Comprehensive evaluation of water quality status for entire stretch of Yamuna River, India

Maneesh Jaiswal, Jakir Hussain, Sanjay Kumar Gupta, Mahmoud Nasr, Arvind Kumar Nema

Research output: Contribution to journalArticle

Abstract

This study represented the first comprehensive assessment of the physicochemical water quality status of the entire Yamuna River stretch in India. The upper zone had “excellent-to-good” water quality index (WQI) with mean 5-day biochemical oxygen demand (BOD 5 ) values of 2.1 and 2.4 mg/L during monsoon and non-monsoon, respectively. The middle region was described by “poor-to-marginal” WQI with average BOD 5 values of 13.1 mg/L (monsoon) and 32.3 mg/L (non-monsoon). The low WQI observations at the midstream region were due to the negative impact of two major drains, namely Najafgarh and Shahdara, that carry partially treated effluents from industrial units. Further, BOD 5 decreased to 1.9 mg/L (monsoon) and 1.8 mg/L (non-monsoon) in the lower zone, and the WQI values improved to “good” and “excellent”. The dilution and depuration effects of the Chambal, Sindh, Betwa, and Ken Rivers recovered the environmental conditions in downstream stations. The oxygen sag curve complied with the water quality status along the river stretch. Based on the principal component analysis, the Yamuna River was strongly influenced by dissolved mineral salts originating from atmospheric deposition, weathering of soils and rocks, and application of deicing chemicals and landfills. Moreover, organic and nutrient substances and biological activities resulting from the discharge of sewage, and the utilization of fertilizers in agriculture, were the second contributors to pollution. The statistical techniques employed in this work could be beneficial for decision-makers (government and stakeholders) to identify the pollution sources/factors and to determine the viability of water bodies for domestic applications.

Original languageEnglish
Article number208
JournalEnvironmental Monitoring and Assessment
Volume191
Issue number4
DOIs
Publication statusPublished - 1 Apr 2019

Fingerprint

Water Quality
Rivers
Water quality
India
Biochemical oxygen demand
water quality
river
monsoon
Snow and ice removal
Pollution
Oxygen
Waste Disposal Facilities
depuration
Body Water
Fertilizers
biochemical oxygen demand
Sewage
Weathering
Bioactivity
Principal Component Analysis

Keywords

  • Indian water standards
  • Monsoon and non-monsoon
  • Multivariate analysis
  • Water quality index
  • Yamuna River

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

Cite this

Comprehensive evaluation of water quality status for entire stretch of Yamuna River, India. / Jaiswal, Maneesh; Hussain, Jakir; Gupta, Sanjay Kumar; Nasr, Mahmoud; Nema, Arvind Kumar.

In: Environmental Monitoring and Assessment, Vol. 191, No. 4, 208, 01.04.2019.

Research output: Contribution to journalArticle

Jaiswal, Maneesh ; Hussain, Jakir ; Gupta, Sanjay Kumar ; Nasr, Mahmoud ; Nema, Arvind Kumar. / Comprehensive evaluation of water quality status for entire stretch of Yamuna River, India. In: Environmental Monitoring and Assessment. 2019 ; Vol. 191, No. 4.
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