Federal officials said they found black mold and disease-causing bacteria in a popular brand of toothpaste. In a letter dated Nov. 5, the U.S. Food and Drug Administration said Tom’s of Maine toothpaste facilities in Sanford, Maine used water in their products that was contaminated with multiple strains of infectious bacteria.

Dangerous bacteria linked to multiple infections found in final batches of Contaminated water used to make Tom’s of Maine toothpaste.

The U.S. Food and Drug Administration issued a warning letter, but not a recall, after microorganisms were found in water samples and finished toothpaste products.

Is there a recall on Tom's of Maine toothpaste? The FDA warned the company about bacteria-filled water used to make toothpaste and black mold in its facility.

Tom’s of Maine ignored ‘approximately 400 complaints’ related to the color, taste, and odor of its toothpaste, per the FDA. Tom’s of Maine has always been known for using natural ingredients to make its products—like toothpaste,

The Food and Drug Administration has issued a warning letter to a Tom's of Maine facility in Sanford that makes toothpaste.

There are no safety issues with our toothpaste,” the company tells PEOPLE in response to the FDA’s public warning letter

A recent inspection of a Tom's of Maine facility found that the company's toothpaste was made using bacteria-tainted water, among other health violations, according to the U.S. Food and Drug Administration.