Tourists watch smoke from the Dragon Bravo wildfire float through the Grand Canyon. Scott Olson/Getty Images
Grand Canyon’s Dragon Bravo megafire shows the growing wildfire threat to water systems
Faith Kearns, Arizona State University As wildfire crews battled the Dragon Bravo Fire on the Grand Canyon’s North Rim in July 2025, the air turned toxic. A chlorine gas leak had erupted from the park’s water treatment facility as the building burned, forcing firefighters to pull back. The water treatment facility is part of a system that draws water from a fragile spring. It’s the only water source and system for the park facilities on both rims, including visitor lodging and park service housing. The fire also damaged some of the area’s water pipes and equipment, leaving fire crews to rely on a fleet of large water trucks to haul in water and raising concerns about contamination risks to the water system itself. By mid-August, Dragon Bravo was a “megafire,” having burned over 140,000 acres, and was one of the largest fires in Arizona history. It had destroyed more than 70 structures, including the iconic Grand Canyon Lodge, and sent smoke across the region.A National Park Service worker assesses a split in an exposed section of the Grand Canyon’s fragile water lines in 2014. The water pipeline, installed in the mid-1960s, feeds water from Roaring Springs, located approximately 3,500 feet below the North Rim.Grand Canyon National Park via Flickr Wildfires like this are increasingly affecting water supplies across the U.S. and creating a compounding crisis that experts in water, utilities and emergency management are only beginning to wrestle with.
A pattern across the West
Before 2017, when the Tubbs Fire burned through neighborhoods on the edge of Santa Rosa, California, most research on the nexus of wildfire and water had focused on issues such as drought and how climate change effects ecosystems. The Tubbs Fire destroyed thousands of buildings and also melted plastic water pipes. After the fire, a resident’s complaint about the taste and odor of tap water led to the discovery that the fire’s damage had introduced contaminants including benzene, a carcinogen, into parts of the public water system. It quickly became obvious that the damage discovered at the Tubbs Fire was not unique. Similar damage and pollutants were discovered in another California water system after the 2018 Camp Fire destroyed much of Paradise, a town of over 25,000 people. The list of incidents goes on. In southern Oregon, the 2020 Almeda Fire damaged water pipes in buildings, leaving water to flow freely. That contributed to low system pressure just when people fighting the fire needed the water.Water meters and pipes are vulnerable to damage during a fire.Andrew Whelton/Purdue University, CC BY In Colorado, the 2021 Marshall Fire burned through urban water lines, damaging six public drinking-water systems along with more than 1,000 structures in the Boulder suburbs. All six systems lost power, which in some cases led to a loss of water pressure, hampering firefighting. As firefighters worked on the Marshall Fire, water system operators raced to keep water flowing and contaminants from being transported into the water systems. But tests still detected chemical contamination, including benzene, in parts of the systems a few weeks later. Then, in January 2025, the Los Angeles fires supercharged concerns about water and wildfire. As firefighters raced to put out multiple fires, hydrants ran dry in some parts of the region, while others at higher elevations depressurized. Ultimately, over 16,000 structures were damaged, leading to insured losses estimated to be as high as US$45 billion.Water supplies are crucial to fighting fires. In cities, fire crews like this one battling the Palisades Fire in Los Angeles in January 2025 can often rely on hydrants. But water systems can lose pressure and potentially the power to run their pumps during fires.AP Photo/Etienne Laurent Water infrastructure is not merely collateral damage during wildfires – it is now a central concern. It also raises the question: What can residents, first responders and decision-makers reasonably expect from water systems that weren’t designed with today’s disasters in mind?
Addressing the growing fire and water challenge
While no two water systems or fires are the same, nearly every water system component, ranging from storage tanks to pipelines to treatment plants, is susceptible to damage. The Grand Canyon’s Roaring Springs system exemplifies the complexity and fragility of older systems. It supplies water to both rims of the park through a decades-old network of gravity-fed pipes and tunnels and includes the water treatment facility where firefighters were forced to retreat because of the chlorine leak. Many water systems have vulnerable points within or near flammable wildlands, such as exposed pump houses that are crucial for pulling water from lower elevations to where it is needed.A stand pipe at Zorthian Ranch in Altadena, Calif., failed during the January 2025 fire there, making it even more difficult for Alan Zorthian to fight the flames sweeping across his property. He used a pump drawing water from a swimming pool to try to fight the flames, but numerous structures were destroyed.Myung J. Chun/Los Angeles Times via Getty Images In addition, hazardous materials such as chlorine or ammonia may be stored on-site and require special considerations in high fire risk areas. Staff capacity is often limited; some small utilities depend on a single operator, and budgets may be too constrained to modernize aging infrastructure or implement fire mitigation measures. As climate change intensifies wildfire seasons, these vulnerabilities can become disaster risks that require making water infrastructure a more integral part of fighting and preparing for wildfires.
Prioritizing fire-resistant construction, better shielding of chemicals and, in some cases, decentralizing water systems can help protect critical facilities, particularly in high-risk zones. Having backup power supplies, mobile treatment systems and alternate water sources are essential to provide more security in the face of a wildfire.
Emergency command protocols and interagency coordination are most effective when they include water utilities as essential partners in all phases of emergency response, from planning to response to recovery. Fire crews and water operators can also benefit from joint training in emergency response, especially when system failure could hinder firefighting itself.
Longer term, protecting upstream watersheds from severe fire by thinning forests and using controlled burns, along with erosion control measures, can help maintain water quality and reduce water pollution in the aftermath of fires.
Smaller and more isolated systems, particularly in tribal or low-income communities, often need assistance to plan or implement new measures. These systems may require technical assistance, and regional support hubs could support communities with additional resources, including personnel and equipment, so they can respond quickly when crises strike.
Looking ahead
The Dragon Bravo Fire isn’t just a wildfire story, it’s also a water story, and it signals a larger, emerging challenge across the West. As fire seasons expand in size and complexity, the overlap between fire and water will only grow. The Grand Canyon fire offers a stark illustration of how wildfire can escalate into a multifaceted infrastructure crisis: Fire can damage water infrastructure, which in turn limits firefighting capabilities and stresses water supplies. The question is not whether this will happen again. It’s how prepared communities will be when it does. Faith Kearns, Scientist and Director of Research Communication for the Arizona Water Innovation Initiative, Arizona State University This article is republished from The Conversation under a Creative Commons license. Read the original article.
DoorDash Driver Arrested After Claiming Sexual Assault: What Really Happened?
A DoorDash driver who claimed she was sexually assaulted during a delivery is now facing felony charges after police say her viral video showed an unconscious, partially nude customer without consent. Here’s what investigators found and why the case is sparking national debate.
DoorDash delivery driver involved in a viral video controversy after claiming sexual assault; police say no assault occurred, and the driver now faces felony charges.
DoorDash Driver Arrested After Claiming Sexual Assault: What Really Happened?
A Viral Accusation Turns Into a Criminal Case
A routine food drop-off turned into a national controversy this month after a DoorDash delivery driver claimed she was sexually assaulted during a delivery — only to later be arrested herself following a police investigation. The incident, which quickly spread across TikTok and other platforms, has generated fierce debate over privacy, personal safety, and the power of viral video culture.
The driver, identified as Livie Rose Henderson, posted a video on social media in mid-October claiming that when she arrived at a customer’s home in Oswego, New York, she found the front door open and discovered a man “half-naked and unconscious” on his couch. She publicly described the moment as a sexual assault, saying she felt endangered and traumatized.
Her posts went viral almost immediately, drawing attention from millions of viewers and sparking outrage over the safety risks faced by gig workers — particularly women — who make deliveries to unfamiliar homes.
But the narrative took a dramatic turn.
Police: No Sexual Assault Occurred
According to the Oswego Police Department, an investigation found no evidence that Henderson was sexually assaulted. Instead, authorities say that she:
Entered the home without consent
Recorded the unconscious customer, who was partially nude
Posted the footage online, identifying him
Made claims police say were “false and misleading”
Investigators concluded the man was intoxicated and unconscious, not acting with intent or awareness. As a result, Henderson was arrested and charged with:
Second-degree unlawful surveillance (felony)
First-degree dissemination of unlawful surveillance images (felony)
Police emphasized that recording a person who is nude or partially nude inside their home — regardless of context — constitutes a violation of New York’s surveillance and privacy laws if done without permission.
DoorDash Drops the Driver
Henderson also claimed that DoorDash deactivated her account, something she described as retaliation for “exposing her assaulter.” But following her arrest, DoorDash stated that recording customers inside their homes violates company policy and local laws.
DoorDash said it cooperated with investigators but declined to comment further on personnel matters.
A Complicated Public Reaction
Social media reaction has been sharply divided:
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Sympathy for the driver
Many viewers initially supported Henderson, arguing that gig workers often deal with unsafe conditions and should not be forced to decide between finishing a delivery or backing away from a potentially threatening situation.
Backlash over privacy violations
Others argue that Henderson crossed legal and ethical boundaries by:
Entering a private residence
Recording a vulnerable, unconscious person
Posting it publicly
Accusing the individual of a crime without evidence
These actions, critics say, show the dangerous consequences of rushing to social media before police or professional investigators evaluate the facts.
The Larger Issue: Safety vs. Responsibility
This case highlights a broader tension in the era of app-based work and viral content:
Gig workers do indeed face unpredictable and sometimes unsafe situations.
Customers have a right to privacy in their homes.
Social media, meanwhile, rewards the fastest and most dramatic version of a story — even before the truth is known.
As the criminal process continues, Henderson’s case may set a new precedent for how privacy laws interact with the realities of delivery work and the instant visibility of online platforms.
Focuses on the legal perspective, privacy violations, and the potential consequences of posting sensitive content online.
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.
How China cleaned up its air pollution – and what that meant for the climate
How China cleaned up its air pollution: Beijing’s air quality went from hazardous to good while Delhi and Lahore still struggle. Discover how China dramatically reduced pollution since 2013—and why cleaner air may have unintended consequences for global warming and climate change.
Delhi: 442. Lahore: 334. Beijing: 16. These are the levels of PM 2.5, one of the principle measures for air pollution, on November 19. As Pakistanis and Indians struggle with hazardous air quality, in Beijing – a city once notorious for its smog – the air quality is currently rated as good. Ahead of the 2008 Beijing Olympics, the Chinese government was so concerned about pollution that it introduced temporary restrictions on cars, shut down factories and stopped work on some construction sites. The measures worked and one study later found that levels of air pollution were down 30% during the period when the temporary Olympic restrictions were in place. It would take a few more years before the Chinese government implemented a clean air action plan in 2013. Since then, China has achieved a dramatic improvement in its air quality. In this episode of The Conversation Weekly podcast, we speak to Laura Wilcox, a professor at the National Centre for Atmospheric Science at the University of Reading in the UK, to understand how China managed to clean up its air pollution. But Wilcox’s recent research uncovered some unintended consequences from this cleaner air for the global climate: the pollution was actually helping to cool the atmosphere and by taking it away, it may have accelerated global warming. Wilcox explains:
What we’re seeing is a removing of cooling that’s revealing warming that’s already there. So the air pollution isn’t the cause of the warming. It’s just letting us see stuff that we’ve already done.
Dive into “The Knowledge,” where curiosity meets clarity. This playlist, in collaboration with STMDailyNews.com, is designed for viewers who value historical accuracy and insightful learning. Our short videos, ranging from 30 seconds to a minute and a half, make complex subjects easy to grasp in no time. Covering everything from historical events to contemporary processes and entertainment, “The Knowledge” bridges the past with the present. In a world where information is abundant yet often misused, our series aims to guide you through the noise, preserving vital knowledge and truths that shape our lives today. Perfect for curious minds eager to discover the ‘why’ and ‘how’ of everything around us. Subscribe and join in as we explore the facts that matter. https://stmdailynews.com/the-knowledge/
The Hong Kong high-rise fire shows how difficult it is to evacuate in an emergency
Hong Kong High-Rise Fire: The deadly Hong Kong fire exposes critical challenges in evacuating tall buildings. Learn why stair descent is slower than expected, how human behavior causes delays, and what modern safety features can save lives.
Evacuations of high-rises don’t happen every day, but occur often enough. And when they do, the consequences are almost always severe. The stakes are highest in the buildings that are full at predictable times: residential towers at night, office towers in the day. We’ve seen this in the biggest modern examples, from the World Trade Center in the United States to Grenfell Tower in the United Kingdom. The patterns repeat: once a fire takes hold, getting thousands of people safely down dozens of storeys becomes a race against time. But what actually makes evacuating a high-rise building so challenging? It isn’t just a matter of “getting people out”. It’s a collision between the physical limits of the building and the realities of human behaviour under stress.
It’s a long way down to safety
The biggest barrier is simply vertical distance. Stairwells are the only reliable escape route in most buildings. Stair descent in real evacuations is far slower than most people expect. Under controlled or drill conditions people move down at around 0.4–0.7 metres per second. But in an actual emergency, especially in high-rise fires, this can drop sharply. During 9/11, documented speeds at which survivors went down stairs were often slower than 0.3 m/s. These slow-downs accumulate dramatically over long vertical distances. Fatigue is a major factor. Prolonged walking significantly reduces the speed of descent. Surveys conducted after incidents confirm that a large majority of high-rise evacuees stop at least once. During the 2010 fire of a high-rise in Shanghai, nearly half of older survivors reported slowing down significantly. Long stairwells, landings, and the geometry of high-rise stairs all contribute to congestion, especially when flows from multiple floors merge into a single shaft. Slower movers include older adults, people with physical or mobility issues and groups evacuating together. These reduce the overall pace of descent compared with the speeds typically assumed for able-bodied individuals. This can create bottlenecks. Slow movers are especially relevant in residential buildings, where diverse occupants mean movement speeds vary widely. Visibility matters too. Experimental studies show that reduced lighting significantly slows down people going down stairs. This suggests that when smoke reduces visibility in real events, movement can slow even further as people hesitate, misjudge steps, or adjust their speed.
Human behaviour can lead to delays
Human behaviour is one of the biggest sources of delay in high-rise evacuations. People rarely act immediately when an alarm sounds. They pause, look for confirmation, check conditions, gather belongings, or coordinate with family members. These early minutes are consistently some of the costliest when evacuating from tall buildings. Studies of the World Trade Center evacuations show the more cues people saw – smoke, shaking, noise – the more they sought extra information before moving. That search for meaning adds delay. People talk to colleagues, look outside windows, phone family, or wait for an announcement. Ambiguous cues slow them even further. In residential towers, families, neighbours and friend-groups naturally try to evacuate together. Groups tend to form wider steps, or group together in shapes that reduce overall flow. But our research shows when a group moves in a “snake” formation – one behind the other – they travel faster, occupy less space, and allow others to pass more easily. These patterns matter in high-rise housing, where varied household types and mixed abilities make moving in groups the norm.
Why stairs aren’t enough
As high-rises grow taller and populations age, the old assumption that “everyone can take the stairs” simply no longer holds. A full building evacuation can take too long, and for many residents (older adults, people with mobility limitations, families evacuating together) long stair descents are sometimes impossible. This is why many countries have turned to refuge floors: fire- and smoke-protected levels built into towers as safe staging points. These can reduce bottlenecks and prevent long queues. They give people somewhere safe to rest, transfer across to a clearer stair, or wait for firefighters. Essentially, they make vertical movement more manageable in buildings where continuous descent isn’t realistic. Alongside them are evacuation elevators. These are lifts engineered to operate during a fire with pressurised shafts, protected lobbies and backup power. The most efficient evacuations use a mix of stairs and elevators, with ratios adjusted to the building height, density and demographics. The lesson is clear: high-rise evacuation cannot rely on one tool. Stairs, refuge floors and protected elevators should all be made part of ensuring vertical living is safer.Milad Haghani, Associate Professor and Principal Fellow in Urban Risk and Resilience, The University of Melbourne; Erica Kuligowski, Principal Research Fellow, School of Engineering, RMIT University, and Ruggiero Lovreglio, Professor in Digital Construction and Fire Engineering, Te Kunenga ki Pūrehuroa – Massey University 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.
