Scientists attribute the lake water's clarity to its passage underground from Lake Constance, which filters out nearly all the particles suspended in the water. Its clarity reveals water's natural blue-violet colour.
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Blue water lakes contain low concentrations of algae and other substances, resulting in high clarity and a deep blue color. Water molecules absorb longer, visible wavelengths (e.g. red light, 600-700 nm) while shorter, blue wavelengths (< 500 nm) pass deeper into the water column.
But the country is also famous for having the clearest lake in the world! Blue Lake has underwater visibility up to 70 to 80 meters or 230 to 260 feet down, which is insane! Apart from being the world's clearest lake, it's also the clearest body of natural freshwater.
Distilled water is the PUREST drinking water possible.Many people are under the false impression that their tap water, and even bottled water and water produced by home filtration systems is pure. It isn't. Tap water is loaded with many types of suspended pollutants, chemicals, toxins and other contaminants.
Lake Annecy, FranceLocated in the Haute-Savoie department, which borders Italy and Switzerland, Lake Annecy is a pristine body of water that's often called the cleanest lake in Europe, thanks to strict environmental regulations set in place in the 1960s.
Blue Lake Regional ParkIt provides many wonderful opportunities for boating, fishing and swimming, and makes a beautiful backdrop for hundreds of family picnics, community events and special programs throughout the year.
Marine and freshwater beaches, lakes, rivers, and ponds can be contaminated with a number of things. Bacteria, chemicals, and other pollutants from sewage bypasses, combined sewer overflows, human and animal feces, urban runoff – can all pollute and contaminate waterways.
Blue Lake's constant high-volume flow of clear springwater provides underwater visibility of up to 60 feet (18 m) at (rare) times, and year-round bottom temperatures of approximately 85 °F (29 °C).
1. Blue Lake, New Zealand. The Blue Lake is the clearest lake in the world. New Zealand is well-known for its natural beauty, with mountainous terrains surrounding crystal clear lakes whenever you hop out of the city.