This project is full of misinformation to sell you a solution to a problem that does not exist. He regularly uses the scarcity tactic to get you to buy his book.
NASA hasn't predicted a super-drought (the study they mean is highly contentious), their "solution" will not work in drought-like (dry air) environments, ground water does get replenished, fluoride is a helpful compound that prevents tooth decay, arsenic is dissolved in groundwater which the EPA sets upper limits on to keep people safe. Their solution only produces 20 (No wait 60? He says both) gallons per day. When he himself states that, "humans use 1000 gallons per day." The water freedom system is snake oil. This man is a con artist. Don't Buy it.