Water

Water Quality Monitoring

Endocrine Disrupters and Intersex Fish

Endocrine Disrupters and Intersex Fish

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Fish gender is far from straightforward. There are male fish, there are female fish, there are hermaphroditic fish, and then there are intersex fish—whose gender is altered by environmental influences.

In 2003 scientists first observed a concerning condition in which male fish had developed female eggs within their testes—a type of  … Read More

“Mildly Radioactive”

“Mildly Radioactive”

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Those of us concerned with surface water quality generally keep a wary eye on the amount of nutrients entering our lakes and rivers. Nitrogen and phosphorus from fertilizers—much of it from agricultural lands, some from urban stormwater runoff—are a big contributor to algae blooms and dead zones, and in high  … Read More

They’re Lurking in the Sand

They’re Lurking in the Sand

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Sometimes after a storm, and sometimes for no apparent reason at all, “Beach Closed” signs appear at popular beaches and tourist spots. Beachgoers have become accustomed to the signs, and most people—though not all of them—avoid swimming and surfing when those signs are posted. But many still enjoy sunbathing on  … Read More

Shaking it up and Shutting Wells Down

Shaking it up and Shutting Wells Down

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On Saturday at 7:02 am, a 5.6 magnitude earthquake shook an area northwest of Pawnee, Oklahoma, roughly 55 miles northwest of Tulsa. Within hours, Governor Mary Fallin declared a state of emergency and ordered the shutdown of 37 wastewater disposal wells in a 500 square miles area near the earthquake’s  … Read More

An Olympic-Sized Problem

An Olympic-Sized Problem

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In case we needed a reminder about why we try to control contaminants in our runoff, we need look no farther than Rio.

In beachfront communities where tourism is a big part of the economy, keeping the water clean and safe is not only a matter of public health but also  … Read More

Damage Control: Easing Customer Concern In the Wake of Flint

Damage Control: Easing Customer Concern In the Wake of Flint

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In the wake of devastating water contamination in Flint, Michigan and countless other lead violations across America, consumers are mistrustful of the tap water their municipalities provide—and rightly so.

We’re still learning the human cost of the water crisis in Flint. A recent investigation by USA Today identified almost 2,000 additional  … Read More


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