tributary

Anglers fear "hundreds" of young salmon may have been killed in a pollution incident on a tributary of the Derg River in County Tyrone.

From BBC ● May 6, 2026

The tributary of the Potomac River cutting across the land was called Tiber Creek after the river that flowed through the Eternal City.

From The Wall Street Journal ● Jan. 20, 2026

Cleanup teams are skimming and pumping oil from the tributary and deploying absorbent booms and pads to recover oil trapped along the creek bed.

From Los Angeles Times ● Nov. 20, 2025

In August, Chinese mine officials, accompanied by Zambian government officials, went door-to-door in the village of Sabina, near a tributary of the Kafue River, residents recalled in interviews.

From The Wall Street Journal ● Oct. 28, 2025

He made a brief excursion up the Bill Williams River, a tributary of the Colorado, then continued downstream through the Colorado River Indian Reservation, the Cibola National Wildlife Refuge, the Imperial National Wildlife Refuge.

From "Into the Wild" by Jon Krakauer

Producing rare earths requires heavy chemicals and can produce toxic waste, with cases including illegal operations polluting Mekong tributaries in Myanmar, Laos and Cambodia with arsenic and cadmium.

From Barron's ● Apr. 22, 2026

The Colorado River and its network of tributaries supply water to seven U.S. states and Mexico, supporting drinking water, farming, and hydropower.

From Science Daily ● Apr. 14, 2026

Khartoum, a metropolis of 7 million, sits at the confluence of tributaries, a sort of Pittsburgh-on-the-Nile.

From Los Angeles Times ● Apr. 12, 2026

Asian carp have taken over the Mississippi River and dozens of tributaries, where they have menaced native fish by eating much of their food.

From The Wall Street Journal ● Apr. 8, 2026

His face was noble; a face sculpted from an aggrieved aristocracy that was bleeding out through weak tributaries in the long delta of the twentieth century.

From "The Great Santini" by Pat Conroy