Microplastics are everywhere in Pennsylvania's water – but the tide may be turning

Microplastics Found in Wastewater Effluent Flowing Into the Susquehanna River

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Filamentous microplastics, including fibers resembling those shed from fleece garments during laundering, were detected in treated wastewater effluent discharged into the Susquehanna River in Pennsylvania. This finding confirms that wastewater treatment plants are a significant ongoing pathway for microplastic fibers to enter freshwater systems and ultimately reach human drinking water sources.

Characterization and Fate of Microplastics as Emerging Contaminants in Philadelphia’s Freshwater Systems

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Researchers developed and tested novel sampling and multi-analytical methods including SEM-EDX and FTIR spectroscopy to characterize microplastics in Philadelphia's Delaware and Schuylkill Rivers, aiming to standardize freshwater microplastic methodology. Their work provides foundational data on concentrations, morphology, and elemental composition of freshwater microplastics to support future human and environmental health assessments.

Microplastics in Freshwater

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Freshwater environments face persistent contamination from microplastics and other emerging pollutants of microscopic origin, threatening ecosystems that billions of people rely on for drinking water and food. The ubiquity of microplastics in rivers, lakes, and groundwater means that human exposure through water consumption is effectively unavoidable without advanced treatment interventions.

Microplastic Pollution in Water

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Researchers reviewed microplastic pollution across freshwater, seawater, and coastal environments, summarizing sources, detection methods, and ecological and human health impacts, and identifying standardization of sampling and analysis techniques as a critical research priority.

Freshwater Microplastics