Washington Aqueduct enhances water quality monitoring to safeguard drinking water

Brahm Prakash, Washington Aqueduct chemist, calibrates a data sonde at Washington Aqueduct in Washington, D.C., Aug. 10, 2026. The equipment is designed to monitor environmental water quality parameters, such as temperature, pH, dissolved oxygen and turbidity. (U.S. Army Corps of Engineers photo by Julius Delos Reyes)