Holyoke Dam Overflows During Unexpected Connecticut River Flooding

Holyoke Dam Overflows as Connecticut River Reaches Minor Flood Stage Holyoke, MA – On Sunday, May 11, 2025, the Connecticut River in Holyoke, Massachusetts, reached a minor flood stage, causing the Holyoke Dam to overflow. The river level rose to 12.6 feet, exceeding the typical "Bankfull" level of 12 feet. This unusual event is a stark contrast to the typically dry conditions of the dam. "The dam is normally dry as a bone," said a local resident who filmed the video and shared it online. "Recent, prolonged rainfall has transformed a usually tranquil river into a monster." The video clearly shows the powerful current rushing over the dam. The flooding is a result of several days of heavy rainfall in the region. While the flood level was classified as minor, it still caused concern among residents and highlighted the impact of extreme weather events. The swift action of local authorities in monitoring the situation and ensuring public safety contributed to a positive outcome, with no major damage reported. The event serves as a reminder of the unpredictable nature of weather and the importance of preparedness.