It is better to avoid.
Some reservoirs are simply not designed for swimming. Moreover, the fault here is not a strong current or the presence of sharks. Nature has created a much more dangerous waters that should not even touch. Offer you to know about them.
Rio Tinto, Spain. The river is dyed red, as if that warns of danger. All about high concentrations of copper and iron. Here, even the fish is not usual. The matter is that mining, which led to the pollution of the river.
Boiling lake, Dominica. The water temperature in the reservoir ranges from 82 to 91.5 °C. So, it is quite possible boil alive. With some animals this is what happens.
Citarum, Indonesia. Another river, spoiled by humanity. It was long used for agriculture, and for industrial purposes, and for water supply. The river looks like a real mess. If you value your health, it is not necessary to swim in it.
Kivu, Africa. This lake hides under the water 250 km3 of carbon dioxide and about 65 km3 of methane. It is located in the rift valley. Periodically, the lake is causing volcanic activity. The last eruption of the volcano in the area has led to the fact that the water in the reservoir is boiling and the fish is cooked alive.
Blue lagoon, UK. Looking at her, and wants to swim. However, much of this is not worth it. The fact that this color of water is required limestone rocks, which the water’s pH is 11.3. Swimming here can cause irritation to the eyes and skin, fungal infections or stomach problems.
