> A small amount of rainwater is probably fine, but if you really do live off the grid year round then you need to treat your rainwater. Drinking untreated rai

> A small amount of rainwater is probably fine, but if you really do live off the grid year round then you need to treat your rainwater. Drinking untreated rainwater is a pretty bad idea [1], even without considering PFAS. A bird pooping on the surface you collect it from is enough to contaminate the tank with bacteria, parasites and/or viruses, and if you collect any kind of ground run-off it gets significantly worse. [2] [1] https://www.cdc.gov/healthywater/drinking/private/rainwater-collection.html https://www.cdc.gov/healthywater/drinking/private/rainwater-... [2] https://novascotia.ca/nse/surface.water/docs/SurfaceWaterQA.pdf https://novascotia.ca/nse/surface.water/docs/SurfaceWaterQA....