A lot goes into making water safe. Before drinking water reaches the tap, and after wastewater leaves a building, water goes through series of filtration systems that remove the “big” stuff. But that is not the end of the system; disinfection is a key part of keeping the water system safe.
“At a very late stage, when all the nutrient and organics have been removed by either the physical, chemical and biological processes, you’re still left with some bacteria,” explained Kung-Hui “Bella” Chu, Ph.D., Texas A&M University professor in the Zachry Department of Civil and Environmental Engineering.
Read more from Kerry Halladay with Texas Water Resources Institute here.