Chandana N. TDe Silva, D. S. MAmarathunga ,A. A. DHettige N. DPerera ,H. A. C. C2026-10-192026-10-192025-051012-8999https://dr.ichemc.ac.lk/handle/123456789/591Abstract No: 2025_313 Page No 59Microplastics (≤5 mm) are emerging global pollutants. Their accumulation in freshwater ecosystems converts these into contaminant sinks, making microplastic pollution a significant global issue. While numerous studies have examined microplastics in marine ecosystems, research on microplastic pollution in Sri Lankan rivers remains limited.enBadulu oyafreshwatermicroplasticssedimentUma oyaAssessment of microplastic pollution in water and sedimentA preliminary study in Uma-oya and Badulu-oya sub-catchments of the Mahaweli river, Sri LankaArticle