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61,005 resultsShowing papers similar to Assessment of metal concentrations from recreational rivers in a tropical region (Jengka, Malaysia)
ClearHeavy Metal Contamination in Surface Water of Harike Wetland, India: Source and Health Risk Assessment
Researchers measured levels of arsenic, cadmium, chromium, lead, and zinc in the surface water of Harike Wetland in India across different seasons. They found that cadmium and lead exceeded safe drinking water standards, particularly during winter months, with industrial discharge and agricultural runoff identified as primary sources. The health risk assessment indicated that these contaminated waters pose potential non-cancer health risks, especially for children.
Environmental Health Risks Assesment of Human Exposure to Pb Pollution Around Soyoan River, Indonesia
Researchers assessed human health risks from lead contamination in the Soyoan River, Indonesia, analyzing lead concentrations in water, sediment, and Mujair fish consumed by local communities. The study found that consumption of contaminated fish poses a potential health risk, particularly for children in the surrounding area.
Health Risks from Intake and Contact with Toxic Metal-Contaminated Water from Pager River, Uganda
Researchers investigated the concentrations of lead and cadmium in the Pager River in Uganda, a tributary of the Nile, and assessed associated human health risks. The study found that water from certain sampling points posed potential health risks through both ingestion and skin contact, highlighting the importance of monitoring toxic metals in water sources used by local communities.
Assessment of stream quality and health risks in Indonesian river systems: A social analysis and water quality index approach
Researchers assessed water quality in three Indonesian rivers used by local communities, finding microplastics — primarily polyethylene and polypropylene — alongside elevated levels of iron, lead, and manganese, with residents reporting rising rates of skin disease and diarrhea linked to polluted water use.
Geospatial distribution and machine learning algorithms for assessing water quality in surface water bodies of Morocco
Researchers measured heavy metals including cadmium, lead, and iron in three rivers near Mohammedia, Morocco across two seasons, finding higher concentrations in spring and evidence that contamination enters the rivers before they even reach the urban area. While direct health risks from the metals were low, cancer risk calculations suggested about 1 in 100 people could be affected over a lifetime.
Bioaccumulation and potential sources of heavy metal contamination in fish species in River Ganga basin: Possible human health risks evaluation
Researchers assessed heavy metal contamination in seven commonly consumed fish species from the Ganga River basin in India, measuring zinc, lead, copper, cadmium, and chromium levels. They found that chromium, cadmium, and lead concentrations in river water exceeded safe limits at all sampling sites, with the highest metal accumulation occurring in fish liver tissue. The health risk assessment indicated potential long-term hazards for human populations consuming fish from these contaminated river segments.
Carcinogenic and non-carcinogenic health risk assessment of river Ganges in different climatic conditions and regions of Uttarakhand, India
Researchers assessed health risks from heavy metals in the Ganges River, finding elevated arsenic at some sites and correlations between physicochemical parameters and metal concentrations.
Many oil wells, one evil: comprehensive assessment of toxic metals concentration, seasonal variation and human health risk in drinking water quality in areas surrounding crude oil exploration facilities in rivers state, Nigeria
Researchers assessed toxic metal concentrations in drinking water near crude oil exploration facilities in Nigeria, finding seasonal variations and levels exceeding safety thresholds that pose serious health risks to surrounding communities.
Heavy Metal Concentrations in Certain Edible Freshwater Fishes and Sediments from Kapila River in Mysore District, Karnataka
Researchers measured heavy metal concentrations in three freshwater fish species from the Kapila River in Karnataka, India. Levels of arsenic, lead, nickel, and other metals were found in fish tissues and sediments. Since heavy metals can accumulate in fish consumed by local populations, these findings raise food safety concerns for communities relying on this river.
Physicochemical Quality and Health Risks Associated with Use of Water from Nyamwamba River, Kasese, Western Uganda
Researchers assessed seasonal physicochemical quality and heavy metal contamination in Uganda's Nyamwamba River, finding that copper mine tailings elevated levels of arsenic, lead, and cadmium above safe thresholds, posing significant carcinogenic and non-carcinogenic health risks to communities drinking or using the water.
Bioaccumulation and potential human health risks of metals in commercially important fishes and shellfishes from Hangzhou Bay, China
Researchers measured heavy metal accumulation in commercially fished species from China's Hangzhou Bay and found that children face greater health risks than adults from eating contaminated seafood, with two crab species and an oyster posing the highest cancer risk from arsenic and cadmium exposure.
Ecological and health risk assessment of heavy metals bioaccumulation in Ganges fish near Varanasi, India
Not relevant to microplastics — this study measured heavy metal (lead, manganese, chromium, cadmium) contamination in the Ganges River at Varanasi and in fish caught there for human consumption, finding metal levels well above safe drinking water standards and significant bioaccumulation in fish tissue.
A study on various pollutants in water and their effect on blood of the consumers
Researchers tested drinking water supplied to students in Sahiwal, Pakistan and found contamination with toxic metals, pesticides, and arsenic at levels exceeding WHO safety limits, and linked these pollutants to measurable effects in the blood of water consumers. The study illustrates how inadequate water infrastructure and industrial waste disposal create serious public health risks.
Heavy metal mobility and bioavailability in sediment fractions of major tourist beaches on the south-west coast of India: Implications for coastal ecological health
Researchers applied sequential extraction to sediments from four tourist beaches in Kovalam, India, characterizing the mobility and bioavailability of seven heavy metals across five geochemical fractions, finding copper and cadmium at high pollution and enrichment levels and identifying significant non-carcinogenic health risks for children from lead, chromium, zinc, and copper at all beaches.
Progress in the Research of the Toxicity Effect Mechanisms of Heavy Metals on Freshwater Organisms and Their Water Quality Criteria in China
Researchers reviewed the toxicity mechanisms of heavy metals on freshwater organisms and the development of water quality criteria in China. The study examines how heavy metal pollution threatens both aquatic ecosystems and human health, and discusses the scientific basis for establishing environmental standards that protect freshwater organisms from harmful contaminant levels.
Assessment of Heavy Metal Contamination in Shrimp and Water from the Great Kwa River: Implications for Human Health and Aquatic Ecosystems
Researchers measured heavy metal concentrations in shrimp and water samples from Nigeria's Great Kwa River. The study found elevated levels of several toxic metals linked to oil exploration and industrial activities, with some metals in shrimp tissue exceeding safe consumption limits, raising concerns about health risks for local communities who rely on river shellfish as a food source.
New approach into human health risk assessment associated with heavy metals in surface water and groundwater using Monte Carlo Method
Researchers used statistical modeling and Monte Carlo simulations to assess cancer and non-cancer health risks from heavy metals in water sources across Egypt's northwestern desert, finding that lead, cadmium, and chromium posed significant carcinogenic risks to both adults and children. Children faced especially high risk from skin contact with contaminated water, highlighting an urgent need for advanced water treatment in the region.
Assessment of seasonal variation of heavy metal pollution and health risk in surface sediments at the Karnaphuli River confluences of Chattogram, Bangladesh
This paper is not directly about microplastics; it assesses seasonal heavy metal pollution in river sediments at Chattogram, Bangladesh, focusing on contamination indices and health risks from dermal exposure to metals like cadmium, lead, and arsenic.
Microplastic concentrations in river water and bed sediments in a tropical river: implications for water quality monitoring
Researchers found that microplastic concentrations in a tropical Malaysian river averaged 3.12 particles/L in water and 6,027 particles/m² in bed sediments, with high within-site variability and poor correlation between water and sediment contamination levels, complicating monitoring strategies.
Hazardous effects of heavy metal pollution on Nile tilapia in the aquatic ecosystem of the Eastern Delta in Egypt
Researchers assessed heavy metal contamination in Nile tilapia from rivers in Egypt's Eastern Delta, finding that some metals had accumulated in fish tissues at levels exceeding international safety limits — raising health concerns for people who eat fish from these polluted waters.
Seasonal Variation of Fe, Mn, and Pb in Groundwater of Northwestern Bangladesh
Researchers analyzed seasonal variations in iron, manganese, and lead concentrations in groundwater across northwestern Bangladesh. The study found that metal levels fluctuated significantly between wet and dry seasons, with some samples exceeding safe drinking water standards, highlighting the importance of seasonal monitoring for groundwater quality in the region.
Many Oil Wells, One Evil: Potentially toxic metals concentration, seasonal variation and Human Health Risk Assessment in Drinking Water Quality in Ebocha-Obrikom Oil and Gas Area of Rivers State, Nigeria
Researchers assessed heavy metal concentrations and seasonal variation in drinking water from an oil and gas extraction area in Nigeria, finding contamination levels that pose significant human health risks including potential neurological and carcinogenic effects.
Delving into river health: unveiling microplastic intrusion and heavy metal contamination in freshwater
Researchers sampled five sites along the Nida River in Poland and found microplastic concentrations averaging 245 particles per liter alongside elevated levels of zinc and lead, with cancer risk estimates exceeding safe thresholds in most samples. The study is among the first to characterize both microplastic and heavy metal contamination in Polish freshwater, providing baseline data for pollution management.
Microplastic proliferation in Malaysia’s waterways: bridging knowledge gaps for environmental health
This review evaluates the state of microplastic pollution in Malaysia's rivers, lakes, and coastal waters, identifying industrial activity, poor waste management, and weak enforcement as key drivers. Researchers found that fish consumption accounts for roughly half of human microplastic ingestion in the country. The study calls for stronger regulatory frameworks and better waste management to reduce the health risks from microplastic-contaminated waterways.