The green slime at several St. Johns River marinas, including Doctor’s Lake Marina in Clay County, is the outcome of excess fertilizing and leaking septic tanks, and can be harmful to humans, Dr. Quinton White, JU Marine Science Research Institute executive director, said in a Sunday, Oct. 6., Action News Jax (WTEV CBS-47 and WAWS Fox 30) report.
Here is the Action News Jax report: