Gabriel Lade, Macalester College

About 23 million U.S. households depend on private wells as their primary drinking water source. These homeowners are entirely responsible for ensuring that the water from their wells is safe for human consumption.

Multiple studies show that, at best, half of private well owners are testing with any frequency, and very few households test once or more yearly, as public health officials recommend. Even in Iowa, which has some of the strongest state-level policies for protecting private well users, state funds for free private water quality testing regularly go unspent.

Is the water these households are drinking safe? There’s not much systematic evidence, but the risks may be large.

The U.S. Environmental Protection Agency still relies on a 15-year-old study showing that among 2,000 households, 1 in 5 households’ well water contained at least one contaminant at levels above the thresholds that public water systems must meet. While other researchers have studied this issue, most rely on limited data or data collected over decades to draw conclusions.

I’m an economist studying energy and agriculture issues. In a recent study, I worked with colleagues at Iowa State University, the University of Massachusetts Amherst and Cornell University to understand drinking water-related behaviors and perceptions of households that use private wells. We focused on rural Iowa, where runoff from agricultural production regularly contaminates public and private drinking water sources.

We found that few households followed public health guidance on testing their well water, but a simple intervention – sending them basic information about drinking water hazards and easy-to-use testing materials – increased testing rates. The burden of dealing with contamination, however, falls largely on individual households.

Nitrate risks

We focused on nitrate, one of the main well water pollutants in rural areas. Major sources include chemical fertilizers, animal waste and human sewage.

Drinking water that contains nitrate can harm human health. Using contaminated water to prepare infant formula can cause “blue baby syndrome,” a condition in which infants’ hands and lips turn bluish because nitrate interferes with oxygen transport in the babies’ blood. Severe cases can cause lethargy, seizures and even death. The EPA limits nitrate levels in public water systems to 10 milligrams per liter to prevent this effect.

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Studies have also found that for people of all ages, drinking water with low nitrate concentrations over long periods of time is strongly associated with chronic health diseases, including colorectal cancer and thyroid disease, as well as neural tube defects in developing fetuses.

Nitrate pollution is pervasive across the continental U.S. Fortunately, it is relatively easy to determine whether water contains unsafe nitrate concentrations. Test strips, similar to those used in swimming pools, are cheap and readily available.

The water’s fine … or not

Mailing lists of households with private wells are hard to come by, so for our study we digitized over 22,000 addresses using maps from 14 Iowa counties. We targeted counties where public water systems had struggled to meet EPA safety standards for nitrate in drinking water, and where private wells that had been tested over the past 20 years showed nitrate concentrations at concerning levels.

We received responses from over half of the households we surveyed. Of those, just over 8,100 (37%) used private wells.

Although the Centers for Disease Control and Prevention recommends testing annually for nitrate, just 9% of these households had tested their water quality in the past year.

More concerning, 40% of this group used their wells for drinking water, had not tested it in the past year, and did not filter the water or use other sources such as bottled water. They were drinking straight from the tap without knowing whether their water was safe.

Our survey also showed that, despite living in high-risk areas, 77% of households classified their well water quality as “good” or “great.” This may be driven by a “not in my backyard” mentality. Households in our survey were more likely to agree with the statement that nitrate is a problem in the state of Iowa than to perceive nitrates as a problem in their local area.

Climate change is likely to worsen nitrate contamination in well water. In regions including the Great Lakes basin, increases in heavy rainfall are projected to carry rising amounts of nutrients from farmlands into waterways and groundwater. https://www.youtube.com/embed/yDaaIo3JBNw?wmode=transparent&start=0 Nitrate contamination is often thought of as a rural problem, but in California it also has shown up in urban areas.

Providing information and tools helps

To see whether education and access to testing materials could change views about well water, we sent a mailer containing a nitrate test strip, information about risks associated with nitrate in drinking water, and contact information for a free water quality testing program run by the state of Iowa to a random 50% of respondents from our first survey. We then resurveyed all households, whether or not they received the mailer.

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Over 40% of households that received test strips reported that they had tested their water, compared with 24% of those that did not receive the mailer. The number of respondents who reported using Iowa’s free testing program also increased, from 10% to 13%, a small but statistically meaningful impact.

Less encouragingly, households that received the mailer were no more likely to report filtering or avoiding their water than those that did not receive the mailer.

Households bear the burden

Our results show that lack of information makes people less likely to test their well water for nitrate or other contaminants. At least for nitrate, helping households overcome this barrier is cheap. We asked respondents about their willingness to pay for the program and found that the average household was willing to pay as much as US$13 for a program that would cost the state roughly $5 to implement.

However, we could not determine whether our outreach decreased households’ exposure to contaminated drinking water. It’s also not clear whether people would be as willing to test their well water in states such as Wisconsin or Oregon, where testing would cost them up to a few hundred dollars.

As of 2024, just 24 states offered well water testing kits for at least one contaminant that were free or cost $100 or less. And while most states offer information about well water safety, some simply post a brochure online.

The upshot is that rural households are bearing the costs associated with unsafe well water, either through health care burdens or spending for treatment and testing. Policymakers have been slow to address the main source of this problem: nitrate pollution from agriculture.

In one exception, state agencies in southeastern Minnesota are providing free well water quality testing and offering a few households filtration systems in cases where their wells are laden with nitrate from local agricultural sources. However, this effort began only after environmental advocates petitioned the EPA.

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If state and federal agencies tracked more systematically the costs to households of dealing with contaminated water, the scale of the burden would be clearer. Government agencies could use this information in cost-benefit assessments of conservation programs.

On a broader scale, I agree with experts who have called for rethinking agricultural policies that encourage expanding crops associated with high nutrient pollution, such as corn. More restoration of wetlands and prairies, which filter nutrients from surface water, could also help. Finally, while the Environmental Protection Agency can’t force well owners to test or treat their water, it could provide better support for households when pollutants turn up in their drinking water.

Gabriel Lade, Associate Professor of Economics, Macalester College

This article is republished from The Conversation under a Creative Commons license. Read the original article.

STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.

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October 17 marks an important celebration for lovers of literature and culture enthusiasts alike: Black Poetry Day. This day is a tribute to the contributions of Black poets and writers who have enriched the tapestry of American literary history. From the powerful verses of past luminaries to the vibrant voices of contemporary writers, Black poetry offers a window into diverse experiences, struggles, triumphs, and dreams.

This year, we’re excited to present a variety of opportunities to dive into the world of Black poetry. Whether you’re a seasoned poetry aficionado or a curious newcomer, there’s something for everyone to enjoy and explore.

Start your celebration with virtual exhibits and podcasts featuring insightful discussions on the history and influence of Black poets. These digital resources provide a deeper understanding of the cultural and social contexts that shaped—and continue to shape—Black poetry.

Expand your reading list with recommended works from both established and emerging Black poets. Whether you gravitate towards the radiant wisdom of Maya Angelou, the searing social critiques of Langston Hughes, or the innovative expressions of contemporary voices like Danez Smith, there’s an abundance of incredible work to discover.

Don’t miss out on poetry performances, either! Virtual events offer an opportunity to experience the emotional resonance and dynamic delivery that are hallmarks of spoken word poetry. Listening to poetry read aloud can be a transformative experience, bringing the words to life in powerful ways.

Celebrating Black Poetry Day

Remember, this list is just a starting point. Explore further, attend events, share your discoveries, and most importantly, engage with the community. We invite you to leave a comment sharing your favorite Black poets and poems. Let’s celebrate the richness of Black poetry together and honor the voices that continue to inspire and challenge us.

Happy Black Poetry Day!

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https://stmdailynews.com/the-bridge

Bedassa Tadesse, University of Minnesota Duluth and Roger White, Whittier College

In nearly every country that hosts foreign-born citizens, immigration emerges as a lightning rod for controversy. The economic realities of immigration, however, are far more complex than the negative sound bites suggest.

Far from being a burden, as critics claim, immigrants play pivotal roles in driving innovation, enhancing productivity and fostering economic growth in their adopted countries. They also elevate their adopted and origin countries’ standings in global value chains, contributing to economic resilience.

We are economists who study global trade and migration, and our recent work reveals that immigrants contribute far more to the economic fabric of nations than previously understood.

By facilitating what’s known as “trade in value added,” or TiVA, immigrants play a crucial role in helping countries specialize their production, move up the value chain and significantly enhance trade sophistication.

Moving up the value chain means progressing from producing basic, low-value goods to more complex, higher-value products. This shift involves improving skills, technology and production techniques, allowing a country to capture more economic value and develop advanced industries.

So, what exactly is trade in value added, and why is it important?

In today’s global economy, products are rarely made entirely in one country. Instead, different stages of production occur across multiple nations. TiVA measures each country’s contribution to a final product, providing clearer insight into global value chains. For instance, while an iPhone may be assembled in China, its components come from various countries, each adding value.

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Measuring the effect on global value chains

Our study found that a 10% increase in immigrants from a particular country residing in one of the 38 Organization for Economic Cooperation and Development member states leads to a 2.08% increase in the value added from their home country that becomes embedded in their host country’s exports to the world.

This effect was strongest in the services sector, followed closely by agriculture and manufacturing.

To understand how this works, consider Indian software engineers in Silicon Valley. Their understanding of the U.S. tech industry and India’s IT sector can lead to partnerships. These partnerships lead to Indian firms providing specialized coding services for American tech giants. The result? Higher-value U.S. tech exports that incorporate Indian expertise. This perfectly illustrates how immigrants boost trade in value added.

Or take Chinese immigrants in Italy’s fashion industry. Their cultural knowledge might help Italian luxury brands tailor products for the Chinese market and connect Italian designers with highly skilled textile workers in China. The result? Italian fashion exports incorporate Chinese craftsmanship, elevating both countries’ global fashion value chain positions.

Our findings show that immigrants are pivotal bridges in global trade networks. They leverage their unique knowledge, skills and connections to strengthen economic bonds between nations. That’s in line with previous research showing the significant role immigrants play in fostering bilateral trade.

Why immigration matters in the global economy

In an era of increasing skepticism toward globalization and migration, understanding the positive economic impacts of immigration is crucial. Our current and previous research, and the findings from related studies, indicate that rather than “stealing jobs,” immigrants often create value and new economic opportunities that might not otherwise exist.

Immigrants bring diverse skills, knowledge and networks to their host countries that can enhance innovation, fill labor shortages and open new market opportunities. They often possess unique insights into their home country markets, helping host country firms navigate cultural nuances and business practices that might otherwise pose trade barriers. https://www.youtube.com/embed/RZKX-0SK41U?wmode=transparent&start=0

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For home countries, emigrants can serve as cultural ambassadors, creating awareness, showcasing products and services, and helping to integrate their homeland into global value chains. They may also contribute to knowledge transfer, investment flows and business connections that boost their home and host countries’ economic development.

Moreover, immigrants’ ability to enhance trade in value added suggests they play a role in moving countries up the economic value chain. Rather than simply facilitating trade in raw materials or essential manufactured goods, immigrants appear to boost trade in more sophisticated, higher-value products and services. This is crucial for economic development, as countries that position themselves higher in global value chains tend to see bigger benefits.

Rethinking immigration and trade policies

Our observations have important implications for both immigration and trade. For one, they suggest that restrictive immigration policies might have unintended consequences, hindering a country’s trade performance and position in global value chains. Countries that want to become more economically competitive might consider more open immigration policies.

What’s more, our research indicates that immigrants’ economic benefits extend beyond the often-cited labor-market and fiscal impacts – in other words, having more workers who pay more taxes.

The evidence suggests policymakers should take a more holistic view of immigration’s economic effects, considering its role in facilitating sophisticated international trade and value creation.

Our results also align with previous research highlighting the potential value of workforce diversity for businesses, particularly for firms engaged in international trade. Employees from diverse national backgrounds can bring valuable insights and connections that help their companies navigate global markets and value chains.

It’s worth noting that immigrants’ impact on trade in value added varies across countries and sectors. This suggests that rather than one-size-fits-all approaches, targeted policies might most effectively leverage immigration for economic benefit.

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Maximizing immigration’s positive impacts on trade and value chains also requires supportive policies and institutions that allow immigrants to use their skills and networks fully. These might include programs to assist with economic integration, language training, credential recognition and support for immigrant entrepreneurship.

A new perspective on immigration

As the global economy continues to evolve, with value chains becoming ever more complex and interconnected, the role of immigrants as facilitators of trade and value creation is likely to grow even more significant. Countries that recognize and leverage this potential stand to gain a competitive edge in the global marketplace.

Our research paints a picture of immigrants not as economic burdens but as valuable assets who enhance their host and home countries’ positions in the global economy. By making sophisticated trade linkages possible, and by boosting participation in global value chains, immigrants contribute to economic growth and development in ways that go far beyond conventional understanding.

As debates around immigration continue, it’s crucial to move beyond simplistic narratives and recognize the complex and often subtle ways that immigrants contribute to prosperity. In an interconnected world, immigrants aren’t just crossing borders – they are helping to weave the fabric of global trade and value creation.

Bedassa Tadesse, Professor of Economics, University of Minnesota Duluth and Roger White, Professor of Economics, Whittier College

This article is republished from The Conversation under a Creative Commons license. Read the original article.

The Bridge is a section of the STM Daily News Blog meant for diversity, offering real news stories about bona fide community efforts to perpetuate a greater good. The purpose of The Bridge is to connect the divides that separate us, fostering understanding and empathy among different groups. By highlighting positive initiatives and inspirational actions, The Bridge aims to create a sense of unity and shared purpose. This section brings to light stories of individuals and organizations working tirelessly to promote inclusivity, equality, and mutual respect. Through these narratives, readers are encouraged to appreciate the richness of diverse perspectives and to participate actively in building stronger, more cohesive communities.

https://stmdailynews.com/the-bridge

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STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.

https://stmdailynews.com/