The World Health Organization has rules for drinking water. They test for things like lead, mercury, and E. coli. Guess what? Untreated rainwater usually passes with flying colors.
In many countries, it’s the primary water source. People in rural Australia and New Zealand live on rainwater tanks. They’re not glowing green. They’re just very, very hydrated.
One study found that rain is often cleaner than tap water. Tap water has added chlorine and fluoride. Rain is just... naked water.
The Plastic Bucket Warning
Don’t drink rain that falls on a plastic roof from the 1970s. Old plastic can leach chemicals. Stick to metal, tile, or glass roofs.
Another no-no: rain from near a factory or a freeway. That water isn’t rain—it’s industrial soup. It’s like ordering a clean smoothie and getting a chemical smoothie.
Fact Check: Is Rainwater Safe to Drink? Only After Proper Filtration
Use a clean, food-grade container. A stainless steel pot or a glass jar works wonders. Never use a rusty bucket. Your taste buds will hate you.