Papers

61,005 results
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Article Tier 2

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.

2021 29 citations
Article Tier 2

Geochemical Background and Correlation Study of Ground Water Quality in Ebocha-Obrikom of Rivers State, Nigeria

Researchers assessed groundwater quality in the Ebocha-Obrikom area of Nigeria's Niger Delta, a region heavily affected by oil industry pollution. They measured physicochemical properties and heavy metal concentrations across multiple well water samples over a year-long period. The findings revealed correlations between certain heavy metals and water quality parameters, providing baseline data for monitoring contamination in the region.

2023 Trends in Applied Sciences Research 15 citations
Article Tier 2

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.

2022 International Journal of Hydrology 38 citations
Article Tier 2

Evaluation of the Effects of Heavy Metals on Water from Illegal Crude Oil Refineries: a Case Study of Three Selected Communities in the Niger Delta Region, Nigeria

This paper is not about microplastics; it measures heavy metal contamination (and associated health risk indices) in surface water near illegal crude oil refineries in three communities of Nigeria's Niger Delta region.

2023 Environmental Contaminants Reviews 1 citations
Article Tier 2

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.

2024 International Journal of Biochemistry Research & Review 4 citations
Article Tier 2

Assessment of Heavy Metal Exposure in Soils of Ihwrekreka Communities, Delta State, Nigeria

Soil samples from crude oil-polluted communities in the Ihwrekreka area of Nigeria's Niger Delta were analyzed for heavy metal concentrations using inductively coupled plasma optical emission spectrometry. The study assessed potential health risks to residents from exposure to chromium, nickel, lead, cadmium, and other metals elevated by decades of petroleum contamination.

2024 Journal of Geoscience and Environment Protection 1 citations
Article Tier 2

Heavy Metal Concentration and Human Health Risk Assessment of Selected Brands of Seasoning Powder Sold in Port Harcourt, Nigeria

Researchers assessed heavy metal concentrations in four brands of seasoning powder sold in Port Harcourt, Nigeria, and found levels of arsenic, lead, cadmium, and other metals that posed potential human health risks, highlighting food safety concerns in the region.

2023 International Journal of Science and Healthcare Research 1 citations
Article Tier 2

Assessment of Heavy Metals and Phytochemicals in Soil and Rice Samples Cultivated in a Selected Agricultural Region of Nigeria.

This study assessed concentrations of heavy metals (Pb, Cd, Zn, Fe, Cu, Cr, Ni) and phytochemicals in soil and rice samples from agricultural regions in Abuja and Kogi State, Nigeria, evaluating bioaccumulation risks and food safety implications for populations consuming locally grown rice.

2025 ABUAD International Journal of Natural and Applied Sciences
Article Tier 2

Risk assessment of selected metallic pollutants in fish from Zuru Dam, Kebbi State, Nigeria

Researchers measured concentrations of seven metals (Fe, Zn, Cu, Cr, Co, Pb, K) in catfish and tilapia from Zuru Dam in Nigeria and performed health risk assessments, finding metal levels that may pose risks to communities consuming fish from this water body.

2025 Communication in Physical Sciences
Article Tier 2

GIS Analysis of Organo-Contaminants and Iron Linked to Groundwater and Sediment at Boreholes in Aluu, Delta Region, Nigeria

Researchers used GIS spatial analysis to characterize organo-contaminant and iron concentrations in groundwater and borehole sediments from 10 sites at 45 m depth in Aluu, Nigeria, providing baseline data on contamination sources linked to gastrointestinal illness in communities relying on this groundwater for drinking.

2022 Cloud Computing and Data Science 3 citations
Article Tier 2

Heavy Metals and their Effects on Macroinvertebrates Present in the Ojo River, Lagos, Nigeria

Researchers investigated heavy metal concentrations in the tissues of crab, prawn, and crayfish from the Ojo River in Lagos, Nigeria, assessing contamination levels in commercially harvested crustaceans and their implications for human health and aquatic ecosystem integrity.

2022 Asian Journal of Environment & Ecology
Article Tier 2

Physicochemical Characteristics and Levels of Metal Ions in Groundwater around Abattoir and Cassava Processing Area from Odo-Oori Market in Iwo, Osun State, Nigeria

Researchers assessed the physicochemical properties and metal ion concentrations in groundwater near an abattoir and cassava processing facility in Iwo, Osun State, Nigeria, finding contamination levels that raise concerns about wastewater discharge practices and local water quality.

2025 Journal of applied science and environmental management
Article Tier 2

Bioaccumulation of Heavy Metals in Pelagic and Benthic Fishes of Ogbese River, Ondo State, South-Western Nigeria

Researchers measured heavy metal concentrations in water, sediments, and fish organs from the Ogbese River in Nigeria. The study found that while fish tissue metal levels were within permissible limits, sediment concentrations of cadmium, chromium, iron, and manganese exceeded safe thresholds, indicating moderate contamination risk that warrants ongoing monitoring.

2021 Water Air & Soil Pollution 58 citations
Article Tier 2

Comparative Assessment Of Heavy Metal Accumulation In Two Commercial Fish Species (Clarias Gariepinus And Chrysichthys Nigrodigitatus) From Amansea River, Nigeria

Researchers measured heavy metal concentrations (Pb, Hg, As, Cd, Cr) in water, sediment, and tissues of two commercially important fish species from Amansea River, Nigeria. C. nigrodigitatus accumulated significantly more cadmium and chromium than C. gariepinus, with Bioaccumulation Factors indicating species-specific differences in heavy metal uptake relevant to food safety.

2025 International Journal of Research Publication and Reviews
Article Tier 2

Suitability of Groundwater Quality for Drinking Using Water Quality Index in Kano Metropolis, Nigeria

Researchers assessed groundwater quality across 160 sites in Kano, Nigeria, using a comprehensive water quality index based on chemical, metal, and microbial parameters. They found that most groundwater sources in the region are unsuitable for drinking according to WHO and Nigerian standards, with well water generally worse than borehole water. The study recommends improved water management strategies to increase access to safe drinking water in the area.

2024 FUDMA Journal of Sciences 5 citations
Article Tier 2

Risk assessment of potentially toxic elements in water, sediment, aquatic mussels, and edible crops from a gold-mining-stressed river in Northern Nigeria

Researchers assessed potentially toxic element contamination from artisanal gold mining in a Nigerian river, finding cadmium, chromium, lead, copper, and nickel concentrations exceeding WHO guidelines by roughly tenfold in water, with bioaccumulation in mussels and crops posing significant non-carcinogenic and carcinogenic health risks to local populations.

2026 Discover Chemistry.
Article Tier 2

"Qualitative Analysis of the Effect of Heavy Metals, Coliform level and Industrial Activity on Rooftop and Non-Roof Harvested Rainwater in Delta State, Nigeria"

Researchers conducted a qualitative analysis of rainwater harvested from rooftop and non-rooftop sources to assess the effects of heavy metals, coliform levels, and industrial activity on water quality in an urban environment. The study found that industrial activities and roof material leaching significantly elevated heavy metal concentrations and coliform levels compared to non-rooftop harvested rainwater.

2024 Environmental Analysis & Ecology Studies
Article Tier 2

Monitoring and modeling of heavy metal contents in vegetables collected from markets in Imo State, Nigeria

Researchers monitored heavy metal concentrations — including cadmium, lead, nickel, and zinc — in four commonly consumed vegetables from markets across Imo State, Nigeria, assessing contamination levels and associated human health risks through dietary exposure.

2020 Environmental Analysis Health and Toxicology 23 citations
Article Tier 2

Occurrence and Health Implications of Heavy Metals in Microplastics from Otuoke Surface Waters

Microplastics collected from surface waters in Otuoke, Nigeria were analyzed for adsorbed heavy metals, with health risk assessments indicating that consumption of contaminated aquatic organisms could pose risks to local populations from metal-laden plastic particles.

2025 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Water pollution and its impact on human health in Nigeria Authors

This study examined the causes and health effects of water pollution in Nigeria, where millions of people are affected by contaminated water sources from industrial waste, oil spills, and agricultural runoff. Researchers found that heavy metals, pathogens, and microplastics significantly degrade water quality, leading to waterborne diseases and long-term health problems. The study emphasizes the urgent need for improved sanitation infrastructure, stronger environmental regulations, and community-based clean water initiatives.

2025 Special journal of the Medical Academy and other Life Sciences 3 citations
Article Tier 2

Solid Waste Disposal and Extent of Selected Heavy Metals in Fadama Area of Sokoto City, Nigeria

This study assessed solid waste disposal practices and heavy metal concentrations in the Fadama area of Sokoto city, Nigeria, finding elevated levels of multiple metals in soil samples attributable to improper waste dumping, with implications for public health in communities living near informal disposal sites.

2023 Journal of Bioresources and Environmental Sciences 4 citations
Article Tier 2

Assessment of potentially toxic elements in groundwater through interpolation, pollution indices, and chemometric techniques in Dehradun in Uttarakhand State

Researchers assessed potentially toxic heavy metals (including iron, cadmium, lead, and chromium) in groundwater across an industrial region of northern India, finding contamination levels linked to agricultural runoff, industrial discharge, and land use patterns that pose ongoing health risks to local communities.

2023 Environmental Science and Pollution Research 53 citations
Article Tier 2

Quality water not everywhere: Exploratory Analysis of Water Quality Across Ebocha-Obrikom Oil and Gas Flaring Area in the Core Niger Delta Region of Nigeria

Researchers analyzed water quality across the Ebocha-Obrikom oil and gas flaring area in Nigeria's Niger Delta, finding that communities near extraction operations face significantly degraded drinking water quality with potential health consequences.

2021 25 citations
Article Tier 2

Levels of heavy metals in water and Nile tilapia fish (Oreochromis niloticus) of Eleyele Lake in Ibadan, Nigeria

This is not a microplastics study; it measures heavy metals in water and Nile tilapia from a Nigerian lake, finding that lead concentrations in fish tissue exceeded WHO and FAO limits even though water concentrations appeared acceptable, raising food safety concerns for local consumers.

2023 Dutse Journal of Pure and Applied Sciences 1 citations