Nano-decorations in nature’s subsurface water filter

June 11, 2018

When bacteria and viruses get into well water and make people sick, often the contamination comes after heavy rain or flooding. In 2000, more than 2,300 people in Walkerton, Ontario, got sick when, after unusually heavy rains. E. coli bacteria found their way to drinking water wells. Seven people died. The reason appears straightforward – the […]