the.com/water quality
the difference between drinking water and drinking chemistry homework.
means a measure of whether water is safe, clean, and pleasant enough for its intended use, from swimming to sipping.
from formal testing began in the 1850s after london physician john snow traced a cholera outbreak to a single contaminated pump, proving invisible things in water could kill; the field has been chasing invisible things ever since.
invisible killersmost dangerous contaminants have no taste or smell
flint reminderpipes themselves can poison water for years
testing lagsome results take days, harm happens in hours
global gap2 billion people lack safely managed drinking water
for instance
flint michigan — 2014 pipe corrosion poisoned a city with lead for years
cuyahoga river fire — 1969 ohio river caught fire from pollution, sparked the epa
cape town day zero — 2018 drought nearly shut off water to 4 million people
ganges river — sacred to millions, yet carries severe industrial and sewage contamination