Tag Archives: History

May 5, 1858: Birth of Dr. John L. Leal- a Hero Of Public Health

This Day in Water History

Dr. John L. Leal Dr. John L. Leal

May 5, 1858: 156th anniversary of the birth of John L. Leal, physician and water treatment expert who pioneered chlorine disinfection in the U.S. There are many unsung heroes who contributed significantly to public health at the turn of the 20th century. John L. Leal is one of them and after reading this, I think you will agree that he did more than most to save people’s lives.

John L. Leal was born in the small town of Andes, New York on May 5, 1858. His father, John Rose Leal was a physician who joined the 144th Regiment, New York Volunteers and fought in the Civil War. During the siege of Charleston, South Carolina, John Rose Leal contracted what was most likely a case of amoebic dysentery from contaminated drinking water. He suffered from the disease for more than 17 years before he finally…

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November 16 | This Day in Water History

November 16 | This Day in Water History.

Privy in terrible condition

November 16, 1918Municipal Journal. A Sanitary
Survey of an Unnamed City. The conditions about which you will read were
by no means unusual in 1918 in the U.S. “A State Board of Health a few
months ago, made a sanitary survey of a certain city (the name of which
is unessential) which was of more than usual interest, because of its
thoroughness and the sensible recommendations based upon it….

via November 16 | This Day in Water History.