据美国《工程新闻记录》1974年11月7日报道,1974年11月初,纽约州北部连接五大湖和哈德逊河水深3.6米的通航运河崩坍,淹没了罗切斯特东南25.6～38.4平方公里土地,水深1.2米。洪水量约有38万立米,一人受重伤,许多人爬上屋顶避水。41所房屋严重破坏。在出事地点有直径1.5米钢衬砌涵洞穿过运河。涵洞顶部距河底7～8米。 According to the U.S. “Engineering News Record” reported on November 7, 1974, in early November 1974, the navigation lakes connecting the Great Lakes and the Hudson River 3.6 meters deep in the northern part of New York City collapsed, flooding 25.6-38.4 square kilometers of southeastern Rochester land with water depth 1.2 meters. About 380,000 meters of floods were caused and one was severely wounded. Many climbed to the roof to avoid water. 41 houses were severely damaged. At the site of the accident there was a 1.5 meter diameter steel culvert culvert running through the canal. Culvert at the top of the river from 7 to 8 meters.