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Wildfires are increasing toxic mercury in streams in Idaho, Oregon, Washington, study finds

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Wildfires are increasing toxic mercury in streams in Idaho, Oregon, Washington, study finds


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Wildfires have been burning across Idaho this summer, and their list of harmful impacts is long, from worsening health conditions because of smoke to challenges recovering millions in costs to fight them.

But a recent U.S. Geological Survey has added another bad side effect to the list: the rise of a toxic chemical.

The study, which took place between 2021 and 2022, sampled 57 streams at the beginning of river systems in Idaho, Oregon and Washington for mercury, a chemical that can damage the human nervous system at high concentrations. In both water and sediment from the streams, one-year post-fire, mercury concentrations were higher.

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Concentrations of methylmercury, the most toxic form of mercury that’s made when microbes add carbon to mercury, were also 178% higher in water from burned streams. Insects that filtered stream water or ate debris also had higher levels. The compound becomes dangerous as it accumulates in animals over time and gets absorbed by tissues in the body, according to the World Health Organization.

“There hasn’t been a lot of work done on the effects of wildfire on mercury,” Austin Baldwin, a USGS research hydrologist who led the study, told the Idaho Statesman. “With wildfires increasing in both severity and frequency, there was interest with me and my co-authors on knowing what are the effects.”

Baldwin said that when wildfires come through an area, they burn vegetation, which loosens mercury-containing soil and causes erosion into streams and mercury contamination. More studies would need to be done to understand if mercury levels after wildfires are high enough to be a concern for humans, he added.

Mercury levels likely won’t stay high forever and will taper off with major rainfall or the first snow melt after the fire, Baldwin said.

While the best solution to keep mercury out of streams would be preventing wildfires, Baldwin thinks prescribed burns could help mitigate some of the effects. The USGS study found mercury concentrations went up more in areas where wildfires were worse.

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Prescribed burns, which are small fires set intentionally, can reduce the future risk of high-intensity fires by 64%, according to a study by Columbia and Stanford universities.

“If you can lower burn severities, you can also lower mercury,” Baldwin said.

When people are exposed to methylmercury, it often happens through fish consumption.

The Idaho Department of Health and Welfare’s Fish Consumption Advisory Project regularly tests fish in areas commonly contaminated with mercury. When mercury levels are too high in a species, the state agency issues advisories to avoid eating the species, said Drew Pendleton, the state toxicologist.

Many of the areas that cause fish advisories in Idaho are related to mining, and Pendleton is not “too concerned” about mercury increases from the wildfires. But the research could help inform the state on future sites for testing, he said.

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Pendleton recommends visiting the Center for Disease Control and Prevention and Health and Welfare websites to check for advisories on mercury exposure and learn the best methods to stay safe.

2024 The Idaho Statesman. Distributed by Tribune Content Agency, LLC.

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Wildfires are increasing toxic mercury in streams in Idaho, Oregon, Washington, study finds (2024, August 15)
retrieved 15 August 2024
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‘Unrelenting’: Statehouse reporters recap 2026 legislative session in Idaho Falls – East Idaho News

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‘Unrelenting’: Statehouse reporters recap 2026 legislative session in Idaho Falls – East Idaho News


IDAHO FALLS — Two prominent Idaho Statehouse reporters say this past legislative session was “unrelenting,” chaotic, largely driven by budget cuts, and they see the Legislature getting more powerful.

Kevin Richert and Clark Corbin recapped this past legislative session at a forum on the ISU Idaho Falls Campus on Thursday.

Richert is a senior reporter at Idaho Education News, with more than 30 years of experience covering education policy and politics. Corbin is a senior reporter at the Idaho Capital Sun who has covered every Idaho legislative session, gavel to gavel, since 2011.

The event was hosted by the City Club of Idaho Falls, which “exists to sponsor and promote civil dialogue and discourse on all matters of public interest” and strives to be “nonpartisan and nonsectarian,” according to its website.

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Budget cuts

Both Richert and Corbin said this session was driven by budget cuts. Corbin said this was due to a lack of revenue stemming from past income tax and the adoption of new federal tax cuts.

“Cuts for almost every state agency and state department dominated the legislative session,” Corbin said. “We’re talking about 4% budget cuts for most state agencies and departments in the current fiscal year, and we’re talking about an additional 5% budget cuts for almost all state agencies and departments starting next year — fiscal year ’27 — and continuing permanently.”

RELATED | Gov. Little signs so-called ‘crappy bill’ to cut state budget

Richert said he thought higher education was taking the brunt of budget cuts. “It’s not a question of whether tuition fees are going to go up at the universities; it’s a question of how much,” he said.

When asked what the future would hold, Corbin said the budget cuts aren’t likely to go away, and their effects will be felt over time.

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“There could always be a change of leadership in the House, but they do expect the budget crunch to continue in the next year’s legislative session,” Corbin said.

‘Radiator capping’

Richert said he has one word to describe this year’s legislative session: “unrelenting.”

One thing that made it feel that way was that some bills were recycled over and over, he said. For example, Richert said the Legislature saw five different versions of a bill that proposed cuts to the Idaho Digital Learning Alliance.

“We had multiple bills that came from the dead,” he said.

The journalists said this is partly due to a tactic called “radiator capping.” The term means to replace the entire car — the bill’s text, in political terms — while only keeping the radiator cap: the bill number. By rewriting a bill on the House or Senate floor while maintaining its number, failed bills can effectively bypass the committee process.

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“Those are the changes they tried to make on immigration bills, on union bills this year,” Corbin said. “It made it extremely difficult for the public to have any idea what was going on, to have any opportunity to participate in the legislative process and share their opinions.

A more powerful, more chaotic Legislature

Richert said Idaho’s annual legislative sessions are trending longer, commonly going into the early part of April, and producing a record number of bills.

“There are rumblings that this Legislature, as a body, is wanting to expand its reach over more and have even more power over the other branches of government to the point of — are we trending towards more of a full-time professional legislature?” Richert said. “We’re a long way from there.”

“The legislative branch of government, particularly the Idaho House of Representatives, is the most powerful I’ve seen it in 16 years of covering state government,” Corbin said.

He added that this year’s legislative session was unlike any he’s experienced.

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“The overall temperature in the building was bad,” Corbin said. “It was divisive. It was chaotic. People were not hiding their feelings of disgust for each other. These traditional ideas of decorum and respect very much fell by the wayside.”

Richert said Gov. Brad Little vetoed very few bills that came across his desk, and the ones he did weren’t high-profile.

RELATED | Idaho Gov. Brad Little issues 5 vetoes. Here are the bills affected

“I think the governor behaved like he was very concerned about the supermajority-controlled Legislature, and I think that that Legislature, in turn, asserted itself and took control of the agenda this year,” Corbin said.

Are legislators representing Idaho?

Corbin said some bills this year also focused on the LGBTQ+ community, such as a bathroom restriction for transgender individuals, and a bill that banned the City of Boise from waving a Pride flag.

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RELATED | Idaho governor signs bill to criminalize trans people using bathrooms that align with their identity

RELATED | Boise removes LGBTQ+ pride flag as Idaho governor signs bill to fine city for its display

When asked if these were what Idahoans wanted, Corbin said it doesn’t necessarily appear so to him, based on his review of Boise State University’s annual public policy survey.

“For years and years, I’ve heard concerns about affordability of housing, access to housing, managing the growth of the state of Idaho, having quality public schools available for our young people — that also generates a workforce pipeline for some of our businesses,” Corbin said. “I’ve heard about paying for wildfires. I’ve heard about having good roads, supporting access to public lands, public recreation, those are the concerns I hear from Idahoans.”

“But the Legislature spent a significant amount of time over the last two, three, four years placing additional restrictions on LGBTQ communities, placing restrictions on what teachers can and cannot teach in their classrooms, what school boards can and cannot do,” Corbin continued. “They talked about requiring a moment of silence every day to begin the public school day, where children could pray or read the Bible.”

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RELATED | Gov. Brad Little signs public school ‘moment of silence’ bill into law

Corbin said it may be his own opinion, but perhaps it is easier to “make a bunch of noise about what’s going wrong and (distract) people with social issues” rather than focus on harder issues that Idaho faces.

“I think what you saw on the policy space is a reflection of the fact that you had legislators thinking about reelection, and legislators with time on their hands — and that’s not always a good combination,” Richert said.

Accountability

When asked how people can keep legislators accountable, Corbin said it can be done by following the state Legislature through trusted news sources, going to community events and voting.

“This is a great year to practice accountability, because all 105 state legislators and all statewide elected officials are up for election this year,” he said.

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Idaho Lottery results: See winning numbers for Powerball, Pick 3 on April 18, 2026

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The results are in for the Idaho Lottery’s draw games on Saturday, April 18, 2026.

Here’s a look at winning numbers for each game on April 18.

Winning Powerball numbers from April 18 drawing

24-25-39-46-61, Powerball: 01, Power Play: 5

Check Powerball payouts and previous drawings here.

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Winning Pick 3 numbers from April 18 drawing

Day: 9-5-1

Night: 0-2-4

Check Pick 3 payouts and previous drawings here.

Winning Pick 4 numbers from April 18 drawing

Day: 4-6-0-4

Night: 9-9-8-2

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Check Pick 4 payouts and previous drawings here.

Winning Lotto America numbers from April 18 drawing

18-21-22-32-42, Star Ball: 10, ASB: 03

Check Lotto America payouts and previous drawings here.

Winning Idaho Cash numbers from April 18 drawing

08-19-22-31-44

Check Idaho Cash payouts and previous drawings here.

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Winning Millionaire for Life numbers from April 18 drawing

17-19-47-48-55, Bonus: 04

Check Millionaire for Life payouts and previous drawings here.

Feeling lucky? Explore the latest lottery news & results

When are the Idaho Lottery drawings held ?

  • Powerball: 8:59 p.m. MT Monday, Wednesday and Saturday.
  • Mega Millions: 9 p.m. MT on Tuesday and Friday.
  • Pick 3: 1:59 p.m. (Day) and 7:59 p.m. (Night) MT daily.
  • Pick 4: 1:59 p.m. (Day) and 7:59 p.m. (Night) MT daily.
  • Lucky For Life: 8:35 p.m. MT Monday and Thursday.
  • Lotto America: 9 p.m. MT on Monday, Wednesday and Saturday.
  • 5 Star Draw: 8 p.m. MT on Tuesday and Friday.
  • Idaho Cash: 8 p.m. MT daily.
  • Millionaire for Life: 9:15 p.m. MT daily.

This results page was generated automatically using information from TinBu and a template written and reviewed by a USA Today editor. You can send feedback using this form.



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League of Women Voters of Idaho partners to host candidate forums ahead of 2026 primary elections

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League of Women Voters of Idaho partners to host candidate forums ahead of 2026 primary elections


The rotunda as seen on March 16, 2026, at the Idaho State Capitol Building in Boise. (Photo by Pat Sutphin for the Idaho Capital Sun)

Ahead of the 2026 primary elections, the League of Women Voters of Idaho is teaming up with several local groups to hold candidate forums and voter education events in the hopes of boosting voter turnout.

The groups invited all candidates for public office in Ada and Canyon County’s commissions, and in legislative district 11, which is in Canyon County.

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The groups that are hosting include Mormon Women for Ethical Government, the Caldwell Chamber of Commerce, the American Association of University Women’s Boise branch and the College of Idaho’s Masters of Applied Public Policy Program.

Here’s when and where the forums are:

  • Ada County Commissioner District 2: 7-8:30 p.m. April 24 at Meridian City Hall, located at 33 E. Broadway Ave. in Meridian.
  • Ada County Commissioner District 1: 7-8:30 p.m. April 28 at Valley View Elementary School, located at 3555 N Milwaukee St. in Boise.
  • Legislative District 11: 6:30-8:30 p.m. April 30 at Caldwell City Hall, located at 205 S. 6th Ave. in Caldwell.
  • Canyon County Commissioner: 6-8 p.m. May 7 at Caldwell City Hall, 205 S. 6th Ave. in Caldwell.

Learn more about candidates at the League of Women Voters’ online voter guide, VOTE411.ORG

SUBSCRIBE: GET THE MORNING HEADLINES DELIVERED TO YOUR INBOX



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