The phrase "affects the river" is correct and usable in written English.
You can use it when discussing the impact of an action or event on the river's condition or ecosystem.
Example: "The construction project affects the river by altering its natural flow and habitat."
Alternatives: "impacts the river" or "influences the river".
Even so, the tide -- which affects the river all the way up to Albany -- has often carried him more than three miles upriver by the time he finishes pulling the nets up.
In the missive to the Eure prefect dated 15 July 1893, he wrote: "The pond poses a threat to no one and in no way adversely affects the river.
The results were compared with the guidelines of Bureau of Indian standards for drinking water specifications (BIS 10500).The study also identifies the pollutants of pharmaceutical industrial effluents before and after treatment that affects the river water quality.
There is a 400 metre subsidence along the Para Fault which also affects the rivers flow.
The spill affecting the river, the world, has been difficult for him to fathom, and he expects that the human toll will not be felt for another year.
In contrast, small-scale plants, which use much smaller quantities of water, can operate without heavily affecting the river flow, or disturbing the agriculture and wildlife around them.
No environmental factor affecting the river is more visible than the wave of development planned to invigorate riverfronts throughout the Hudson Valley.
Conversely, high spring tides can overtop the weir and affect the river flow as far as 2 miles (3.2 km) upstream of Teddington.
A retired Army officer, he has volunteered annually to help the Nature Conservancy and its partners determine how the prolonged drought in the Southwest and the depletion of aquifers from local use affect the river.
Argentina's Congress has voted to file a claim at the International Court of Justice, arguing that Uruguay breached a treaty obligation to consult before taking actions that would affect the river.
To figure out the best way to treat a polluted waterway, E.P.A. specialists rely on complex computer modeling to take into account all the possibilities and then predict how various alternatives would affect the river.
