NOTN- Residents affected by recurring glacial lake outburst floods in Juneau are calling for a faster path toward a long-term flood mitigation solution, arguing that years of annual preparation, uncertainty and recovery are taking a growing toll on the community.
Members of Juneau Flood Solution Advocates gathered recently at Chapel by the Lake to hear updates from scientists studying Suicide Basin as well as mining industry leaders to discuss potential solutions for reducing the threat posed by floods along the Mendenhall River.
The grassroots group formed in 2024 following major flooding in the Mendenhall Valley. Since then, members have worked to support neighbors, coordinate resources and advocate for permanent flood mitigation measures.
“We can’t do this every year,” said Debbie Penrose Fisher, a member of the group, “Whatever it takes to get this expedited on a fast track, and to include local experts, that’s the path to the finish line. Folks are exhausted, and they’re exhausted from the equipment, the noise, the intrusion on their property, to the anxiety of preparing, and we just want a solution.”
Many residents have expressed frustration with the timeline for a permanent solution. The U.S. Army Corps of Engineers has been studying several long-term mitigation options, including a proposed tunnel that would continuously drain water from Suicide Basin to reduce the likelihood of catastrophic releases.
Fisher said some residents would like to see additional expertise brought into the discussion, including mining industry engineers with experience in large-scale tunneling and earth-moving projects.
“The mining industry can do this. They do this all the time,” Fisher said, “The challenge is that, and the city is working really hard to protect us, The Corp is saying six plus years until a long term solution, and even recently are back to 10 to 15 years. We can’t wait that long. We can’t. Our push is to get the mining industry into a conversation with the Corps, so together they can solve this.”
At the same time, city officials say the challenge remains unprecedented and requires balancing safety, environmental concerns, costs and regulatory requirements.
“There is no playbook for how to address glacial lake outburst flooding in an urban area,” Said Deputy City Manager Robert Barr in an email response to News of the North, “For every decision, we and our counterparts at other agencies are having to balance public safety considerations, cost and fiscal considerations, and the regulatory processes that bound any mitigation actions.”
Officials said they understand residents’ concerns and are continuing to gather public input through community meetings and outreach efforts. Many of the same questions being asked by residents are also being asked by city leaders, including what future floods may look like, what would happen if temporary flood barriers fail and how permanent solutions can be implemented as quickly and safely as possible.
The city has invested heavily in temporary flood protection measures, including the installation and reinforcement of HESCO barriers along vulnerable sections of the river. Officials say those efforts helped reduce damage during a larger flood event last year compared with the devastating flooding experienced in 2024.
“Nature always has the potential to humble us,” Barr said. “No human-created solution to a natural phenomenon is going to be perfect.”
He emphasized that current projects are intended to reduce risk while longer-term solutions are evaluated.
The city also noted that the flood threat is unlike any faced by another urban community worldwide.
“This hazard does not occur in any other urban area in the world,” officials said. “Which is why it is so critical for us all to be working together and pulling in the same direction. The way our community has come together to research and learn about the science and potential solutions is impressive. It wasn’t too long ago where we became a community full of knowledge and understanding about things like antigens and antibodies, PCR tests and vaccines. Today, we’ve learned more than we ever thought we would about glacial dynamics, dams, levees, bank armoring, and tunnels. I’m optimistic, with all of the people and agencies tackling this problem, we’ll get to a solution as quickly as possible.”
While no definitive timeline has been established for a permanent solution, city officials said the situation remains fluid and pledged to keep residents informed as new information becomes available.
Upcoming public engagement opportunities include a Community Flood Preparedness Training event scheduled for July 11 at Dimond Park and a July 20 Committee of the Whole meeting, where U.S. Army Corps of Engineers officials are expected to provide updates on ongoing studies and mitigation efforts. Officials encouraged residents with questions or concerns to contact the city at floodresponse@juneau.gov or reach out to their Assembly representatives
