A Washington mill chemical disaster has shocked the industrial town of Longview after a massive chemical tank collapsed at a paper mill, killing 11 people and injuring others. The accident happened on Tuesday morning at the Nippon Dynawave Packaging Co. facility, a long-running industrial site along the Columbia River. The tank rupture released a large flow of dangerous chemicals used in paper production, causing one of the deadliest workplace accidents in recent US history.
The tank held more than 500,000 gallons of a chemical mixture used to break down wood for paper manufacturing. When it failed, it released a sudden flood of highly caustic liquid across the site. Workers described powerful force from the spill that was strong enough to overturn pickup trucks and damage buildings inside the plant.
Local officials said the cause of the collapse is still under investigation. Emergency crews rushed to the scene after reports of explosions and chemical exposure. The facility was quickly sealed off as safety teams worked to control the situation and prevent further harm.
The disaster has deeply affected the tight-knit community of Longview, a city built around the timber and paper industry. The town was founded more than a century ago to support mills along the Columbia River. Over time, generations of families have worked in the same industrial plants, making the mills central to both the economy and daily life.
Washington state Senator Jeff Wilson, who lives near the plant, said he personally knows many of the workers. He said he had worked inside the same facility in the past and rushed to check on his son, who also works at the site, after hearing sirens. Wilson described the victims as friends and neighbors, saying the tragedy has hit the entire community.
Residents say the mills are deeply connected to everyday life in Longview. Many people have family members working in the plant or related industries. Some can even see the industrial complex or smell the strong sulfur-like odor from their homes. The paper and timber industry has long been the backbone of the city’s economy.
The Nippon Dynawave plant is a major employer in the region, with around 1,000 workers. It produces materials used in everyday products such as tissues, cups, cartons, and printing paper. Its parent company, Nippon Paper Group based in Tokyo, said it is now reviewing the financial and operational impact of the disaster.
As families wait for answers, grief has spread across the town. Local fundraisers and community groups are supporting those affected. Reports from the community describe victims including a grandfather known for helping others, two brothers supporting their families, and a father who left behind young children and a pregnant wife.
The emotional impact has been felt across workplaces, schools, and homes. Many residents know someone who worked at the mill. One local server said she feared she had lost her father after he could not be reached following the explosion. He was later found safe after finishing his shift.
Community members gathered in downtown Longview for vigils to honor the victims. Leaders and residents described the town as tightly connected, with nearly every family linked to the mills in some way. Local lawmakers stressed that while the industry provides vital jobs, it also carries serious risks that must be managed carefully.
State Representative Jim Walsh said the tragedy shows the importance of balancing industrial production with safety. He emphasized that real-world industries always involve risks, but said those risks must be controlled to prevent future disasters.
The paper mill site, which dates back to 1953, remains closed as investigators work to determine what caused the tank to fail. Engineers and safety experts are now examining whether equipment failure, maintenance issues, or structural problems led to the rupture.
For many in Longview, the disaster is more than a workplace accident. It is a personal loss felt across an entire town built on industrial work. Residents say the mills are not just jobs but part of family history stretching back generations.
As investigations continue, the community is focused on supporting grieving families and waiting for answers. Many hope the findings will lead to stronger safety measures so such a tragedy never happens again.

