Why is the Umngot river so clear?
Why is the Umngot river so clear? The tributaries which flow from both the East Khasi and West Jañtia hills do not bring any human waste to the river and that makes the river clean throughout. Umngot is indeed one unique river and there are many elements which contribute towards making the river's water crystal clear.
Are UK rivers clean enough to swim in?
Sewage spills and agricultural pollution are the leading causes of dirty rivers. And the latest figures are alarming: only 14% of England's rivers are classified as being of 'good' ecological status, according to a government report published in January 2022.
Is the Thames still polluted?
Despite the stubborn perception that the river is dirty and lifeless, this is no longer the case. The Thames is currently one of the cleanest city waterways in the world.