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Fast food water tested for heavy metals: Taco Bell, KFC, Burger King, Dairy Queen, McDonalds, Subway and more

Mike Adams

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Image: Fast food water tested for heavy metals: Taco Bell, KFC, Burger King, Dairy Queen, McDonalds, Subway and more

In our latest effort to test products for heavy metals and other contaminants, we recently acquired ice water from multiple fast food chains, including Whataburger, Jack in the Box, McDonald’s, Taco Bell, Burger King and more. Using our mass spec laboratory instrumentation (ICP-MS), we tested all these water samples for heavy metals.

You can see the full video revealing the test results only on

This video is part of the new Food Forensics video series that you’ll see posted now at (Lots more videos are coming…)

Surprisingly high levels of copper in some samples

What we found was extremely interesting.

We didn’t find any lead, mercury, cadmium or arsenic in the water samples, but we did find surprisingly high levels of copper, a trace metal that’s regulated by the EPA in drinking water due to its toxicity at high concentrations.

The EPA’s limit on copper in drinking water is 1,300 ppb (ng / ml). We didn’t find any water samples that violate EPA regulations, but we did find 351 ppb of copper in Dairy Queen water. We also found concerning levels of copper in water samples from other fast food restaurants.

Copper is a trace metal that, in high concentrations, can cause mental disorders such as schizophrenia. A small amount of copper is necessary for good health, but too much copper intake over a long period of time can lead to serious neurological health problems.

As I mention in the video, most of these fast food restaurants are independently owned franchise operations, and because they’re connected to local water systems, results will vary widely across the country. Just because one Dairy Queen near Austin Texas has 351 ppb of copper doesn’t mean any other Dairy Queen would have the same results, so don’t mistakenly think these numbers represent a nationwide survey of fast food water. Rather, they represent a “snapshot” of water quality from fast food restaurants near Austin, Texas.


What was the cleanest fast food water we tested? One water sample was so clean, it looks like the restaurant is actually filtering the water. To find out which fast food restaurant seems to be filtering its water, watch the full video here at

If you’re curious about the heavy metals in your own well water, or in ice water from your favorite restaurant, you can buy our heavy metals test kit from the Health Ranger Store. Using this kit, you can test the heavy metals in your hair, your water, your favorite beverages or even nutritional supplements. (We’ve found up to 800 ppm of mercury in supplements, by the way. That’s an almost deadly level of mercury toxicity.) The way the kit works is that you put your food or liquid sample into the vial, mail it back to us, and we run your sample on our ICP-MS instrument then send you the PDF report via email. We’ve run thousands of hair sample tests for people all across the world.

Watch for more videos at both and

ALERT: We have found 5,000 ppb of lead in a popular probiotics supplement sold by We’ll be revealing a full video on that next week. Here’s a link to the podcast preview that explains more.