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June 3, 2026Journal of Environmental Science and Health Part A0 citations

Hydrogeochemical characterization and ecological risk screening of heavy metals in the Bagmati River, Kathmandu Valley, Nepal

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DPDhurba PokhrelSSSuman Man Shrestha

Key Points

  • This study aims to characterize the hydrogeochemical properties of the Bagmati River and assess the ecological risks posed by heavy metals.
  • Analyzed water samples from Bagmati River during the dry season.
  • Measured physicochemical parameters and heavy metal concentrations using flame atomic absorption spectrometer.
  • Identified potential sources of heavy metals and evaluated associated ecological risks.
  • Identified elevated levels of heavy metals indicating significant ecological risk.
  • Concentrations of heavy metals exceeded safe limits, impacting local water quality.
  • Potential sources of pollution linked to urban runoff and industrial discharge.

Abstract

The key characteristics of physicochemical parameters, their possible sources, and the extent of potential ecological risks posed by heavy metals in the core urban area of the Bagmati River, Kathmandu Valley, Nepal, were studied through the proxy screening of the river water in dry season. Heavy metals were analyzed by flame atomic absorption spectrometer. The concentrations of NO

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Cite This Study

Pokhrel et al. (2026) studied this question.

synapsesocial.com/papers/6a1fc718dee9eb8c0dce7e69https://doi.org/10.1080/10934529.2026.2668912
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Heavy Metal Concentrations in Water and Fish Tissues of the Bagmati River, Central Nepal2026
  2. 2Heavy Metal Contamination and Ecological Risk Assessment in the Bhairab–Rupsha River Basin: An Integrated Approach Using Pollution Indices, Spatial Mapping, and Multivariate Analysis2026
  3. 3Chemical Profiling of Street Dust in Kathmandu Valley: A Preliminary Environmental Assessment2025
  4. 4Baseline assessment of sedimentary heavy metals and ecological risks in the high-siltation Gorai River, Bangladesh2026
  5. 5Distribution, Source Apportionment, and Risk Assessment of Heavy Metals in Surface Waters from a Glacier Basin on the Southeastern Tibetan Plateau2026