Elkridge is an unincorporated community and census-designated place in Howard County, Maryland, United States. The population was 15,593 at the 2010 census. Founded early in the 18th century, Elkridge is located at the confluence of three counties, the other two being Anne Arundel and Baltimore counties.
At 140 degrees, it takes five seconds for water to burn skin. At 160 degrees, it takes only half of a second. Home hot water systems should be set to no hotter than 125 degrees.