Summer brings warmer water which means longer days and more opportunities to get out on rivers. The start of summer also means the start of hurricane season. Storms out of the tropics have always had a place in the memory and expectations of communities across the Southeast. Those storms historically have been highlighted by their intense wind speed and storm surge driven by their speed. While these are still a possibility, the amount of rain in the past ten years that these tropical storms have dumped onto the region has been the bigger story – whether it was Matthew and Florence inundating Georgia and the Carolinas or Harvey flooding Houston.
Given this new style of hurricane, we need to prepare for these storms differently to keep our communities as safe as possible. While it is hard to predict exactly how “bad” a particular hurricane season will be, we must underscore the importance of restoring healthy rivers and giving rivers room as one of the best ways to protect people and property from flooding.
There are several main factors exacerbating flood danger associated with hurricanes:
- Climate change: The warming waters and greater capacity for the air to hold moisture is creating more frequent and intense storms.
- Development and disconnection of floodplains: Floodplains are the natural, low-lying areas along rivers that absorb and store floodwaters. Centuries of development filling these low-lying riverside lands with homes and businesses, and cutting rivers off from their floodplains have now left nowhere for floodwaters to go, putting people and property in harm’s way when rivers flood.
- Outdated and unsafe dams: Hundreds of dams have breached or failed in recent years because of heavy rainfall and flooding, putting communities at risk. The Association of State Dam Safety Officials estimates that aging dams across the nation need more than $70 billion in repairs.
Communities across the Southeast are all too familiar with destruction from hurricanes and flooding. It is a recipe for disaster when we have increasingly severe storms, combined with outdated, aging infrastructure. We want communities to have the resources they need to stay safe, and also enjoy all of the benefits, like clean water and health, that a river offers.
Our decision makers need to take action. Five actions needed to protect communities from increasingly severe flooding:
- Protect and restore floodplains: Naturally functioning floodplains store floodwaters and reduce downstream flooding. We need to take advantage of these natural defenses.
- Get people out of harm’s way: Poorly planned growth has allowed development in flood-prone areas, putting people in harm’s way. Where possible, we should replace developed areas with green spaces that can absorb floodwaters and buffer communities from damage.
- Strengthen state dam safety laws and programs: More than 80 failed dams in South Carolina over the past several years. Coupled with dozens of additional dam failures in North Carolina it is clear that our current standards, especially for earthen dams which are by far the most likely to fail, do not provide safety with the reality of today’s extreme flooding.
- Remove dams that do not meet safety requirements: We cannot wait until dams fail to take action. Poorly maintained and improperly designed dams need to be removed to protect downstream communities and infrastructure before they fail. See https://www.americanrivers.org/2016/10/removing-dams-can-save-lives/
- Relocate industrial livestock feedlots out of vulnerable floodplains. See America’s Most Endangered Rivers of 2017 listing of Neuse and Cape Fear rivers: https://www.americanrivers.org/2017/06/neuse-cape-fear-floodplain-protection/
One of the best ways to safeguard people and property is by protecting and restoring rivers.
If we take care of our rivers, they will take care of us.
Transforming California’s Central Valley will take a village. The effects of climate change on temperature and precipitation intersect with declining regional biodiversity and a long history of racial inequity that has increased flood risk for socially vulnerable communities. To do this work effectively, we need data-driven approaches that maximize our impact. American Rivers’ data collection and analysis at Elk Slough is a prime example of how we calibrate and implement successful restoration, and I was excited to leave the city and see habitat restoration in its early stages.
I departed the Bay Area and drove through the Sacramento-San Joaquin Delta before heading north on Highway 160, a meandering road atop the levees that gird the Sacramento River. The East Bay’s suburban sprawl quickly turns to riverside towns separated from the farm fields that extend across the Delta by tree-lined banks that provide shade, cover, and habitat for salmon that forge upstream to spawn each year. Today, I’ll be meeting my colleague, Kristan Culbert, Associate Director of California River Conservation, at the Elk Slough Fish Passage and Flood Improvement, a 9.5-mile slough that empties into the Sacramento River. We convene outside the local library in the tiny town of Clarksburg, California, before venturing to the nearby slough on foot.
Elk Slough is separated from the Sacramento River by a culvert that was built in the 1950s. Currently, a gate separates Elk Slough from the Sacramento River (opening mechanism pictured above), creating a warm, nutrient-rich backwater that does not support native fish and wildlife. The Elk Slough Fish Passage and Flood Improvement project, led by Reclamation District 999, provides an opportunity for scientists, conservationists, engineers, farmers and flood managers to collectively develop solutions that restore riverine wildlife habitat while protecting nearby communities from flood risk. The project will redesign the gate separating Elk Slough from the Sacramento River, enhance native riparian forests along the banks of the Slough, and reduce flood risk for the town of Clarksburg and nearby farms protected by levees maintained by Reclamation District 999 and Reclamation District 150.
In support of the project, American Rivers used the Habitat Quantification Tool to assess the quality and capacity of habitat for Swainson’s hawk and riparian land birds and identify potential restoration opportunities for the project. The findings from this study also identified opportunities to improve agricultural land management to support a greater number of wildlife species.
Elk Slough provided an exciting opportunity to put these scientific tools to good use. Our findings showed that the many continuous tree stands in the project area provide excellent opportunities for riparian land birds to create nests, and that there are many opportunities for farmers to improve land management practices to better support foraging habitat for the state-listed Swainson’s hawk, which is commonly found nesting next to agricultural lands across the Central Valley. The findings from this study have identified feasible, cost-effective strategies that local landowners can implement to benefit wildlife, such as choosing to grow more row crops that provide a better Swainson’s hawk foraging habitat.
American Rivers is a national leader in using impactful science-based decision-making to restore rivers. Our teams are skilled in using strategies ranging from managing boots-on-the-ground planning and construction of river restoration and dam removal projects to collecting scientific data to assess opportunities for wildlife enhancement. Multi-benefit restoration work needs to be informed by scientific research and a clear articulation of priorities that aim to create a safe, sustainable home for communities and wildlife of the Central Valley. This work represents how diverse partners from the agricultural, flood protection and environmental communities can come together to leverage on-the-ground scientific data in the planning and implementation of important riverine habitat restoration while at the same time improving flood protection for the local agricultural community. And working in tandem with project partners to gather, assess, and utilize this research brings us closer to long-term sustainability along the Sacramento River, in California’s Central Valley, and beyond.
May 31 marks National Dam Safety Awareness Day, established after the South Fork Dam failure of 1889 took the lives of 2,200 Pennsylvanians. The threat of dam failure persisted into the early 20th century for Californians, when the St. Francis Dam, located just north of Los Angeles, collapsed and swept a 140-foot-tall wall of water through San Francisquito Canyon, claiming the lives of over 400 people. Flash forward to the 21st century and spillway failures (when water overtops a dam’s emergency ‘spillway’, or passage for surplus water) on California’s Oroville Dam in 2017 and North Fork Dam in 2023, point to the increasing urgency of devoting state resources to dam removal, especially where dams have deferred maintenance issues. Moreover, as the effects of climate change intensify, unpredictable precipitation patterns are putting increased strain on our water infrastructure, underscoring the need to address these problems head-on.
The risk of dam failure seems to exist out of sight and out of mind until a disastrous flood event. Of course, not all dams pose a significant threat to California’s communities, and some remain critical to ensuring California’s water supply and public safety. Seventy percent of the State’s water supply is facilitated by dams, fifteen percent of the state’s power is generated hydroelectrically, and dams have other uses as well, including flood control and providing recreational opportunities and habitat for wildlife. However, dams are not designed to stand indefinitely, and deferring dam maintenance jeopardizes the safety of downstream communities. Throughout California, there are thousands of dams, large and small, many of which do not meet safety standards because they are not adequately maintained or have been abandoned altogether. According to the American Society of Civil Engineers, “Over half of California’s 1,476 state, federal, and locally owned dams are considered high hazard dams, meaning their failure would result in probable loss of human life and economic damage. Approximately 70% of the dams are greater than 50 years old,” with the overall rating of California’s dam safety coming in at a worrying C-.
These structures pose an unacceptable risk in the likely event of intense precipitation, seismic activity, or simple deterioration. Scott Dam on the Eel River, a part of Pacific Gas & Electric’s Potter Valley Hydroelectric Project in northwestern California, provides a perfect case study of why we need to prioritize funding for dam removal. Constructed in 1922, Scott Dam is now obsolete – it no longer generates power for the surrounding communities and PG&E recently reduced associated reservoir capacity by 20,000 acre-feet due to seismic concerns. Without funding for removal, it will continue to pose a threat to the thousands of residents who live downstream while deteriorating aquatic habitat. Scott Dam not only prevents passage for federally protected native fish species such as the Chinook salmon and steelhead trout and imperils the sustenance and cultural activities of local tribes, but recent inspections have indicated that the dam risks catastrophic failure in the event of seismic activity.
Decision-makers at the state and federal levels need to push dam removal to the forefront of public consciousness and policy decisions. California has deferred the maintenance of high-hazard dams for decades, leaving obsolete, high-hazard dams in place, thereby limiting the resilience of our state’s water infrastructure. As the California legislature determines how to allocate the state’s budget, it is critical that funding for dam removal be included as an explicit line-item, rather than simply being folded into broad categories of funding and later deprioritized. For obsolete dams, removal is the most effective and long-term dam safety approach to protect public safety.
Funny story: We found Robert Hodgin’s work after the New York-based artist made a contribution to support American Rivers’ mission. His “Meandering Rivers” series charts the flow and course of fictional rivers over millennia. It was love at first site, and we are thrilled that he agreed to create a custom piece to celebrate American Rivers’ 50th anniversary year. Robert is the co-founder of Rare Volume, a design and technology studio. Find him on Twitter at @Flight404. American Rivers is proud to be a beneficiary of Klean Kanteen and the Limited Edition American Rivers Insulated Water Bottle with Twist Cap, featuring Robert’s amazing artwork.
What do you draw on for inspiration?
I tend to lean pretty heavily into natural phenomena when exploring new ideas. Early in my career, I became really invested in learning how to simulate the flocking of birds. Flocking algorithms are a common theme in my work. I have explored concepts like erosion, dune migration, schooling fish, and how galaxies form. If something mesmerizes me, there is a good chance I will sit down at my computer and try to figure out how to approximate it.
Your Meandering Rivers series is mesmerizing. How did you get the idea to map the flow of fictional rivers?
My experience with meandering rivers is mostly limited to seeing them from a plane or exploring them on a map. I had found them to be curious things to ponder once I read about the mathematical structure for these meanders and how their width directly relates to the size of the meandering bends. It is lovely to see something so sublime and realize that math plays a huge role in how and why they exist and look the way they do.
I tinkered with some custom algorithms to sort out how to make a curved line exhibit meandering behavior on its own. Lots of back and forth between coding and whiteboard sketches. Eventually, the curve did something meander-like, and I was hooked. It was so incredibly satisfying to see this movement at interactive frame rates, simulating thousands of years in the span of a few seconds. Once I got the behavior under control, I set my sights on making an edition of procedurally generated maps where each map had a unique river system and randomly generated towns on its banks.
What inspired you about this project with American Rivers?
It is a bit of a perfect pairing. My meandering river project is the most successful project of my art career, and I was very happy to explore new concepts with other artists and organizations. And it made sense to do something with American Rivers because part of their ethos is to ensure the health and beauty of river systems. It was meant to be!
What is your favorite river?
I didn’t grow up on a river or spend any formative time on a specific river. But on a few occasions, specifically in Oregon and Iceland, I was able to watch a small stream make its way across beach sands into ocean waters, and you can see this meandering effect at a small scale. Something about watching a river join with the ocean is extremely contemplative to me, and the meditative qualities of this experience are impossible to ignore.
You could say the Ohio River is in Heather Sprouse’s blood. A sixth-generation West Virginian, Heather runs a small farm that relies on water from the Ohio watershed. She is also the Ohio River Coordinator for the West Virginia Rivers Coalition, an American Rivers partner organization dedicated to conserving and restoring West Virginia’s waterways and ensuring clean water for all. Sprouse connects with communities to advocate for clean water along the Ohio — one of America’s Most Endangered Rivers® of 2023.
“The Ohio River has always humbled me,” Sprouse says. “In parts, the river is a mile wide. From the confluence that begins the river in Pittsburgh to where it meets the Mississippi River in Cairo, Illinois, these waters are the lifeblood of our communities, our economies, and our ecosystems.”
The word Ohio comes from the Seneca (Iroquois) word ohi:yo, meaning “good river” or “beautiful river.” Collecting water from 14 states, from New York to Alabama, the Ohio River basin is one of the largest watersheds in the nation. It supports local economies and communities. The river also supplies drinking water to 5 million people and is home to 150 species of fish and wildlife. But that’s not the whole story.
The threats
The Ohio is also a case study of many of the threats facing the 10 rivers named among America’s Most Endangered Rivers® of 2023: fossil fuel development, climate change impacts, such as extreme flooding, vulnerable wildlife, toxic pollution, drinking-water-safety concerns, inequitable access to river recreation, and lack of federal support. The list of threats is as varied as the six states the river passes through on its journey to reach the Mississippi.
A boom in hydraulic fracturing, or “fracking,” in Pennsylvania, Ohio, and West Virginia has resulted in toxic waste being barged down the river. That waste and other industrial pollution contain chemicals including PFAS — commonly referred to as “forever chemicals” — which don’t naturally break down and are linked to testicular cancer, kidney cancer, birth defects, and endocrine disruption. Meanwhile, coal-fired power plants have contaminated groundwater with arsenic and mercury. And nutrient runoff contributes to harmful algal blooms that make water unsafe for humans, pets, and aquatic life.
Recently, a Norfolk Southern train carrying toxic chemicals used to make plastic derailed in East Palestine, Ohio, 16 miles from the Ohio River. The train cars were filled with cancer-causing chemicals, some of which leaked into surrounding waterways and made their way to the Ohio River. More than 40,000 fish and aquatic wildlife died, and the communities reported foul-tasting and smelling water, rashes, and body aches. This chemical disaster is yet another reminder of the river’s vulnerability to toxic spills as industry transports chemicals through the watershed.
The Ohio River and its communities deserve better.
What must be done
“Unlike the Great Lakes, Puget Sound, and the Everglades, the Ohio is not designated as a federally protected water system,” Sprouse says. “Federal designation would open the door to much-needed funding for restoration, industry safeguards, and increased river monitoring.”
The West Virginia Rivers Coalition, Ohio Environmental Council, 3 Rivers Water Keepers, and other allies are working with the Ohio River Valley Water Sanitation Commission and the Ohio River Basin Alliance to restore the Ohio River. They are advocating for a basin-wide restoration plan, much like the successful plan that exists for the Great Lakes. Based on insights gathered from communities across all 14 states in the Ohio River basin, the plan is five years in the making and will soon be submitted to Congress. It makes the case for recognizing the Ohio River as a protected water system worthy of substantial, sustained federal funding. It includes a blueprint for safeguarding drinking water, improving access to recreation, and funding pollution control efforts, water-quality monitoring, and ecosystem safeguards.
“We have a once-in-a-generation opportunity to invest in this river as a precious resource that connects us and offers us really high-quality lives,” Sprouse says.
American Rivers named the Ohio River among America’s Most Endangered Rivers® to proudly support local advocates’ call to action: Now is the time to set the Ohio on a positive trajectory that includes clean water, enjoyable recreation, and a healthier environment for all. We know that championing grassroots movements like the one gathering steam right now along the Ohio — and the nine other rivers on this year’s list — is the only way the river movement will protect 1 million miles of rivers that people live near and rely on. Because when many people, each in their own way and in their own place, pull together toward a common goal, we can achieve transformational change.
That’s exactly the kind of future Heather Sprouse envisions for her state and her river.
“I dream of people being able to safely eat fish from the Ohio River. I’d love to see fence-line communities leading the way in making decisions for their communities,” Sprouse says. “If we can shift to valuing and protecting the Ohio River as a resource for our communities, I believe we can create a livable planet, good paying jobs, opportunities for recreation, and a way to invest in our communities.”
The National River Cleanup® (NRC) at American Rivers has supported more than one million volunteers to remove over 40 million pounds of litter across thousands of miles of rivers and streams. NRC works with companies to provide customized volunteer opportunities for their employees and communities, support a network of cleanup organizers, and engage individuals to collect litter and learn about the importance of our nation’s rivers.
Since this program was started over a decade ago, NRC has grown tremendously in size and scope which has led to the implementation of a more robust system to manage the program and make data-driven decisions to support continued growth and efficiency. One of the ways American Rivers is making this happen is through skill sharing projects, our most recent with volunteers from Verizon who have been a partner of American Rivers since 2020.
What is Skill Sharing?
Skill sharing is the practice of leveraging individual talent and professional expertise in support of the infrastructure needs of community organizations in order to build capacity and create social change.
In the context of NRC, this includes identifying opportunities for streamlined data processes and enhanced technological capabilities. Over the course of seven weeks, a team of Verizon volunteers – comprised of Svetlana Boyd, Thaddeus (Tad) Huck, and Vidya Ranganathan – analyzed NRC’s data processes and drafted recommendations for improvements, suggestions for database management and tracking tools, and developed a scope of work for the future implementation phase to ensure the selected database system meets our usability, extensibility, data integrity, and performance requirements.
Volunteering for a Cause
In addition to offering their expertise and developing their own skills, the Verizon volunteers were inspired to participate in this project to support American Rivers’ mission of protecting wild rivers, restoring damaged rivers, and conserving clean water for people and nature. Svetlana felt inspired by a “commitment to keep what we need to survive clean.” Similarly, Vidya hoped to help American Rivers achieve our mission in a meaningful way, noting how passionate American Rivers is and how much work is being done to clean our rivers. As an avid kayak enthusiast who strongly believes in the power of volunteering, Tad was inspired to offer his time and skills to a cause he deeply cares about and was grateful for access to skill-sharing projects with Verizon Partners following Verizon’s recent emphasis on employee volunteering opportunities.
American Rivers is grateful to have had the opportunity to work with these dedicated Verizon volunteers. We are excited to implement the volunteer team’s suggestions and build a stronger NRC to increase our impact!
Last week, the Bureau of Reclamation, the federal government agency that oversees and manages operations on the Colorado River, announced the authorization of a spring High Flow Experiment (HFE) in the Grand Canyon. This is a big deal since the last time an HFE was conducted was in the fall of 2018, and the last time a spring HFE was executed was in 2008. And with the Colorado River in the Grand Canyon named as America’s Most Endangered River® just last week, we are thrilled that this action is happening to benefit the ecosystem in the canyon.
What is an HFE?
A High Flow Experiment is in essence a simulated flood being conducted through Glen Canyon dam. In practice, the dam releases a high volume of water, usually through both the hydropower turbines and the bypass tubes, which are lower-elevation tubes through the dam that are usually only used for these short duration floods or in other unique situations (like releasing water during the extreme inflows of 1983) over a limited period of time. HFE’s are extremely important to the management of sand in the canyon and the healthy functioning of the Grand Canyon riparian ecosystem overall.
To set the stage even further, let’s go back to the time before the creation of Glen Canyon Dam. The Colorado River traditionally carried millions and millions of tons of sediment down the river each year. Since Glen Canyon was built, most of that sand has been trapped in the upper reaches of Lake Powell – as flows slow down as the river becomes the lake, the sediment drops out and settles (up near Hite and Halls Crossing and then the San Juan as it enters the lake as well.) The result is that the water coming through Glen Canyon dam is very clear, lacking the traditional sediment that would be carried by the river and maintaining beaches and sandbars and the natural ecological benefits of that silty, sediment-laden water throughout the canyon. This clear water erodes sand from beaches and sandbars, and for decades in the 1970’s and 1980’s was causing real problems with the canyon’s ecology. In the 1990’s and early 2000’s, some experiments were conducted to begin to learn how these floods might act and how they might contribute to sand and other ecological functions within the canyon. Then, in 2016, the Long Term Experimental and Management Plan (LTEMP) was completed and set the guidelines for how and how frequently future HFE’s could be conducted.
Now, the Paria River, which is about 17 miles downstream from Glen Canyon dam (and about a mile below the put-in at Lee’s Ferry) is the main source of sediment into the Grand Canyon. When the Paria River flashes (most commonly during the summer monsoon season) it can deposit tons of sand – sometimes more than a million tons of sand – in a summer. This sand is what can be pushed downstream in an HFE to rebuild beaches and sandbars, and aid in the protection of cultural resources throughout the length of the canyon.
One of the elements within these LTEMP guidelines is how and when these HFE’s may be conducted, and how often the program should try to make them happen. Sadly, they have not happened often enough, and the canyon is really suffering because of it. Since the last HFE in 2018, there have been complications with declining water levels across the basin but felt most acutely in Lake Powell as elevations have declined to record lows. Then in 2021 and 2022, the monsoons delivered abundant sand through the Paria into the Colorado River, but unfortunately also caused a lot of erosion of beaches downstream as these monsoon storms ripped across Grand Canyon and the Colorado Plateau.
Today, we are celebrating the decision by the Bureau of Reclamation to use this opportunity to trigger one of these HFE’s to move the volume of sand currently sitting near the mouth of the Paria to rebuild beaches and sandbars, repair the ecology, and aid the protection of cultural resources downstream.
Reclamation was able to make this decision based on several factors. First, due to the drought operations conducted over the past two years, there is a good amount of water parked in Lake Powell to protect the hydropower infrastructure at Glen Canyon dam that had to be moved downstream sometime this year. Second, the sand is there and the damage to the beaches in the canyon is glaring. Third, the water sitting in Lake Powell right near the dam (in an area above the dam called the “forebay”) is quite cold, which could aid aquatic species downstream. And lastly, there is a window of time where Reclamation and the hydropower providers can shift the timing of some needed maintenance at the dam to free up the opportunity to have all 8 hydropower penstocks and some of the bypass tubes available to actually conduct the high flows through the dam.
This week’s HFE will be pretty dramatic, both visually and scientifically. The flow will begin early Monday morning (April 24) and last into Thursday evening (April 27.) The dam will ramp up releases to 39,500 cubic feet per second (CFS) and hold that for 72 hours straight creating a flood that will flow all the way to Lake Mead over a period of about a week, rebuilding sandbars and beaches along the way (and giving rafters in the canyon an exciting ride!) One additional key point to understand is that HFE’s consume no net loss of water in Lake Powell – after the HFE occurs, Glen Canyon dam will release slightly less water than normal over a period of weeks, in order to make up that amount of water that is shot downstream, yet another benefit in the design in these critically important High Flow Experiments.
Again, we applaud the Bureau of Reclamation, the scientists at USGS’ Grand Canyon Monitoring and Research Center, and everyone else who has been working hard to make one of these HFE’s happen for years. We are looking forward to seeing the great results that will come out of this event very soon.
(To learn more about the Grand Canyon’s history and ecosystem, check out our new story map, Caught in the Middle – we think you will love it!)
The near-failure of Oroville Dam on February 7, 2017 was a major wake-up call regarding the risks posed by dams in California and nationwide. The January 5, 2023 spillway failure of the North Fork Dam on Pacheco Creek is an unfortunate sign that California has much work to do to ensure dam safety.
The North Fork Dam has been a focus of the California Department of Water Resources (DWR) Division of Safety of Dams (DSOD) since at least 2017. According to April 2017 DSOD correspondence, “[t]he instability of the left spillway wall panels is a long-standing dam safety issue that dates back to the 1940s, and multiple repairs and failures have occurred.” In fact, DSOD repeatedly advised the Pacheco Pass Water District between 2017 and 2021 that spillway repairs were required. Given funding shortages, the earliest date on which a new spillway was anticipated was December 31, 2032.
This dam failure and lack of funding to address deferred maintenance issues underscore key vulnerabilities in California’s dam safety program despite its reputation as one of the premier programs nationwide. The safety of California’s extensive dam infrastructure is primarily evaluated based on seismic concerns, leaving room for risks posed by non-seismic issues, such as dam performance observations, loading probabilities, and engineering analyses, to go unnoticed or unaddressed. DSOD must address key issues highlighted in 2018 by a Technical Advisory Panel (comprised of national dam safety experts), especially considering the American Society of Civil Engineers’ 2019 infrastructure report card gave California dams a C-, mainly based on age and hazard status. They highlighted the lack of funding as a key hurdle to strengthening the program.
To prevent disastrous dam failures in the future, American Rivers recommends the following three priorities:
- Strengthen and create a climate of compliance. DSOD has authority over much of California’s extensive and aging dam network, with statutory and regulatory authority to require regular and enhanced inspections and maintenance to address issues identified in that inspection process. When an issued order requiring specific maintenance actions goes unheeded, the agency may use their enforcement authority, which will increase costs and ultimately reduce instances of non-compliance. This enforcement mechanism is especially important given the poor condition of California’s dam infrastructure and the size of storms fueled by a changing climate.
- Incorporate and adopt recommended dam safety program improvements. California must increase the pace and scale of dam safety inspections, including the adoption and use of a risk-informed decision-making model that goes beyond seismic concerns. Current events illustrate what is only the beginning of increasingly extreme climate impacts expected over the next 30-50 years. Failure to consider what impact multiple consecutive atmospheric rivers could have on a particular dam is an oversight that must be addressed. California should immediately address the issues highlighted in the 2018 Technical Advisory Panel report.
- Increase funding for dam removal and water infrastructure – American Rivers, the National Hydropower Association, and other partners successfully advocated for $1.6 billion to improve dam safety or fund removal. Dam removal can be the best way to address a dam posing safety risks. Nationwide, there are tens of thousands of dams that no longer serve their intended purpose and whose removal could eliminate the cost and liability associated with owning a dam. Unless dams are well-maintained, their condition only gets worse every year. The most cost-effective and permanent way to deal with obsolete, unsafe dams is to remove them.
The recently released 2023 – 2024 California Budget suggests recognition of the dangers posed by California’s aging infrastructure. The budget proposes additional appropriations in two key areas relevant to dam safety: (1) Federal Rehabilitation of High Hazard Potential Dams; and (2) Dam Safety Enforcement and Design Oversight. With combined appropriately directed federal and state funding, DSOD should commit to enhanced oversight through dam re-evaluations, requiring maintenance, where identified as necessary through inspections, and using their enforcement authority, where dam owners flout such orders.
Today we announce America’s Most Endangered Rivers of 2023.
From dams and outdated water management to toxic pollution and development projects that would devastate river habitats, this report spotlights ten rivers in the U.S. that are at a crossroads and whose fates will be decided in the coming year. This year’s list underscores how essential rivers are for human health, public safety, and community wellness.
We at American Rivers have immense gratitude for the leadership, diligence, and immense knowledge from our local partners on the frontlines, without whom this campaign would not be possible. We look to their guidance and leadership as we continue the fight for river protection and water justice across the nation.
#1 on the list this year is among the seven natural wonders of the world, and one of the greatest natural treasures in the nation: the Colorado River in the Grand Canyon. It’s no surprise that the Colorado River holds its place as the number one Most Endangered River for the second year in a row, as outdated water management, over-use, and climate change all pose great risks to this national treasure. This year, however, the Grand Canyon is of specific focus due to severe drought. As critical decisions are made about water management along the Colorado River, decision makers must recognize the environment as a critical component of human health and public safety – absolutely vital for the 40 million people that depend on the river for drinking water.
“Diné Natural Law tells us that we should treat Mother Earth as we would treat our own mothers. When she is in distress we should respect and nurture her,” said Erik Stanfield, Navajo Nation Historic Preservation Department, commenting on the Most Endangered River listing for the Grand Canyon.
“Our concern for her should not be a reflection of self-interest, but rather an altruistic endeavor to give back when we have taken. We cannot repay all of her gifts, but we can show her kindness, gratitude, and a willingness to sacrifice when she suffers. This is the ethic that we would like to impart to the world outside of Diné-land. The Colorado River, Tooh in Diné Bizaad, is in deep crisis and needs our kindness, gratitude, and sacrifice to heal.”
In this same region the Rio Gallinas is also suffering from the adverse effects of climate change. Community-focused, coordinated restoration efforts are imperative in protecting the future of the river.
For the Ohio, Clark Fork, and Lehigh rivers, pollution threatens the safety and quality of life of local communities. The train derailment that took place in East Palestine, Ohio underscores both the vulnerability of the Ohio River and the value the river serves for the over 5 million people that rely on it for drinking water. A shuttered pulp mill threatens the Clark Fork River, actively leaking toxic chemicals into the groundwater and increasing the risk of catastrophic flooding, while poorly planned development along the Lehigh River threatens water quality and vital fish and wildlife habitat.
In the Okefenokee Swamp, we must avoid the risk of increased drought and catastrophic fire posed by mining plans. The Okefenokee is a unique wetland and international treasure, but a proposed titanium mine threatens the swamp and ancestral lands of the Muscogee (Creek) Nation.
The effects of climate change are happening right now, fueling more severe droughts and floods, and pollution threatens drinking water sources. Unjust policies put the burden of these impacts disproportionately on Black, Latino and Indigenous communities, Tribal Nations and other communities of color.
The Pearl River, for example—one of the most biodiverse rivers in the country and the primary drinking water source for the predominantly Black community of Jackson, Mississippi—is threatened by the One Lake development project. This project would result in severe environmental injustice by worsening urban flooding, exacerbating the ongoing water crisis, and funneling critically needed resources away from marginalized communities.
Tribal sustenance, culture, livelihoods, and treaty rights are being threatened on the Snake, Eel, and Chilkat and Klehini rivers. It is imperative that we lean into the knowledge of Tribal Nations who are the original stewards of the land and have lived along these rivers since time immemorial. On the Snake and Eel Rivers, dam removal is necessary to protect vital fish habitat, honor treaties and commitments to Tribal Nations, and improve community health and wellness. For the Chilkat and Klehini rivers, proper permitting requirements are needed to ensure the protection of the entire ecosystem of the Chilkat Valley, which is critical habitat to the largest congregation of bald eagles in the world.
The threats of climate change, outdated water management, drought, dams, and more put human health, public safety, and community wellness at risk. Rivers are vital community health resources and the lifeblood of our communities, cultures, and livelihood.
Our rivers need our protection. The time to take action is now. Our health and our futures depend on it.
We need individuals and communities to stand with American Rivers and our partners to protect and restore the rivers that support all life. We need your help to ensure the protection of this year’s Most Endangered Rivers. Rivers are sacred. Rivers are life. TAKE ACTION TODAY!
Another successful cleanup in the books! This cleanup was cohosted by True North Energized Sparkling Water and Inland Empire Waterkeeper in Martha McLean-Anza Narrows Park in Riverside in California! It is teams like these that are driving forward the river conservation movement and revitalizing the places we call home, one river at a time. Employee-led cleanup events are a fantastic way for individuals and companies to show up for rivers in their work and community. Read on to discover how a dedicated team at True North worked to restore the beauty and health of Martha McLean Park and the Santa Ana River. American Rivers is proud to have the support of True North for the last year and are excited to share this first-hand account of their cleanup!
The year: 2022. The month: September. The temperature: Hot. (Very).
The once-thriving Martha McLean-Anza Narrows Park in Riverside is now a desolate wasteland, filled with spent tires, rusty shopping carts, rotting coyotes, and — inexplicably — a discarded toilet.
Only one team stands in the way of this former utopia falling into irretrievable ruin: True North.
Actually, Martha McLean Park was rather beautiful when we turned up for our volunteer clean-up of the Santa Ana River… but that didn’t mean it couldn’t use a little extra TLC!
On September 29, a 130-strong team gathered at the watershed in the sweltering heat, put on their gloves, and dug in, dragging an estimated 1,200 lbs of trash from the river and its banks!
Besides countless cigarette butts, aerosol cans, and beer bottles, many of the team set their sights on the elusive “Treasure Trash”… and boy did they unearth some. Electric fans, bedsprings, a vacuum cleaner, a microwave, a wooden chair, a shopping cart filled with TVs, a rather nice vase that we’re pretty sure someone took home, and even a Coyote carcass. Some heroes even dived into the raging (ankle-deep) water to dig tires out of the riverbed!
Ultimately, the day was a massive success, capped off with a delicious lunch.
Because True North is an authentic, natural brand that thrives in outdoor adventure, we are dedicated to keeping our rivers clean; we’re not only protecting the spaces we play in but an essential part of our environment.
The Santa Ana River is the largest river entirely within Southern California at 96 miles long, with a drainage basin at 2,650 square miles in size. The Santa Ana Watershed is home to a dazzling array of habitat types, including coastal bluff, riparian woodland, and coastal sage scrub. Humans have lived on the Santa Ana River for at least 9,000 years and it is the ancestral homeland of the Luiseno and Serrano bands of Mission Indians. Today over 4.8 million people live in the watershed and it has been highly impacted by development and agriculture. Cleanup events like this make a big difference by improving water quality and habitat in the river. Environmental philanthropy is something True North deeply encourages and we’re so glad to have shared this experience with so many caring True North employees.
Huge congrats and thank you to True North and Inland Empire Waterkeeper for a flawlessly executed event.
This blog was co-written by Corporate Relations Fellow, Kristen Nieves & our partners at True North
American Rivers is celebrating its 50th anniversary this year with a fresh look, a bold new vision, and a new tagline: Life Depends on RiversSM. We are excited to continue championing a powerful river movement within this new framework through National River Cleanup® (NRC), American Rivers’ volunteer engagement program. NRC has supported more than 1 million volunteers to remove over 40 million pounds of litter across thousands of miles of rivers and streams. In 2022, NRC’s cleanup organizer network hosted 244 cleanup events with over 31,000 volunteers resulting in 597,444 pounds of litter being removed from 1,438 river miles.
Seeing “Life Depends on RiversSM” in Action
Participating in river cleanups is a great way to witness your river’s ecosystem in action! Throughout a cleanup, you’ll likely encounter more than just a few scaly friends. Aside from fish, natural river habitats support thousands of plant and animal species. This past year, NRC participants came across a variety of wildlife, including turtles, slugs, coyotes, a family of baby owls, ducks and their ducklings marching down to the river, and multiple bald eagle sightings (talk about American Rivers!). For many people, urban lifestyles create distance between daily living and the natural environment. Participating in local cleanups reminds us that it’s not just humans depending on our rivers for survival, but an entire community of non-human friends as well.
Championing a Powerful River Movement Through NRC
NRC does more than just promote clean waterways – it connects people to nature, to each other, and to the greater river movement. And after three long pandemic years, connection is more important than ever. American Rivers is glad to see National River Cleanup® fostering these connections to build an even stronger river movement! Here’s what local organizers and volunteers have said:
In our community, everything that isn’t picked up ends up in our waterways. […] Trash, littering, and throwing things in the creeks and rivers are a huge problem here and the cleanup is changing people’s hearts and minds!
Kammy Ostrander; 6/12/2021; Leslie County Community Canoe Cleanup, Kentucky Middle Fork River
We had no idea how much local wildlife was here. […] We now have more appreciation for this local habitat.
Volunteer, Mother, local resident (Chicago River Day, Chicago and Calumet Rivers)
The volunteers had no idea how much trash was in the river and were both appalled by it and ready to do their part to clean it up. They were ready to do cleanups every month.
Liz Metzger; 9/17/2021; Ausable River Clean-up, Ausable River
Our volunteers said that they enjoyed seeing a “hidden gem” in the Village and that the day was “therapeutic”.
Kate Chapel; 6/18/2022; Oakwood Stream Cleanup, Tinker’s Creek (tributary)
[A highlight of the cleanup was] getting to meet new people who are interested in conservation and volunteering.
Zach Fletcher; 7/16/2022; Meramec River Cleanup, Meramec River
Onward!
Looking forward, NRC is focusing on expanding and diversifying the cleanup organizer network, facilitating more discussions between cleanup organizers, and creating new resources. We will continue engaging volunteers to participate in in-person and virtual litter collection opportunities and collaborating with companies to host employee and public volunteer opportunities. We are excited to continue championing a powerful river movement within American Rivers’ refreshed strategic direction and invite you to join us as we embark on the next 50 years of action for the rivers all life depends on. Onward!
This blog was written by Corporate Relations Fellow, Kristen Nieves
Each year since 1984, American Rivers’ report on America’s Most Endangered Rivers® has been a call to action for 10 rivers whose fates hang in the balance. The national campaign galvanizes thousands around the country to contact decision makers to do the right thing for rivers and the life they support.
The national spotlight we create with our local partners has spurred successes for rivers from coast to coast. Together, we stopped fracking at the headwaters of the Wild and Scenic Hoback River in Wyoming. We forced a munitions plant on the Holston River in Tennessee to clean up groundwater pollution. And highlighting the threat that dams pose to fish and wildlife in the St. Lawrence River in New York helped spur a plan to improve water quality, support fisheries and bolster the region’s economy. Washington’s Elwha and White Salmon rivers, along with Maine’s Penobscot, which today are nationally recognized dam removal and river restoration success stories, were all once Most Endangered Rivers. So was the Klamath, where the world’s biggest dam removal and river restoration effort kicks off this year.
When applied at the right moment, America’s Most Endangered Rivers® helps local leaders save their rivers and improve the lives and livelihoods of millions of people.
In the words of advocate Lin Wellford on the Buffalo National River, “I definitely think Endangered Rivers played a huge part in taking our plight to a national level. Kudos to you and all your staff for helping us finally hit a tipping point that no one thought we would ever hit. Please spread the news far and wide to give all those other river advocates hope that they too may slay the dragons they face.”
Thanks to our partners and supporters for making these America’s Most Endangered Rivers® victories possible – and may these stories serve as inspiration for others nationwide:
THE EEL RIVER, CALIFORNIA (2023)
Our Endangered River listing helped expedite consensus on the need for dam removal in the Eel River watershed. Thanks to the work of Congressman Huffman, Round Valley Indian Tribes, local advocates, and American Rivers, in November 2023, Pacific Gas & Electric Company released a draft decommissioning plan that included the removal of both Scott and Cape Horn dams. American Rivers continues its advocacy for an outcome that ensures dam removal while preserving water deliveries essential to stakeholder interests. A final decommissioning plan is due from PG&E in January 2025.
BOUNDARY WATERS, MINNESOTA (2013, 2018, 2021)
In early 2023, Interior Secretary Haaland ordered a 20-year mineral withdrawal (mining ban) in Superior National Forest lands in the watershed of the Boundary Waters and Voyageurs National Park. American Rivers supported our partners in the Boundary Waters through America’s Most Endangered Rivers in 2013, 2018, and 2021, shining a spotlight on the damage mining would cause to clean water.
BUFFALO NATIONAL RIVER, ARKANSAS (2017, 2019)
Thanks to the hard work of local advocates and thousands of people from across the country, Arkansas’ Gov. Asa Hutchinson made a deal to close the industrial hog farm that had been impacting water quality and causing algae outbreaks stretching 70 miles downstream in the Buffalo National River.
GILA RIVER, NEW MEXICO (2019)
Our Endangered River listing helped kill a harmful diversion project on the Gila, New Mexico’s last major free-flowing stream. Thanks to opposition by New Mexico Gov. Michelle Lujan-Grisham and Sens. Tom Udall (D-NM) and Martin Heinrich (D-NM), the Department of the Interior declined to extend federal funding for a proposed diversion dam — crippling the project. Upstream, American Rivers and our partners are working to permanently protect the Gila under the Wild and Scenic Rivers Act.
GREEN-DUWAMISH RIVER, WASHINGTON (2019)
In 2020, the King County Flood Control District committed $6.7 million from its 2020 budget to increase salmon habitat and reduce flood risk to nearby communities. The river’s chinook salmon are vital to the Duwamish Tribe and critical to the diet of endangered Southern Resident orcas. However, decades of contamination, floodplain development, and dams have devastated the salmon population. This new commitment will help restore floodplain habitat and protect local communities from increasing flood risks due to climate change.
HOBACK RIVER, WYOMING (2011, 2012)
To stop fracking at the headwaters of the Wild and Scenic Hoback, American Rivers and our partners raised almost $9 million to buy back natural gas leases from a Houston-based energy company. The buyout — combined with existing legislation that bans new oil and gas leasing in the Wyoming Range protects clean water, wildlife, and recreational opportunities for generations to come.
MIDDLE FORK CLEARWATER AND LOCHSA RIVERS, IDAHO (2014)
Multinational companies wanted to transport massive mining and oil processing equipment, known as “megaloads,” along the narrow, winding highway paralleling these Wild and Scenic rivers. Megaloads can be longer than a football field and weigh a million pounds. A 2017 settlement between the Nez Perce Tribe and the U.S. Forest Service upholds Wild and Scenic safeguards and prohibits megaloads from traveling alongside the rivers.
RAPPAHANNOCK RIVER, VIRGINIA (2017)
Rich in American heritage, a healthy Rappahannock River is important to the Chesapeake Bay. But the river has been threatened by fracking. In 2020, the state of Virginia banned fracking in the eastern part of the state, a move that came after a years-long campaign to expose the public health and environmental dangers of fracking, which include contamination of drinking water.
ST. LAWRENCE RIVER, NEW YORK (2016)
Our America’s Most Endangered Rivers listing in 2016 shined a spotlight on dams harming fish and wildlife and helped secure a solution: The U.S. and Canadian governments approved a plan in 2017 to restore more than 64,000 acres of wetlands along the St. Lawrence. The plan will improve water quality, support fisheries and biodiversity, control erosion, and bolster the region’s economy.
SOUTH FORK SKYKOMISH RIVER, WASHINGTON (2012, 2017)
Thanks to seven years of overwhelming public opposition and determined local activism, a proposed hydropower project at Sunset Falls was canceled by the local public utility district. The facility would have rerouted a 1.1-mile stretch of the South Fork Skykomish, reducing the river to a trickle and devastating the spring migration of steelhead smolts and chinook salmon, which are critical to struggling Southern Resident orcas.