Preparedness and Survival Skills

There’s also charcoal. If you know how to make activated charcoal you should be able to take out some chemical contamination as well

 

If you dig 2 holes near a river one close to the river and the other further back on the river bank. The first fills with water then it travels through the sand into the second hole and it will be filtered a lot. Don't remember the name of the technique

 

Activated charcoal: 8 uses and what the science says

 

Very similar to the Gypsy Wells method:

https://www.apocalypticcookbook.com/gypsy-well

 

Yes precisely! The fire would be nice of course as well