What is the least polluted river in USA?


What is the least polluted river in USA? The Smith River is the wildest and cleanest river in the country outside of Alaska — indeed, it is one of the cleanest rivers in the world. — The Smith is the only major undammed river in California.


What are the most 5 polluted rivers in the US?

The 5 Most Polluted Rivers in the US
  • The Ohio River. Manufacturers design steel-hulled boats to last for 20 years or more. ...
  • New River. The trouble at the U.S. southern border involves more than immigration. ...
  • The Mississippi River. ...
  • The Cuyahoga River. ...
  • The Delaware River.


What is the cleanest river in the US?

The Smith River is the wildest and cleanest river in the country outside of Alaska — indeed, it is one of the cleanest rivers in the world. — The Smith is the only major undammed river in California.


What is the most polluted lake in Europe?

Italy's Lugano and Maggiore were the most polluted in an international survey of 38 lakes.


What is the cleanest river in Europe?

For the cleanest water in Europe: The Lobau River, Austria Just east of Vienna, the Lobau River runs through the Donau-Auen National Park.