04264331_St. Lawrence River at Cornwall, Ontario, near Massena, NY

Streamflow and water-quality data collected at the St. Lawrence River at Cornwall, Ontario, near Massena, NY go to: https://www.sciencebase.gov/catalog/item/62d86d7ed34e2842e1ed4f9b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results