Swimming in lakes or any other natural body of water involves risks. By far, the utmost risk is drowning caused in part by cloudy water, fast currents, submerged objects, or the lack of lifeguards.
Discussion
Water samples from the beaches are analyzed for microorganisms, known as bacteria. High levels of bacteria indicate that the water has come into contact with fecal material. Fecal bacteria, and occasionally pathogens, are present in the intestines of warm-blooded animals, including humans. Fecal contamination takes place due to improperly constructed and operated septic ...