Papers

61,005 results
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Article Tier 2

Do drinking water plants retain microplastics? An exploratory study using Raman micro-spectroscopy

Researchers quantified microplastic retention at a Danish groundwater-fed drinking water treatment plant using Raman spectroscopy, finding that the plant reduced but did not eliminate microplastic particles down to 1 micron in size, with some microplastics present in the treated drinking water output.

2023 Heliyon 18 citations
Article Tier 2

Microplastic removal across ten drinking water treatment facilities and distribution systems

Researchers characterized microplastic removal across ten drinking water treatment facilities and found that conventional municipal treatment achieved greater than 97.5% removal, primarily through granular media filtration or ultrafiltration. Untreated source waters contained between approximately 1,200 and 7,200 microplastic particles per liter, with polypropylene, polyethylene, and polyamide being the most common types. The findings provide valuable data on microplastic exposure through drinking water and the effectiveness of existing treatment processes.

2025 npj Clean Water 1 citations
Article Tier 2

Microplastics in Drinking Water: A Review of Sources, Removal, Detection, Occurrence, and Potential Risks

This review examines how microplastics enter drinking water supply systems, evaluates methods for their detection and removal, and summarizes what is known about their occurrence in treated water. Researchers found that while conventional water treatment removes a significant portion of microplastics, no current method eliminates them completely. The study highlights the need for improved monitoring standards and further research into the long-term health effects of ingesting microplastics through drinking water.

2025 Toxics 4 citations
Article Tier 2

Removal of microplastics via drinking water treatment: Current knowledge and future directions

This review examines what is currently known about microplastics in drinking water systems and how well existing water treatment processes remove them. Researchers found that while conventional treatment steps like coagulation and filtration do reduce microplastic levels, significant amounts can still persist through to tap water. The study calls for more research into optimizing treatment processes and developing monitoring strategies specifically targeting microplastic contamination in drinking water.

2020 Chemosphere 386 citations
Article Tier 2

Occurrence, Fate, and Treatment of Micro/Nano Plastics in Drinking Water Sources

This review examines the occurrence, fate, and treatment of micro- and nanoplastics in drinking water sources, covering how these particles enter water supplies and what treatment technologies exist to remove them. The authors note significant gaps in both detection methods and removal efficiency.

2024 Water and waste water management
Article Tier 2

Fate of microplastics in the drinking water production

Researchers tracked the fate of microplastics through drinking water treatment processes, finding that conventional treatment steps like coagulation, sedimentation, and filtration removed the majority of microplastics but did not eliminate them entirely.

2022 Water Research 157 citations
Article Tier 2

Occurrence of microplastics in raw and treated drinking water

Researchers analyzed raw and treated water from three water treatment plants and found microplastics in all samples, though treatment reduced particle counts by roughly 70 to 80 percent. The vast majority of detected particles were smaller than 10 micrometers, a size range often missed by other studies. The findings highlight that while water treatment removes most microplastics, very small particles can still pass through conventional filtration systems.

2018 The Science of The Total Environment 1073 citations
Article Tier 2

Microplastics in Drinking Water:Current Knowledge, Quality Assuranceand Future Directions

This review synthesizes current knowledge on microplastics in drinking water, covering their occurrence in source waters, behavior during treatment processes, and potential health implications. Researchers found that while drinking water treatment plants remove a portion of microplastics, standardized quality assurance methods are still lacking. The study calls for improved monitoring protocols and treatment technologies to better address microplastic contamination in tap water.

2024 Polish Journal of Environmental Studies 3 citations
Article Tier 2

Investigation of Microplastics in the drinking water treatment plant at Srinagar, Garhwal, Uttarakhand.

Researchers investigated microplastic removal efficiency across the treatment stages of a drinking water treatment plant in Srinagar, Uttarakhand, India, collecting samples at each stage and analyzing them by microscopy, SEM, and XRD. Microplastics, predominantly fibers, were found in all stages including the final treated water supplied to households, indicating that standard treatment processes do not fully eliminate microplastic contamination.

2022 Zenodo (CERN European Organization for Nuclear Research)
Review Tier 2

Removal of microplastics and nanoplastics in water treatment processes: A systematic literature review

Researchers systematically reviewed 103 studies across 26 water treatment plants in 12 countries to assess how well various technologies remove microplastics and nanoplastics from drinking water, finding that while coagulation, filtration, and advanced treatments help, significant gaps remain. The review identifies that no single process achieves complete removal, leaving microplastics as a persistent contaminant in treated water supplies.

2024 Journal of Water Process Engineering 34 citations
Article Tier 2

Mass Concentration and Removal Characteristics of Microplastics and Nanoplastics in a Drinking Water Treatment Plant

Researchers measured both microplastics and nanoplastics by mass throughout an entire drinking water treatment plant, finding that raw water contained about 9.6 micrograms per liter of plastic polymers. Treatment reduced this by roughly 92%, but nanoplastics and very small microplastics were harder to remove than larger particles. The study highlights the importance of measuring plastic contamination by mass, not just by particle count, for a more accurate picture of exposure through drinking water.

2024 ACS ES&T Water 29 citations
Article Tier 2

Microplastics and nanoplastics contamination in raw and treated water

Researchers analyzed 189 samples of raw, tap, and bottled drinking water for micro- and nanoplastic contamination. They found plastic particles in every sample tested, with raw water sources containing the highest concentrations and treated tap water containing the lowest, though contamination was never fully eliminated. The study suggests that current water treatment processes reduce but do not completely remove plastic particles from drinking water.

2023 Water Science & Technology Water Supply 25 citations
Article Tier 2

Occurrence and Source of Microplastics Contamination in Drinking Water and Performance of Water Treatment Plants in Removing Microplastics

This review summarizes evidence that microplastics are present in both tap water and bottled water worldwide, with bottled water frequently contaminated by particles shed from the plastic packaging itself. Conventional water treatment plants remove between 40% and 93% of microplastics but cannot eliminate them entirely, meaning treated drinking water still carries measurable plastic loads. The chapter highlights the irony that plastic packaging intended to deliver clean water is itself a major source of microplastic contamination.

2023
Article Tier 2

Abundance and characteristics of microplastics in drinking water treatment plants, distribution systems, water from refill kiosks, tap waters and bottled waters

This review summarizes research on microplastic contamination across the entire drinking water supply chain, from treatment plants to tap water and bottled water. Microplastics were found at every stage, with concentrations varying widely depending on location and treatment methods. The findings highlight that people are regularly consuming microplastics through their drinking water, though more standardized research is needed to fully understand the health implications.

2023 The Science of The Total Environment 82 citations
Article Tier 2

Microplastic removal efficiency in a megacity water treatment plant and dynamics in the distribution system

This study tracked microplastics through a megacity drinking water treatment plant and urban distribution network, finding significant MP removal through treatment but detecting residual contamination in distributed water, raising public health concerns in rapidly growing urban areas.

2025 Environmental Technology & Innovation
Article Tier 2

Microplastics in Water: Occurrence, Human Health Impact and Methods of Analysis

This review covers the occurrence of microplastics in water sources globally, summarizing human health impacts from ingestion and inhalation, and evaluating available treatment technologies for removing microplastics from drinking water. The authors conclude that conventional water treatment is insufficient for complete microplastic removal.

2024 Oriental Journal Of Chemistry 1 citations
Article Tier 2

Analysis of the Efficiency of Drinking Water Treatment Systems in the Removal of Microplastics

Researchers analysed the efficiency of drinking water treatment systems in removing microplastics — primarily PET, PP, PS, and PVC fibres and fragments — from source water, reviewing how physical, chemical, and biological treatment stages contribute to reduction. The review also evaluates associated health risks including inflammation, oxidative stress, endocrine disruption, and genetic damage linked to microplastic exposure via drinking water.

2024 Universidad Industrial de Santander
Article Tier 2

Advancements and Regulatory Situation in Microplastics Removal from Wastewater and Drinking Water: A Comprehensive Review

This review examines current methods for detecting and removing microplastics from wastewater and drinking water treatment plants. Researchers found that while existing treatment processes remove many microplastics, some particles still pass through to discharge into natural water bodies. The study also provides an overview of regulations and policies in the United States addressing microplastic contamination in water systems.

2024 Microplastics 30 citations
Article Tier 2

Occurrence and removal of microplastics by advanced and conventional drinking water treatment facilities

Researchers evaluated the performance of both advanced and conventional drinking water treatment processes for removing microplastics, finding that advanced methods such as ultrafiltration substantially outperform standard coagulation and filtration. Most conventional treatment plants leave a meaningful fraction of microplastics in finished drinking water.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Exposure to Nano- and Microplastic Contamination in Treated Water in Mahasarakham Province

This study measured nano- and microplastic contamination in treated drinking water in Mahasarakham Province, Thailand, assessing the extent to which water treatment effectively removes plastic particles. Both nano- and microplastics were detected in treated water, indicating incomplete removal by current treatment processes.

2024 Water Resources
Systematic Review Tier 1

Microplastics in water, from treatment process to drinking water: analytical methods and potential health effects

This systematic review examines how microplastics travel through the water treatment process from raw water sources to your tap and bottled water. The researchers present methods for detecting these particles and assess potential health impacts of drinking microplastic-contaminated water. The findings suggest that current water treatment may not fully remove microplastics, meaning ongoing low-level exposure through drinking water is likely.

2022 Water Emerging Contaminants & Nanoplastics 13 citations
Article Tier 2

Identifying microplastic contamination in drinking water: analysis and evaluation using spectroscopic methods

Researchers developed analytical methods to identify and quantify microplastic contamination in drinking water, evaluating extraction efficiency and detection accuracy across different water types and plastic particle sizes. The study assessed health implications based on measured plastic loads in treated water.

2024 Interdisciplinary Environmental Review
Article Tier 2

Occurrence and fate of microplastics at two different drinking water treatment plants within a river catchment

Researchers investigated the occurrence and removal of microplastics at two drinking water treatment plants located on the same river in the Czech Republic. The study found that microplastics were present in raw water at both facilities and that treatment processes reduced but did not fully eliminate microplastic contamination, with removal efficiency varying by treatment technology.

2020 The Science of The Total Environment 240 citations
Review Tier 2

Microplastic Contamination in Drinking Water: A Review

This review summarized current research on microplastic contamination in drinking water, covering detection methods, occurrence data, and health implications. The authors found microplastics widely present in tap and bottled water worldwide and noted that conventional treatment processes remove them incompletely, raising ongoing concerns about chronic low-level human ingestion.

2025 Journal of Health Science and Pharmacy