Flood of 1955 (Connecticut)
| Date | Mid-August 1955 |
|---|---|
| Location | Farmington, Putnam, Waterbury, and Winsted |
| Deaths | 87 |
| Property damage | $200 million in 1955 US dollars |
The Flood of 1955 in Connecticut is one of the worst floods in Connecticut's history. Two back-to-back hurricanes saturated the land and several river valleys in the state, causing severe flooding in August 1955. The hardest hit were the Mad and Still Rivers in Winsted, the Naugatuck River, the Farmington River and the Quinebaug River. Towns that suffered much loss include Farmington, Putnam, Waterbury, and Winsted. Almost 90 people died during the flooding, and property damage across the state was estimated at more than $200 million, in 1955 figures. The floods prompted changes in safety measures, river monitoring and zoning laws.
The flooding was caused by the rains from two hurricanes – Hurricane Connie and Hurricane Diane. On August 11, Hurricane Connie swept through the East coast—missing Connecticut, but bringing about 4 to 6 inches of rainfall to the state on August 13. Hurricane Diane came through the following week. The path of Hurricane Diane came closer to Connecticut, after soaking up waters from the Atlantic Ocean. Once the hurricane reached the coast of Long Island, it dumped an additional 13 to 20 inches of rain on Connecticut over a two-day period. The heavy rains on already-saturated ground made several rivers in the region begin to overflow. Massachusetts, New York and Rhode Island experienced flooding, but Connecticut was hardest hit in New England. New Jersey, Delaware and Pennsylvania were also hit by flooding caused by the two hurricanes. Two months later, another storm brought an additional 12 to 14 inches of rain to New England—hitting some communities that had been affected by the August floods, and others that had escaped.
The rains poured down for much of the day Thursday, Aug. 18, starting at about 3 a.m. By 11 p.m., the Shepaug River and brooks in the western portion of the state had begun to overflow their banks. In Waterbury, the water reached an estimated 35 feet in places, and was reported to have moved at rates up to 50 miles per hour. While major rivers, such as the Connecticut River, had flood control measures in place, smaller rivers and brooks did not. That's where the major damage occurred. The Housatonic River in Western Connecticut reached 24.50 feet—its highest levels until October 1955, when it again reached 24.50 feet.
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