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News / Northwest

The big problem in the Columbia River no one is talking about

A White Salmon man has spent years removing lead trash from the river. Now he wants to get others in on the action

By Don Campbell, Columbia Insight
Published: July 29, 2023, 6:05am
3 Photos
Catch of the day: It's easy to bring up lead weights from the Columbia River.
Catch of the day: It's easy to bring up lead weights from the Columbia River. (Columbia Insight) Photo Gallery

Archer Mayo holds a deep reverence for water. A windsurfer, scuba and free diver in the Columbia River Gorge, Mayo often swims with sturgeon, salmon, steelhead, lamprey and other inhabitants of the river.

As a salvage driver, Mayo also specializes in finding lost items. With his Underdog Dive Search/Recovery operation, based out of White Salmon, Wash., he’s spent years exploring the river and making other discoveries.

“Once I figured out that in certain places there are series of underwater cliffs that run parallel to the shore, I started free diving in the river,” Mayo, 54, tells Columbia Insight.

The experience has given him a deep knowledge of how the river runs and where its cliffs and odd geology exist—sand bars, pits and other dark, tough-to-access places.

These formations plague anglers who often get their lines hung up on crags, boulders and other rig-robbing outcrops.

“There’s almost never a time when [anglers] don’t lose a weight,” says Mayo.

Mayo’s knowledge comes in handy for the many people who’ve lost valuables in the river. When that happens, they often call him to take a dive to find their submerged items—fishing rods, skateboards, precious jewelry, prescription glasses, Rolex watches, cell phones, even bikes, boats and automobiles.

All of this has led to Mayo to a weighty discovery — lead.

Turns out, there’s lots of it in the Columbia River.

What began with Mayo finding pockets of lead fishing weights and sinkers has turned into a crusade. Mayo wants the lead—and its toxic effects—out of the Columbia River.

That’s because exposure to lead has the same poisonous effects on fish and other wildlife as it does on humans.

In its 2009 State of the River Report, the EPA identified four classes of toxic contaminants of major concern in the Columbia River Basin. They were mercury, polychlorinated biphenyls , DDT and polybrominated flame retardants.

Mayo believes lead (which the EPA report also mentioned as present in the river) deserves a spot on that list.

“Lead (Pb) is a highly toxic metal in aquatic environments,” according to a 2019 report published by the National Library of Medicine. “Fish are at the top of the food chain in most aquatic environments, and are the most susceptible to the toxic effects of Pb exposure.”

Among other problems, lead accumulation in fish tissues causes oxidative stress, which induces synaptic damage and neurotransmitter malfunction.

Lead ‘folk art’

“There are fishing weights from 12,000 years ago in the river,” says Mayo. “Indians would chip off basalt and tie it to cedar bark rope. It’s a necessary thing to get fish out of the river. A sinker is a wish for a fish. It’s like writing a note and sending it to heaven.”

Poetics aside, it’s the modern sinkers—ones made of lead—that have Mayo worried.

Since 2012, he’s done enough free diving that he can readily see the blue-green lead oxide.

“I know the physics of the rock where I can dig into silt and pull out handfuls,” he says.

But he’s not just finding the common type of weights you might buy in any bait and tackle shop. Car batteries, spark plugs and other metal are common in the river.

“There’s a vernacular all its own,” Mayo says. “People make their own weights. People use spark plugs as weights. They use tire weights. It’s really crude.”

At some point, he began collecting some of the more unusual pieces.

“I’ve become a connoisseur of folk art,” he says. “I save interesting ones. They don’t go away. A piece of lead thrown in the river in 1919 is still as much ‘there’ as one that went in last week.”

Lead isn’t the only trouble in the river. His dives can be perilous for other reasons.

Always armed with a knife or paramedic shears, Mayo says he’s gotten into terrifying trouble when he’s encountered heavy-test line and “ghost nets” (largely invisible, damaged or abandoned fishing nets that haunt the water) in which he’s found himself dangerously entangled.

Mayo dives for more than lead and salvage.

For the past five years he’s been trying to solve the infamous disappearance of the Martins, a Portland family of five who vanished with their family car in the Columbia River Gorge in 1958. Police speculated that the family’s car likely crashed into the Columbia River, though details were never fully explained. The vehicle was never recovered.

“It was the largest manhunt in the history of the [Oregon] at that point and is still a cold case with possible foul play,” says Archer. “The nice thing about these and other mysteries is almost anywhere I dive in the river I can be getting fishing lead out at the same time.”

How much lead?

When Mayo began diving in the Columbia River, he spent most of his time around Cascade Locks, Ore., and the Spring Creek National Fish Hatchery near Underwood, Wash., where he lives.

He says he’s pulled up some 700 pounds of lead sinkers out of the Spring Creek hatchery area alone, often 12 pounds at time in a free dive.

“I’ve seen how much lead there is,” he says. “It gives me a reason to dive.”

Mayo shows a photo of a large, three-pound weight and a slew of lesser but more abundant 16- and 8-ounce weights he’s pulled from an area near Cascade Locks.

He unscientifically guesses that “there’s easily 10,000 pounds of lead [in the area]. I’m not exaggerating. I could probably get more.”

While he doesn’t describe himself as an activist, Mayo says he’s handled so much lead in the Columbia that he sees it as a bellwether of the river’s health.

“I’m doing this for the awareness,” he says. “There’s a badness level, and [my diving] is doing something good.”

Mayo would like to see the creation of an incentivized market for lead salvage, as well as public events that would encourage people to help haul up the heavy bounty.

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To this end he’s hoping to begin an extraction program this fall that he’d like to call “Sinker Swim.”

He envisions the program as something similar to the Washington Fish & Wildlife Department’s Pikeminnow Sport-Reward Fishery Program, in which anglers on the Columbia and Snake Rivers are paid for each northern pikeminnow they catch from within program boundaries. (Northern pikeminnow are a native species that eat millions of juvenile salmon and steelhead each year in the Columbia and Snake River systems. The goal of the Pikeminnow Program isn’t to eradicate the fish, but to help salmon recovery by reducing the average size of northern pikeminnows by removing the larger fish from their population.)

Mayo also advocates for metallurgic alternatives to lead sinkers, including lead-free combinations of tin, bismuth, steel, ceramic and a tungsten-nickel alloy.

Since 1987, California has listed lead as a carcinogenic and reproductive toxin and has “banned the sale, manufacture and installation of lead wheel weights to help keep lead from leaching into water supplies and other parts of the environment,” according to the state’s Department of Toxic Substances Control.

Mayo says he’s approached the Columbia River Inter-Tribal Fish Commission (for whom he says he found and salvaged an $85,000 research vessel in 2019 that sank in turbulent weather in 2017) and the Washington Department of Fish and Wildlife about what could be done, but has gotten no official word back.

Still, Mayo is energized by his salvage and discovery efforts, and hopes others take heed.

“Lead,” he says, “is the low-hanging fruit.”

And there’s a lot more to harvest.


Don Campbell is a former editor and producer for Oregon Live and This Week. The Northwest native has written for People, The Oregonian, Oregon Business, Powder, Gorge magazine, The Independent, Portland Trail Blazers’ Rip City and many other publications and websites.

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