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Microplastics contamination in Isinuka springs and CO 2 -seeping freshwater systems in South Africa: a baseline study
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Scientists tested South Africa's sacred Isinuka springs and nearby CO2-rich streams, waters used for drinking, healing, and spiritual practices, and found tiny plastic particles (called microplastics) at every single site tested. The most-visited sacred spring actually had the highest plastic levels, suggesting human activity is contaminating these waters long thought to be pure; since people regularly drink and bathe in this water, the health effects of ingesting these plastic particles deserve closer study.
Microplastic (MP) pollution is increasingly being reported in freshwater ecosystems, yet culturally significant and geochemically unique systems remain poorly studied. This study provides baseline evidence of MP contamination in South Africa’s sacred freshwater systems, specifically Isinuka springs and CO2-seeping freshwater systems along the Bongwana Fault. Surface water samples were collected from nine sites, including Isinuka springs (four sites; n = 4) and CO2-seeping freshwater systems (five sites; n = 5). Microplastics were found at all sites, with abundances ranging from 5 to 48 particles I−1 (average ≈ 20.4 particles I−1). Transparent MP particles were the most common colour (38.6%), fibres/filaments were the dominant shape (69.6%), particles ≥ 20 µm accounted for the highest proportion by size (51.1%), and polypropylene (PP) was the most frequently identified polymer (38%). A variety of MP patterns were observed, with the highest number of MP particles found at the most intensively used sacred site (Isinuka spring; Site 1). These findings highlight that sacred freshwater systems, often regarded as pristine due to their cultural and traditional significance, are vulnerable to MP contamination, with potential ecological, cultural and public health implications for communities that rely on these waters for drinking, healing and spiritual practices. This study provides essential baseline data and underscores the need for wider MP monitoring in South African sacred freshwater systems, including sediments and biota, while also emphasising the importance of combining scientific approaches with cultural management and community awareness to protect these sacred waters from MP pollution.
More Papers Like This
Microplastics contamination in Isinuka springs and CO2-seeping freshwater systems in South Africa: a baseline study
AI summary Read the abstract
Scientists testing sacred South African springs used for drinking, healing, and spiritual practices found tiny plastic particles (microplastics) in every single water sample, with the most contamination at the most heavily used sacred site. This matters because these waters are traditionally seen as pure and untouched, yet people are likely drinking and bathing in water containing plastic fibers, raising concerns about health risks that researchers say need further study.
Microplastics contamination in Isinuka springs and CO2-seeping freshwater systems in South Africa: a baseline study
AI summary Read the abstract
Scientists testing sacred healing springs in South Africa found tiny plastic particles (mostly plastic fibers) in every single water sample, even though these springs are considered pure and untouched. This matters because many people drink this water, bathe in it, and use it for spiritual healing practices, meaning they may be unknowingly ingesting or absorbing microplastics regularly, highlighting that even remote, culturally protected water sources aren't safe from plastic pollution.
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Researchers investigated microplastic contamination in natural springs across South Africa and found an average of 6 particles per liter, even in groundwater-fed sources with limited surface exposure. Fibers were the most common particle shape, and polyethylene was the dominant polymer type. The findings suggest that groundwater sources like natural springs are just as vulnerable to microplastic contamination as surface freshwater systems.
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