Shown below is the difference between red tide levels in July 2020 compared to July 2021 after the tragic phosphogypsum discharge from Piney Point into Tampa Bay.
While the environmental threat is clear and devastating, the human health threat that phosphogypsum stacks pose is more uncertain. A study of phosphate miners demonstrated that working with the radioactive material led to an increased incidence of lung cancer and leukemia. Although this provides some insight into the potential dangers of working with radioactive phosphate, there is an utter lack of studies on health impacts to communities around which phosphogypsum stacks are built.