Minnesota is giving its water quality standards a fresh look. With public input in their hands, officials are under pressure to add language about nitrate levels, a move some said is long overdue.
Nitrate pollution is often tied to farm runoff containing fertilizers and animal waste. There are standards for drinking water but conservation groups want a nitrate standard for lakes and rivers.
Trevor Russell, water program director for Friends of the Mississippi River, said the effort has been building for more than 15 years but final action has been hard to come by. While it is difficult to keep waterways perfectly clean, he pointed out it is helpful to have scientific thresholds.
"We want them to be relatively healthy for fish and other aquatic life," Russell explained. "That's what we're managing for when you set a water quality standard."
His group was encouraged to see wording on the topic in a draft proposal. Russell hopes the Minnesota Pollution Control Agency can hold off political pushback and not exclude it from the final plan. Public comment just wrapped up and the plan will soon be sent for federal review.
Minnesota has been aggressive in other ways to curb nitrate pollution, for which Russell gives the state credit.
The farming sector might not be overjoyed at the potential of a new nitrate standard but Russell noted many producers have joined the movement to limit their runoff. Still, he said even with actions like these, getting the problem under control will not be easy.
"About 15% of nitrogen application to Minnesota's farm fields is going to run off into our waters no matter what farmers do," Russell acknowledged. "It is the nature of nitrate and it is the risk that comes with our reliance on summer annual cropping systems that need to be fertilized."
If a nitrate standard is included, Russell emphasized Minnesota has a robust monitoring system in place to detect excessive levels, spurring a likely cleanup response. The Minnesota Pollution Control Agency said updating the standards is required every three years. It also covers bacteria, which can make the water unsafe for swimming, as well as so-called "forever chemicals" from industrial waste.
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"Don't go into the water" is a warning Illinoisans may want to heed. A 2024 study released this week found all state-border beaches on Lake Michigan last year had evidence of contamination.
Findings from the Safe in Swimming report indicate these conditions could cause serious gastrointestinal and respiratory ailments. The data show bacteria levels were well above the EPA's "Beach Action Value" water quality standards. These guidelines help determine advisories and closures.
Emily Kowalski, outreach and engagement manager for the Environment Illinois Research and Education Center, explained the odds of exposure.
"One hundred percent of those beaches had potentially unsafe levels of fecal indicator bacteria at least one day in 2024, meaning that swimmers were potentially at risk," she said.
A water sample exceeding acceptable BAV standards increases the chances of a higher illness rate among swimmers. The study shows 71% of Great Lakes beaches had at least one potentially unsafe test day. Three beaches in Cook County had the highest degrees of dirty water - Winnetka Lloyd Park had the highest at 21. Glencoe Park and Montrose beaches had 14 days each.
The study identified runoff from paved streets and parking lots, and overflow from outdated, bacteria-encrusted sewage systems as harmful contributors. Livestock waste from concentrated animal feeding operations, or CAFOs, is another source.
Human contact with water tainted by manure could cause an E. coli infection. Kowalski suggested the environment could be one solution to interrupt the pathogen flow.
"Investing in nature-based solutions, green infrastructure, but also the repair needed in aging sewage systems nationally," she continued.
An estimated 57 million Americans experience nausea, diarrhea, ear and eye infections, and skin rashes after swimming in polluted waters. Kowalski adds the EPA estimates a price tag of $630 billion over 20 years will be needed to address sewage runoff and other wastewater problems nationwide.
Illinoisans can check the status of their favorite beach at Chicago Park District Beaches website.
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Following last year's historic drought in Montana and hot temperatures early this spring, the Blackfoot River is running at roughly 25% of normal water levels.
Water rights have shifted some this year but experts said management will continue to be community-driven.
Clancy Jandreau, Blackfoot water steward for the nonprofit group Blackfoot Challenge, said the river's fish population declined in the late 1980s and early 90s, but there has also been a long history of restoration efforts. The new Blackfoot Drought Response Plan, updated in April, helps build on those efforts, Jandreau noted.
"We really wanted to more explicitly recognize that habitat restoration efforts that improve fisheries can in and of itself be a response to drought, as it builds resilient fisheries," Jandreau explained.
The new plan also incorporates deferred changes from the 2015 Montana Water Rights Compact, in which the Confederated Salish and Kootenai Tribes and Montana Fish, Wildlife and Parks became co-owners of a water right historically associated with hydropower production.
During a dry summer like this one, Jandreau pointed out the drought plan encourages a "shared sacrifice for shared benefit" model, in which irrigators, anglers and other water users voluntarily reduce their effects on the resource.
"Everybody's going to be seeking the refuge of the river over this summer," Jandreau added. "That includes humans and wildlife. So just doing their best to be aware of that and being responsible and ethical recreators this summer out there on the river."
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Because of drought and failing infrastructure, the state of Texas will run out of water by 2030, according to the Texas Water Development Board.
But two new pieces of legislation are on the books that are designed to address the state's water shortage.
Senate Bill 7 and House Joint Resolution 7 would allocate $20 billion for infrastructure improvements and new projects.
Agriculture Commissioner Sid Miller said he's been trying to get lawmakers to address the state's water crisis for 10 years.
"We completely lost our sugar cane industry because - no water," said Miller. "We've brought it to light that Mexico is not paying their water bill with our treaty on the Rio Grande, so that was brought to light. We've got a drought over half the state of Texas."
An increase in population has also contributed to the state's water woes.
JR 7 would authorize the state to use $1 billion a year from sales tax revenue for the water projects. The resolution must be approved by voters in November.
If the amendment is approved, the projects and funds will be overseen by the Texas Water Development Board. Miller said in the meantime, the state needs to do a better job at managing the water it has.
"We spend millions and millions of dollars on stormwater drainage, getting rid of excess water when it rains," said Miller. "We need to capture that water and use it. We need to capture the water out of these water treatment plants. I'm not advocating that we drink it but, my farmers sure would like to irrigate with it."
Miller said the state can also benefit from rainwater harvesting. He added that up to 70% of the state's water is lost, as it's transported to various municipalities because of old, worn-out infrastructure.
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