A sweeping study of sediment-borne toxic metals and insect populations in more than 150 streams across the Western U.S. gives watchdogs a guidepost for evaluating whether metals are bothering the bugs in their streams.

Two recent federal reports on the Chesapeake Bay document poor water quality thanks to contaminated sediment with little sign of recent improvement, according to Chesapeake Bay News.

After 10 inches of rain fell on Minnesota’s Sucker River over just 24 hours, a massive flood put a natural stream restoration there to the test.

A draft report from the U.S. Global Change Research Program indicates the midwestern U.S. will begin to experience more effects from climate change, according to a release from the University of Michigan.

When it comes to determining the length of a fish, a recent study suggests that advanced sonar technology may be about as reliable as fishermen themselves.

Pollutant discharge into Great Lakes Basin surface waters increased by 12 percent from 2010 to 2011, according to a U.S. Environmental Protection Agency report.

A study led by the University of Colorado indicates invasive species may provide some unforeseen benefits, according to a release.

A University of California Davis study has found that those dumping pet fish into waterways may be contributing to the spread of invasive species downstream, according to a release.

A 20-year study of small watersheds across Wisconsin shows that conservation measures taken by farmers can play an important role in improving water quality.

Researchers at Auburn University have gotten the go-ahead from the town of Orange Beach, Ala., to see if there are residual effects from the Deepwater Horizon oil spill on the town’s water, according to Gulf Coast News...