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VOL. 11, ISSUE 1 (2026)
Monsoon-driven bioaccumulation of heavy metals in water and fish tissues of the Majalgaon Dam and Sindaphana Dam, Maharashtra, India
Authors
AS Jinturkar, M J Shaikh
Abstract
Evaluation of heavy metal contamination in aquatic ecosystems is
crucial for understanding ecological integrity and food safety risks. The
present investigation evaluated the concentration and bioaccumulation pattern
of mercury (Hg), arsenic (As), lead (Pb), cadmium (Cd), and nickel (Ni) in
water and selected fish tissues from the Majalgaon dam and Sindaphana River,
Maharashtra, during July to September 2024. Fish organs, such as liver, gills, and
muscle, were analysed using Inductively Coupled Plasma Mass Spectrometry
(ICP-MS), a sensitive technique commonly used for trace-metal detection. The
results show elevated concentrations of Pb and Ni in several fish tissues,
exceeding the WHO/FAO permissible limits. Arsenic levels marginally exceeded
the limits in some samples, whereas mercury concentrations remained within safe
thresholds. Cadmium levels were generally low but crossed permissible levels in
a few tissues. The order of tissue-specific accumulation was Liver > Gill
> Muscle. The study indicates increased metal influx during the monsoon
season, which may be due to surface runoff and anthropogenic discharge. These
findings highlight potential ecological and human health risks associated with
fish consumption.
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Pages:67-69
How to cite this article:
AS Jinturkar, M J Shaikh "Monsoon-driven bioaccumulation of heavy metals in water and fish tissues of the Majalgaon Dam and Sindaphana Dam, Maharashtra, India". International Journal of Fisheries and Aquatic Research, Vol 11, Issue 1, 2026, Pages 67-69
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