What percentage of rivers and lakes are polluted?

Nearly 40 percent of lakes, rivers and streams in the United States are too dirty for fishing and swimming in spite of major federal efforts to combat water pollution, the Environmental Protection Agency reported in a two-year study released Thursday.

How many rivers in China are polluted?

More than 70% of the rivers and lakes are polluted. 59.6% of underground water cannot be used directly for drinking because of pollution. 55% of China’s 50,000 rivers that existed in the 1990s have disappeared. China has more than 400 cities short of water, some 110 of which are facing severe scarcity.

What percentage of rivers are polluted?

About 10% of America’s beaches fail to meet the federal benchmark for what constitutes safe swimming water. “Federal authorities estimate that the headwaters of 40 percent of Western rivers are tainted with toxic discharge from abandoned mines.”

Why are China’s rivers so polluted?

China’s water supply has been contaminated by the dumping of toxic human and industrial waste. Pollution-induced algae blooms cause the surface of China’s lakes to turn a bright green, but greater problems may lurk beneath the surface; groundwater in 90 percent of China’s cities is contaminated.

Do most lakes have fish?

Some of the most common fish found in lakes are tiny shiners, sunfish, perch, bass, crappie, muskie, walleye, perch, lake trout, pike, eels, catfish, salmon, and sturgeon. Many of these provide food for people. Lakes are an important part of the water cycle; they are where all the water in an area collects.

What country has the largest water pollution?

India is the world’s most polluted country and, as such, its most important river is no less so. The Ganges has become a big waste dump over which animals and human bodies are incinerated, and thousands upon thousands of pilgrims bathe to cleanse their sins.

Can you drink tap water China?

While water quality is improving, drinking tap water still isn’t recommended in China due to the presence of pollution and natural contamination of water supplies. Bottled water is readily available in China and is usually very cheap, but for environmental reasons, consider other options to save on plastic waste.

How many rivers and lakes are polluted in China?

More than 70 per cent of China’s rivers and lakes are polluted, government reports have said. Here, a Chinese worker cleans up a stream polluted after an oil pipeline to a Beijing factory burst in 2012. One day in late February last year, Ma Jun’s home phone started ringing and didn’t stop.

Why is the quality of water in China so bad?

The quality of groundwater or surface water is a major problem in China, be it because of man-made water pollution or natural contamination. China’s extraordinary economic growth, industrialization, and urbanization, coupled with inadequate investment in basic water supply and treatment infrastructure, has resulted in widespread water pollution.

What kind of water resources does China have?

The development or diversion of major transboundary rivers originating in China, such as the Brahmaputra River and the Mekong River, could be a source on tension with China’s neighbors. For example, after building two dams upstream, China is building at least three more on the Mekong, inflaming passions in Vietnam, Laos, Cambodia and Thailand.

What is the water quality of the Yangtze River?

1 The Pearl River and the Yangtze River had “good water quality”; 2 The Songhua River was “slightly polluted” (it was “moderately polluted” in 2006); 3 The Liaohe River, the Huai River, and the Yellow River were “moderately polluted” (another translation says they “had poor water quality”); and