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Rapid Distributed Freshwater Lake Sampling Pilot and Dissolved Organic Matter (DOM) Observations — Miami Whitewater Lake, Ohio
Original title: Rapid Distributed Freshwater Lake Sampling Pilot and Dissolved Organic Matter (DOM) Observations — Miami Whitewater Lake, Ohio
Summary
Researchers tested a portable, boat-based method for quickly checking lake water quality at Miami Whitewater Lake in Ohio, building on similar work done along the Seine River in Paris. They found that natural substances in the water (called dissolved organic matter, which comes from decaying plants and organic material) can interfere with test readings, but simple fixes like diluting samples or adding salt improved accuracy. This matters because it's a step toward faster, cheaper tools for monitoring pollutants like microplastics in the lakes and rivers we swim in, fish from, or draw drinking water from—though this particular study focused on testing the
This technical note presents a rapid distributed environmental sampling pilot conducted at Miami Whitewater Lake, Ohio. Multiple water samples were collected from geographically distributed locations using a portable rowboat-based workflow and immediately evaluated using the EcoExposure™ environmental assessment platform. The pilot evaluated operational feasibility of distributed freshwater lake monitoring, documented environmental heterogeneity across short distances, and investigated the influence of elevated dissolved organic matter (DOM) on optical assay performance. Dilution and saline-conditioning strategies substantially improved optical clarity and endpoint visualization in DOM-rich samples. This work complements the previous rapid distributed shoreline pilot performed along the Seine River in central Paris, France, and demonstrates the adaptability of low-infrastructure, decentralized environmental intelligence workflows across both urban river and natural freshwater lake environments. (Rapid Distributed Seine River Microplastic / Nanoplastic Sampling Pilot — Paris, France https://doi.org/10.5281/zenodo.20361744)