The ten most polluted lakes in the world

POLLUTED LAKES

LAKE POLLUTION IN ITALY

LAKES AND CLIMATE EMERGENCY

LAKE GARDA, VENETO, LOMBARDY, TRENTINO

In the municipality of Lazise in Veneto, the samples taken were negative. One detection was deemed polluted and another one even heavily polluted. Legambiente Veneto is working to monitor regional waters to prevent further problems from arising in the lakes.

For Garda the situation on the Lombard side is worsening. In fact, all the surveys carried out by Goletta and Legambiente in the area have reported a single and disappointing result, that is, values beyond the legal threshold and inserted into the worst category of pollutionHere, the water quality is compromised by the waterways that flow into the lake, contaminated by illegal dumping and polluting operations.

ALSO READ:  Valentina and Alfredo spent two months hunting for plastic in the ocean.

SMALL LAKE, PIEDMONT

In the eye of the storm, in Piedmont as in other regions of Italy, canals and estuaries always hide. These are the central conductors through which themicrobiological pollution, caused by poor purification or illegal discharges, reaches the lakes. And the Little Lake it is certainly the basin that pays the highest costs.

Il Lake Maggiore and lake Orta The surveys showed critical points with levels well above the legal limits. But not so serious as to prohibit bathing as happened with Lake Piccolo. The latter in fact has levels of Escherichia coli higher than the limits set by the Ministry of Health. The cause is the heavy pollution due to theirrigation with fertilizers of the peat bogs from Trana.

OWEN TARN, TANZANIA

The condition of watersheds in Tanzania is desperate. According to studies conducted by the Australian National University Owen Tarn e Basin Lake These would be the worst polluted lakes in the world. In fact, the analyses and research conducted not only refer to the exploitation of raw materials with decades of mining activities. But also with the presence and in large quantities of lead, cadmium, arsenic e Copper.

WAIKATO LAKES, NEW ZEALAND

In New Zealand there is a critical situation which sees the Waikato Among the most polluted in the world. Low water levels, the growth of toxin-producing algae, and polluting discharges have reduced the lake and many other nearby reservoirs to a dramatic state. Surveys conducted over the past 10 years have shown no improvement, and no serious measures appear to have been taken to restore the reservoir.

ALSO READ: Dirty beaches: 700 pieces of rubbish every 100 meters

LAKE KARACHAY, RUSSIA

The case is rather curious since it is one of the most radioactive lakes on the planet. karachai lake It is not only among the polluted lakes in the worst conditions, but it can transmit a lethal dose of radioactivity in just an hour.

Think that the seabed is covered with nuclear waste Used in the mid-900s by Russia to conduct experiments in a nuclear weapons production facility. This lake, which at first glance might seem captivating due to its surrounding scenery, has dramatically compromised the surrounding cities, air quality, water pollution levels, and, finally, has seen an increase in:

• 41% leukemia
• 25% of congenital diseases at birth
• 21% cancer

A location that is perhaps best not visited at all.

LAKE SOPRANO, SICILY

Nothing to do with the critical conditions of the lake near the Ural Mountains, in Russia, but the Soprano lake in Sicily it is characterized by poor management and a pollution which far exceeds the legal limit in the country. It's not the only reservoir on the island, but it's certainly the most glaring case. Legambiente has painted a far from pleasant picture, where the lake appears to be getting worse year after year.

ALSO READ: Microplastics in cosmetics: where they are found

BELLANDUR LAKE, INDIA

The lake, if it can still be called that, is one of the world's worst polluted bodies of water. The main problem arose from uncontrolled and unregulated urbanization. This led to the Bellandur becoming an open-air landfill. At times, the toxic foam that formed on the banks even caused it to burn, worsening the already disastrous situation.

LAKE VICTORIA, AFRICA

The world's largest tropical lake is also among the most polluted on the five continents. Its only tributary is the Nile, which already carries waste and refuse from the cities along its course. The situation is made worse by the way the population manages the lake. In particular, waste is dumped into the basin. household garbage, industrial processing waste, sewage discharges, chemical agents e fertilizers.

LAKE ONONGADA, NEW YORK

Concentrations of mercury Bathing, fishing, and any activity involving contact with water are prohibited. Furthermore, the lake has been used as a direct sewage dump for decades, without any filter or purifier. At the same time, high concentrations of heavy metals e toxic waste which condemn the basin to be one of the most dangerous polluted lakes.

LAKE BAIKAL, RUSSIA

The alarm was raised by biologists and researchers who highlighted 4 triggering factors:

• Mass tourism
• Climate change
• Less water flow for lack of glaciers
• Pollution for industrial waste

This Siberian wonder is at risk of sinking into the abyss due to pollution from tourists, dirt, metals in the water, and unsustainable environmental activities near the lake. As reported in a recent study, the lake is increasingly losing sponges, replaced by algae that release toxic substances. Furthermore, fish populations have been decimated, and their numbers are set to grow unless serious measures are taken.

TO KNOW MORE:

• Marine pollution: what to do to avoid it
• River pollution: this is where the plastic that ends up in our seas starts.
• Fishermen fight pollution: in Campania, they're fishing for waste, helping the environment.
• Ocean pollution: Slat launches its platforms to eliminate plastic. The Ocean Cleanup project (photos and video)