Earlier this year, Los Angeles began replacing the chlorine it had used for decades to disinfect its drinking water with chloramine. The reasoning behind the change is two-fold: first, chloramine is more effective as a disinfectant over longer distances; second, chloramine is less likely to be the culprit behind the creation of potentially harmful Disinfection Byproducts (DBPs.)
While its use is becoming more of a discussion point, chloramine, a combination of chlorine and ammonia, has actually been in use throughout several municipalities for decades. If you live in Denver, in fact, chloramine has been used to disinfect your drinking water since 1917. Read More
14,00,000,000 B.C.E. The first molecules of water form in space after an early star explodes in a supernova (try filming that, Michael Bay.)
4,000,000,000 B.C.E. Liquid water on planet Earth–IN YOUR FACE, NEPTUNE AND MARS!
2000 B.C.E. Egyptians boil water and use crude sand and charcoal filters like, you know, Egyptians.
400 B.C.E. Hippocrates designs a sleeve-like cloth filter. He uses his "water cure" to treat many diseases but sadly does not cure his baldness.
500-1500 A.D. Beer is the staple beverage of Europeans because the fermentation process naturally purifies water and they need more excuses to day-drink.
1627 Sir Francis Bacon attempts seawater filtration. Read More