In addition to phosphorus, body oils, and other pollutants, bathing in lakes can contribute bacteria and viruses at higher amounts than just swimming.
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Stay out of the water ifCloudy water can be a warning that there are more germs in the water than normal. Discolored or smelly water could mean there is a harmful algal bloom (HAB) in the water.
Look for signs of poor water quality, such as algal blooms and dirty or turbid water. Do not swim in water that smells like rotten eggs or sewage. Avoid swimming near pipes that drain into lakes or streams.
Look for signs of poor water quality, such as algal blooms and dirty or turbid water. Do not swim in water that smells like rotten eggs or sewage. Avoid swimming near pipes that drain into lakes or streams.
During the summer, if a waterbody is deep enough to stratify into three distinct layers, with one warm layer on top, one cold layer at the bottom and a layer of rapidly changing temperature in between (called a “thermocline”), then it is a “lake,” while a waterbody with one or two weakly defined layers is a “pond.”