Pacific Seafoods' so-called "sustainable" fish farming facilities in violation of Clean Water Act permits daily since at ...

Colville Tribe, Teck go to court over Columbia River pollution . Originally published August 12, 2012 at 8:20 pm Updated August 12, 2012 at 10:31 pm ...

Laying the groundwork a cleaner Columbia River, the Environmental Protection Agency on Thursday released a new "action plan" to reduce toxic pollution. The plan, devised by a working group ...

Regulators need more stringent water quality standards to protect the Columbia River from toxic pollution, a group led by the U.S. Environmental Protection Agency says in a proposed "toxics ...

The Columbia River faces many pollution threats, including from mining. Two reports have found that a tailings dam at British Columbia’s Copper Mountain, ...

ALONG THE COLUMBIA RIVER — James Kiona stands on a rocky ledge overlooking Lyle Falls where the water froths and rushes through steep canyon walls just before merging with the Columbia River ...

Oregon tribes, state agencies, farmers and ranchers are getting more than $31 million from the federal government to reduce toxic pollution in the Columbia River and its tributaries.

Stormwater washing off roads and air pollution from industry are two possible sources of microplastics in the Columbia River Basin such as here at Kalama, Wash. Researchers with Portland State ...

Group accuses Corps of illegal pollutant discharges in Columbia River from three dams Lubricants, heated water harm salmon and other species, lawsuit says (Reuters) - Environmentalists on ...

HOOD RIVER, Ore. — Braced against high winds, Rachael Pecore waded hip deep into the Columbia River carrying two 100-milliliter jars and an itch to solve the 20-year mystery of “river nose.” ...

Government reaches agreement with Canadian company that is the world's largest zinc producer on paying for a study of heavy-metal pollution in the Columbia River.