Roadless rule helps protect clean drinking water for 25 million Americans, new study shows
Our take
The University of Washington’s latest study confirming the critical role of the 2001 roadless rule in safeguarding clean drinking water for millions is a stark reminder of the interconnectedness between environmental protection and human wellbeing. It’s easy to get caught up in the day-to-day, the classes, the side gigs—the "in-between moments" we Cougs know so well—but this research underscores the importance of advocating for policies that impact our long-term future. We’ve seen similar conversations around the need for thoughtful expansion and addressing needs for healthcare and impactful research [UW kicks off one-year study to explore expansion and address needs for health care, impactful research], and this study highlights another crucial area demanding attention. Protecting our natural resources isn’t just about preserving pretty landscapes; it’s about ensuring access to essential resources and a healthy environment for everyone. Understanding the complexities of online education and its potential to reach wider audiences [Western Governors President on the State of Online Ed] also highlights a shift in how we approach accessibility – a parallel we can draw to ensuring equitable access to clean water.
The study’s mapping of the rule’s protective effects is particularly compelling. It moves beyond theoretical arguments about conservation and provides concrete evidence of the tangible benefits – millions of people relying on these protected watersheds for their drinking water. Rescinding the roadless rule, as has been proposed in various forms, would be a reckless gamble with public health and ecological stability. It’s not about halting development entirely; it's about responsible land management that prioritizes long-term sustainability over short-term economic gains. The research also acknowledges the impact on biodiversity and outdoor recreation, both vital components of a thriving community and a healthy economy. It's a solid reminder that ecosystems are incredibly complex and interconnected, and disrupting one part – like road construction in sensitive watersheds – can have cascading consequences.
Beyond the immediate implications for water quality, this study speaks to a broader trend: the increasing need for scientifically-backed data to inform environmental policy. We need to move beyond anecdotal arguments and rely on the rigorous research being conducted by institutions like the University of Washington. Consider, for instance, the recent research highlighting inequities in air quality [June research highlights: Air quality inequity, ultrafast chemistry, cigar galaxy, more]. Similar data-driven approaches are essential for evaluating the true costs and benefits of environmental regulations. The “future me will thank me” mentality—a core value for us—demands that we make informed decisions today that protect resources for generations to come. It’s about being a responsible Coug, both on and off campus, and recognizing our role in safeguarding the environment.
Ultimately, the University of Washington’s findings should serve as a call to action. What proactive steps can communities and policymakers take to strengthen environmental protections and ensure access to clean water for all? We need to move beyond simply acknowledging the problem and actively advocate for solutions. The long-term health of our ecosystems, and the well-being of the communities that depend on them, are inextricably linked. And as our understanding of complex issues continues to evolve, it's more important than ever to remain engaged, informed, and ready to act.
Approximately 90% of the U.S. population relies on public water systems. A significant portion of the water supplying those systems comes from forested lands, which means that policies impacting forests also impact our water access.
In 2001, the Clinton administration passed the Roadless Area Conservation Rule, blocking 60 million acres of national forest land from development to limit industrial timber harvest and preserve forest ecosystems. Although popular with the public, the roadless rule drew immediate criticism from timber and related industries. Last summer, the federal government announced plans to rescind it.
A new study from the University of Washington and Conservation Science Partners, published July 15 in PLOS Water, highlights the potential consequences of losing those protections by mapping how the roadless rule protects rivers.
“The roadless rule supports the drinking water supply for 25 million Americans and offers critical protection of wildlife habitat and recreational assets. In short, rivers in roadless areas are essential for both people and nature,” said lead author Julian Olden, a UW professor of aquatic and fishery science.
To show how forests impact freshwater, the researchers looked at nearly 110,000 square miles of national forest representing 2,488 officially designated “roadless areas.” They cross-referenced the roadless areas map with a recent study assessing river protections nationwide to see where rivers and roadless areas overlap, and therefore which rivers were vulnerable to losing protection.
The researchers found that more than 80,000 miles of rivers in the continental U.S. receive some protection from the roadless rule. Of those protected segments, nearly 62,000 miles of river are protected by only the roadless rule. That water reaches 25 million people across the country, often at downstream distances far from roadless areas.
Research shows that forested lands provide higher quality water because soil microbes and plant roots filter contaminants before water arrives at treatment facilities. Cleaner water requires less processing, reducing potential treatment costs for public utilities. Some water utilities are investing in watershed protection as a way to save money and limit chemical use as demand for water rises.
“Forest cover is well recognized for generating economic benefits by avoiding the large capital costs of water treatment plants needed to ensure clean, safe drinking water for people,” said Olden.
Roadless areas are also vital strongholds for sensitive aquatic species, Olden added. At-risk species such as the bull trout use protected habitat for spawning and raising young. Hunters and anglers also value roadless areas because they support such productive fish and wildlife habitat and offer unparalleled opportunities for outdoor recreation.
After the U.S. Agriculture Secretary Brooke Rollins announced the plan to rescind the roadless rule last year, more than half a million people submitted comments during the public comment period, which ended in September. According to the Center for Western Priorities, more than 99% of those comments expressed opposition to the plan.
Earlier this year, Republican lawmakers attempted to push the measure through by attaching it to the Wildfire Prevention Act, which supports prescribed burns and forest thinning to fight megafires. Their initial argument to justify clawing back protections claimed that rescinding the roadless rule would allow for better forest management, but most scientists disagree. Research shows that roadbuilding in formerly roadless areas is more likely to increase fire risk.
“To be clear, the rule does not block any management action that supports forest health, wildfire mitigation or recreation,” Olden said. “In fact, energy projects, transmission lines and mining development remain permitted within roadless areas.”
Roadbuilding and logging can cause sediment build up in lakes and rivers, which must be filtered out. Chemicals from construction can also end up in the water supply. Reductions in forest cover resulting from rescinding the roadless rule may compromise water quality in the U.S., among other negative consequences for animals and ecosystems.
The U.S. Forest Service says it is reviewing public comments and plans to publish a proposed rule and draft statement of environmental impact this year.
“Any decision to rescind or downgrade the roadless rule that may put forested lands at risk requires careful consideration of the numerous benefits they offer to people and nature,” said Olden. “Our study offers data to inform such decisions.”
This study was funded by the University of Washington and from a contract from American Rivers to Conservation Science Partners.
For more information, contact Olden at olden@uw.edu.
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