Home / Environment / Seattle's New Light Rail Kills Fish Over Lake Washington
Seattle's New Light Rail Kills Fish Over Lake Washington
6 Sep
Summary
- Around 2,000 fish found dead near new light rail electrical equipment.
- Suspected cause: fish contact with energized components or stress.
- Environmental concerns arise for Lake Washington's ecosystem.
Light rail service launched over Lake Washington in March 2026, connecting downtown Seattle to the Eastside. However, approximately 2,000 fish have been found dead near electrical infrastructure hanging beneath the I-90 floating bridge. This situation has raised significant environmental concerns among biologists and residents.
Investigators suspect that fish may be coming into contact with energized electrical components or experiencing stress from electromagnetic fields. Early findings suggest that some equipment, possibly cables or connectors, may not be adequately insulated, leading to fish injury or death. This issue is of particular concern given Lake Washington's importance as a habitat and recreational area.
Sound Transit is actively investigating the fish deaths alongside state and federal agencies. Efforts include inspecting electrical equipment for faults, monitoring fish mortality, and coordinating with wildlife biologists. Potential solutions being explored involve improved insulation, rerouting hardware, fish deterrents, and operational adjustments.
This incident serves as a critical reminder for infrastructure projects, highlighting the potential for unintended environmental consequences even when sustainability is a goal. Future projects in sensitive waters may require more rigorous monitoring and adaptable response plans.