https://www.usgs.gov/publications/advances-recreational-water-quality-monitoring-indiana-dunes-national-lakeshore
Indiana Dunes has improved its ability to protect the health of swimmers through better science-based management and increased understanding of contaminants....
recreational water qualityindiana dunesadvancesmonitoringnational
https://www.usgs.gov/centers/upper-midwest-water-science-center/science/enhance-great-lakes-beach-recreational-water
Important questions about beach closures and management remain unanswered in the Great Lakes where over 500 beaches are routinely used along the nearly 11,000...
recreational water qualitygreat lakesdecision makingenhancebeach