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.

The FDA issued a warning letter, but not a recall, after an inspection found tainted water samples as well as a “black mold-like substance” at one of its plants.

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

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

Water used to make Tom’s Simply White Clean Mint Toothpaste contained bacteria that can cause blood and lung infections,

The FDA sent a warning letter flagging "significant violations" of manufacturing regulations for Tom's of Maine toothpaste.

Tom’s of Maine, the folksy, naturally sourced toothpaste of crunchy-granola-types everywhere, has a problem that, on the whole, seems to fit a brand preferred by dirty hippies. The Food and Drug Administration recently admonished the company after a government inspector found evidence of multiple bacteria in the company’s products and at one of its factories.

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.

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.

Several violations were discovered during an inspection of a Tom's of Maine facility in Sanford, Maine. Bacteria in water used to make toothpaste and "a black mold-like substance" near manufacturing equipment were discovered during the inspection,