MONTGOMERY COUNTY, Md. (DC News Now) — A large number of fish in sections of the Potomac River were killed by record temperatures, according to the Maryland Department of the Environment.
Environment officials explained that biologists recorded temperatures up to 94 degrees in the Potomac River near Seneca, causing the fish to die. The number of fish impacted has not been released.
The event is known as a summer turnover and is described as layered warm and cold water suddenly mixing, resulting in low-oxygen water rising to the surface…