution in Mithi River of Mumbai

Singare¹,

Mishra²,

Trivedi³

2012

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“…Oxidation of manganese ions in solution results in precipitation of manganese oxides and incrustation problems. Even at concentrations of approximately 0.02 mg/L, manganese may form coatings on water distribution pipes that may slough off as black precipitates [70]. The growth of certain nuisance organisms is also supported by manganese [69,71].…”

Section: +mentioning

confidence: 99%

Sediment Heavy Metal Contaminants in Vasai Creek Of Mumbai: Pollution Impacts

Singare¹,

Trivedi²

2012

CHEMISTRY

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In the present investigation, quantification study of different toxic heavy metals in the sediment samples of Vasai Creek of Mumbai was performed using Atomic Absorption Spectroscopy technique. The study is of importance because such assessment of heavy metals in sediments helps to understand long term pollution load in aquatic environment. Such study will also help to provide a means for evaluating the long term accumulation of heavy metal contaminants. The results of the study indicates that the concentration level of most of the toxic heavy metals like Al, As, Cd, Cr, Hg, Ni, Pb, Sr and Mn for the assessment year 2010-11 were higher than that obtained for the year 2009-10 by the factor of 1.0 to 2.5 µg/g. It is expected that results of present investigation will help in rational planning of pollution control strategies so as to reduce the toxicity impact on marine life of Vasai Creek.

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“…Oxidation of manganese ions in solution results in precipitation of manganese oxides and incrustation problems. Even at concentrations of approximately 0.02 mg/L, manganese may form coatings on water distribution pipes that may slough off as black precipitates [72]. The growth of certain nuisance organisms is also supported by manganese [71,73].…”

Section: Resultsmentioning

confidence: 99%

Sediment Contamination Due to Toxic Heavy Metals in Mithi River of Mumbai

Singare¹,

Mishra²,

Trivedi³

2012

AAC

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The present study deals with quantification of accumulated toxic heavy metals in sediments of Mithi River of Mumbai. The study was performed at three different sampling locations along the flow of Mithi River for two years from 2009-12. The different heavy metals studied were Al, As, Cd, Cr, Hg, Ni, Pb, Sr and Mn. The results of our study indicate that the concentration level of these toxic heavy metals for the two assessment years increases by the factor of 1.2-5.8 µg/g. The result is a clear indication of day by day increasing pollution level of the Mithi River, which is creating negative environmental impact on biological life of the river. The results emphasises the need of regular scientific monitoring of different pollutants adversely affecting the environment and to reframe the pollution control strategies already in existence.

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Potable Water–Quality Goals

Abstract: ERA has proposed new standards for water quality. These are different from the present USPHS standards and from AWWA goals. This article presents the figures and gives reasons why these standards were chosen.

Cited by 20 publications

References 32 publications

Heavy Metal Pollution in Mithi River of Mumbai

Heavy Metal Pollution in Mithi River of Mumbai

Sediment Heavy Metal Contaminants in Vasai Creek Of Mumbai: Pollution Impacts

Sediment Contamination Due to Toxic Heavy Metals in Mithi River of Mumbai

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