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.
Fallen trees, utility poles cause traffic delays in Montgomery County
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.
The lack of oxygen and temperature change result in stress in fish and can lead to a “fish kill,” a term biologists use to describe when a significant number of fish die…