Trace element distribution and risk assessment in South Indian surface waterways

K. S. Guruge, P. Goswami, I. Watanabe, S. Abeykoon, V. P. Prabhasankar, K. R. Binu, D. I. Joshua, K. Balakrishna, M. Akiba, N. Munuswamy

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The concentrations of 27 major and trace elements are determined in surface water samples collected from 48 sites of diverse waterways in four states (Tamil Nadu, Kerala, Karnataka, and Telangana) of South India. The aims of this study are to identify the element distribution, comparatively assess the pollution risk, and evaluate human health risks related to diverse waterways in the study area. The results indicate that elements such as Cr, Se, As, Fe, and Mn are the major pollutants, as their concentrations exceeded the acceptable national and international water quality standards in several sites of Ennore, Adyar, Cooum, Periyar, and Vrishabhavathi rivers. Furthermore, statistical analysis reveals that the Ennore, Adyar, Cooum, Periyar, and Kaveri river basins are affected by various anthropogenic activities, leading to moderate-to-high pollution by As, Cr, Mn, Fe, and Se. Potential pollution sources are industrial waste, sewage intrusion, paint industry waste, and automobile runoff. Overall, the investigated sites are categorized into three major groups: highly, moderately, and least polluted. Risk on human health by metals is then evaluated using hazard quotients (HQs) and carcinogenic risk evaluation; the results indicated that As with HQ >1 is the most hazardous pollutant, which could lead to non-carcinogenic and carcinogenic concerns, particularly in children. This study helps in establishing pollutant loading reduction goal and the total maximum daily loads and consequently contributes to preserving public health and developing water conservation strategies.

Original languageEnglish
JournalInternational Journal of Environmental Science and Technology
Volume14
Issue number1
DOIs
Publication statusPublished - 01-01-2017

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waterways
Trace Elements
Trace elements
Risk assessment
risk assessment
trace elements
Pollution
trace element
India
pollutant
pollution
pollutants
Hazards
Rivers
hazard
Industrial Waste
human health
Water conservation
Health risks
Industrial wastes

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Agricultural and Biological Sciences(all)

Cite this

Guruge, K. S., Goswami, P., Watanabe, I., Abeykoon, S., Prabhasankar, V. P., Binu, K. R., ... Munuswamy, N. (2017). Trace element distribution and risk assessment in South Indian surface waterways. International Journal of Environmental Science and Technology, 14(1). https://doi.org/10.1007/s13762-016-1129-6
Guruge, K. S. ; Goswami, P. ; Watanabe, I. ; Abeykoon, S. ; Prabhasankar, V. P. ; Binu, K. R. ; Joshua, D. I. ; Balakrishna, K. ; Akiba, M. ; Munuswamy, N. / Trace element distribution and risk assessment in South Indian surface waterways. In: International Journal of Environmental Science and Technology. 2017 ; Vol. 14, No. 1.
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Guruge, KS, Goswami, P, Watanabe, I, Abeykoon, S, Prabhasankar, VP, Binu, KR, Joshua, DI, Balakrishna, K, Akiba, M & Munuswamy, N 2017, 'Trace element distribution and risk assessment in South Indian surface waterways', International Journal of Environmental Science and Technology, vol. 14, no. 1. https://doi.org/10.1007/s13762-016-1129-6

Trace element distribution and risk assessment in South Indian surface waterways. / Guruge, K. S.; Goswami, P.; Watanabe, I.; Abeykoon, S.; Prabhasankar, V. P.; Binu, K. R.; Joshua, D. I.; Balakrishna, K.; Akiba, M.; Munuswamy, N.

In: International Journal of Environmental Science and Technology, Vol. 14, No. 1, 01.01.2017.

Research output: Contribution to journalArticle

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AU - Binu, K. R.

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