yes
It is still dirty enough for the dolphins not having come back.
They get from dirty or clean river sides.
never was it clean it is so dirty you cant see throw 1 feet of water which is dangerous because of piranha
Potomac River
it provides clean hydroelectric energy, fresh water, and it is a renewable source
The Columbia River is the major river in Washington.
a dirty river is a dirty river! it means nothing.
Dirty water verses clean water
Columbia river
Columbia River
The Columbia River originates in British Columbia