Mercury Concentrations in Fish Tissue, Sediment, and Water from Voyageurs National Park, 2000-2025

This dataset details mercury concentrations across sediments, water, and biological tissue (juvenile yellow perch [Perca flavescens]) collected from 30 freshwater lakes within and adjacent to Voyageurs National Park between 2000-2025. The dataset contains over 1000 measurements of total mercury in fish tissue and over 500 measurements of methylmercury and total mercury in unfiltered surface waters. The data set also contains five 24-year records for mercury in water and six 9-year datasets for mercury in fish and water.