Washington Aqueduct enhances water quality monitoring to safeguard drinking water

The Washington Aqueduct's Laboratory team calibrates a new data sonde to ensure the continued safety and quality of the region's drinking water Aug. 10, 2026, in Washington, D.C. The Aqueduct installed the new equipment designed to provide real-time, continuous data on the water quality of the Potomac River, serving as a critical early warning system for the region’s primary water source. (U.S. Army Corps of Engineers photo by Julius Delos Reyes)