Papers

61,005 results
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Review Tier 2

A Review of Microplastics in Freshwater Environments: Locations, Methods, and Pollution Loads

This review chapter summarizes global research on microplastics in freshwater environments, covering detection locations, sampling methods, and pollution levels. Because many freshwater bodies serve as drinking water sources, understanding where microplastics occur and in what quantities is critical for assessing risks to human health.

2020 ACS symposium series 19 citations
Systematic Review Tier 1

Microplastic pollution in groundwater: a systematic review

This systematic review reveals that microplastics have been found in groundwater sources worldwide, raising concerns about drinking water safety. Detection methods and reported contamination levels vary widely, highlighting the need for standardized testing to fully understand the scope of the problem.

2024 Environmental Pollutants and Bioavailability 59 citations
Review Tier 2

Microplastics in freshwater systems: A review of the emerging threats, identification of knowledge gaps and prioritisation of research needs

This review synthesizes the growing body of research on microplastic contamination in freshwater rivers, lakes, and sediments, which has received far less attention than marine environments. Researchers found that freshwater microplastic concentrations can rival or exceed those reported in ocean studies, particularly near urban and industrial areas. The study identifies critical knowledge gaps including the lack of standardized sampling methods and limited understanding of how microplastics affect freshwater organisms and ecosystems.

2015 Water Research 2541 citations
Systematic Review Tier 1

Microplastics in drinking water: A review on methods, occurrence, sources, and potential risks assessment

This systematic review found that microplastics are widespread in drinking water worldwide, with most particles smaller than 10 micrometers and composed of polyester, polyethylene, polypropylene, and polystyrene. Standardized sampling and analysis methods are urgently needed, as large variations in reported concentrations make it difficult to accurately assess health risks from drinking water exposure.

2024 Environmental Pollution 50 citations
Article Tier 2

Microplastics in freshwaters and drinking water: Critical review and assessment of data quality

Researchers critically reviewed fifty studies on microplastics in freshwater and drinking water and found significant quality issues, including inconsistent sampling methods and inadequate contamination controls. Many studies lacked proper quality assurance, making it difficult to draw reliable conclusions about actual contamination levels. The study emphasizes that standardized methods are urgently needed before the true extent of microplastic contamination in drinking water can be assessed.

2019 Water Research 2298 citations
Article Tier 2

A review of microplastics measuring methods in water and wastewater bodies

This review covers the wide variety of methods used to measure microplastics in water and wastewater, comparing their advantages and limitations. The authors note that lack of standardized methods makes it difficult to compare results across studies and call for international consensus on measurement protocols.

2021 SHILAP Revista de lepidopterología
Article Tier 2

Microplastics in the Aquatic Environment: Occurrence, Persistence, Analysis, and Human Exposure

This review synthesizes global research on microplastic occurrence in aquatic environments, from rivers and lakes to wastewater and seafood, and examines how these particles eventually reach humans. Researchers found that microplastics are now ubiquitous in freshwater and marine systems, with trophic transfer and biomagnification serving as key routes of human exposure. The study highlights the need for standardized sampling and analysis methods to enable better comparison across studies and more accurate risk assessment.

2021 Water 104 citations
Article Tier 2

Microplastic analysis—are we measuring the same? Results on the first global comparative study for microplastic analysis in a water sample

Researchers conducted the first international comparative study of analytical methods for microplastic analysis in a water sample and found that comparability between methods was highly limited, underscoring the urgent need for standardized protocols in microplastic research.

2019 Analytical and Bioanalytical Chemistry 112 citations
Article Tier 2

Standardization of monitoring data reassesses spatial distribution of aquatic microplastics concentrations worldwide

Researchers created a new method to standardize microplastic measurements across different studies worldwide, enabling accurate comparisons for the first time. After applying the correction, they found that North America had the highest average microplastic concentrations in fresh water, and that contamination levels closely tracked human development indicators. This standardized approach is an important step toward understanding the true scale of microplastic pollution in the water people use.

2024 Water Research 37 citations
Article Tier 2

Microplastic analysis in urban areas and their impact on quality of life

Researchers reviewed the growing threat of microplastic pollution to biodiversity and human health, focusing on freshwater systems as a key exposure pathway. The study emphasizes the need for standardized identification methods for microplastics in freshwater environments.

2025 Springer Link (Chiba Institute of Technology)
Article Tier 2

A standard analytical approach and establishing criteria for microplastic concentrations in wastewater, drinking water and tap water

This study proposes standardized methods and concentration benchmarks for measuring microplastics in wastewater, drinking water, and tap water. The researchers found that current studies use widely varying techniques, making it difficult to compare results or set safety limits. Establishing consistent measurement standards is a critical first step toward determining what levels of microplastics in drinking water may pose risks to human health.

2023 The Science of The Total Environment 36 citations
Systematic Review Tier 1

A Systematic Review of Microplastic Detection in Water

This systematic review summarizes current methods for detecting microplastics in water sources. The research highlights significant challenges in accurately measuring these tiny plastic particles, with different techniques yielding very different results. Better detection methods are essential for understanding how much microplastic is present in the water people drink and use daily.

2024 2 citations
Article Tier 2

Microplastics in Drinking Water: Assessing Occurrence and Potential Risks

This review paper examines how widespread microplastics are in drinking water — from rivers and lakes to groundwater — and what health risks this contamination may pose. The authors call for urgent research into how microplastics move through water treatment systems and ultimately reach taps, emphasizing that current sampling and analytical methods are inconsistent, making it hard to compare studies or set safety thresholds. For people drinking tap or bottled water daily, understanding and regulating this exposure pathway is a pressing public health priority.

2023 Journal for Research in Applied Sciences and Biotechnology 2 citations
Article Tier 2

Disparities in Methods Used to Determine Microplastics in the Aquatic Environment: A Review of Legislation, Sampling Process and Instrumental Analysis

This review examined the wide disparities in sampling, processing, and analytical methods used across microplastic studies, highlighting how inconsistent approaches make it difficult to compare results and calling for standardized international protocols and regulatory frameworks.

2021 International Journal of Environmental Research and Public Health 45 citations
Article Tier 2

Monitoring microplastics in drinking water: An interlaboratory study to inform effective methods for quantifying and characterizing microplastics

Researchers conducted an interlaboratory study with 22 labs from six countries to evaluate methods for quantifying microplastics in drinking water, finding significant variability between labs and identifying key areas for method standardization.

2022 Chemosphere 113 citations
Article Tier 2

Emerging threats and persistent conservation challenges for freshwater biodiversity

This review provides a comprehensive overview of microplastic pollution in freshwater environments, covering sources, distribution, and ecological impacts in rivers, lakes, and reservoirs. Researchers found that freshwater microplastic contamination is widespread globally but that standardized sampling and analysis methods are still lacking. The study calls for more consistent research approaches so that contamination levels across different water bodies can be meaningfully compared.

2018 Biological reviews/Biological reviews of the Cambridge Philosophical Society 3293 citations
Article Tier 2

Microplastic pollution in drinking water

This review examines what is known about microplastic contamination in both tap and bottled drinking water around the world. Researchers found that while microplastics have been detected in drinking water at many locations, the reported concentrations vary enormously, making it difficult to draw firm conclusions about relative risk. The study highlights the urgent need for standardized sampling and analysis methods to produce reliable and comparable data on microplastics in the water we drink.

2021 Current Opinion in Toxicology 117 citations
Article Tier 2

The assessment of microplastic and microfibres in freshwater systems through different sampling methods reveals causes of incomparability.

Researchers performed a literature mining study on microplastic abundance in freshwater systems, finding that large discrepancies between studies arise not only from inherent environmental variability but from methodological differences in sampling and analytical approaches, highlighting the urgent need for standardized protocols.

2025
Article Tier 2

Microplastics in water: occurrence, detection, and impacts – a comprehensive review of multiple studies

This comprehensive review synthesized current knowledge on microplastic occurrence, detection methods, and impacts across marine, freshwater, and remote aquatic ecosystems. Researchers highlighted that microplastic concentrations are particularly high in urban rivers, transported through runoff, atmospheric deposition, and river input. The review identifies critical research gaps including the need for standardized detection methods and more studies on chronic human exposure through contaminated seafood and drinking water.

2026 Water Practice & Technology
Article Tier 2

Microplastics in freshwater ecosystems: what we know and what we need to know

This review examines the state of knowledge on microplastic contamination in freshwater ecosystems, which have received far less scientific attention than marine environments despite being major pathways for plastic transport. Researchers found that freshwater microplastic concentrations can be extremely high near urban areas and that organisms from insects to fish readily ingest these particles. The study identifies key research gaps including the need for standardized detection methods and better understanding of how microplastics move through and affect freshwater food webs.

2014 Environmental Sciences Europe 1468 citations
Article Tier 2

Beyond the ocean: contamination of freshwater ecosystems with (micro-)plastic particles

This review examined the available data on microplastic contamination in freshwater ecosystems — rivers, lakes, and urban water systems — and found it to be widespread globally, though often underreported compared to marine environments. The authors highlight the need for reliable concentration data and chemical characterization of freshwater plastics to properly assess ecological risk.

2015 Environmental Chemistry 540 citations
Article Tier 2

Microplastic in Freshwater Environment: A Review on Techniques and Abundance for Microplastic Detection in Lake Water

This review examines microplastic pollution in freshwater environments, summarizing detection techniques and reporting on abundance data from rivers, lakes, and streams worldwide. The authors highlight methodological inconsistencies that complicate cross-study comparisons and call for standardized sampling and analysis protocols.

2023 Trends in Sciences 9 citations
Article Tier 2

Research progresses of microplastic pollution in freshwater systems

This review examines the widespread presence of microplastics in freshwater systems around the world, finding concentrations that vary by several orders of magnitude across different regions. Researchers identified fibers as the most common shape, with polypropylene and polyethylene as the dominant polymer types, primarily originating from human activities like sewage discharge. The study highlights concerns about microplastic contamination in drinking water and its potential effects on aquatic organisms.

2021 The Science of The Total Environment 146 citations
Article Tier 2

Prevalence and implications of microplastics in potable water system: An update

This review summarizes current knowledge on microplastic contamination in drinking water systems worldwide, covering sources, detection methods, and potential health implications. Researchers found that microplastics are present in both tap and bottled water, with fibers and fragments being the most common types detected. The study highlights the need for standardized testing methods and regulatory limits to protect public health from microplastic exposure through drinking water.

2023 Chemosphere 47 citations