Manchester Flood Map

Real-time gauge levels and flood conditions for Manchester, NH

Manchester sits along the Merrimack River and has experienced major flooding events, including the 1936 flood that inundated its historic mill district along the riverbank.

Key waterways: Merrimack River. Monitoring NOAA gauges within 20 miles.

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Real-Time US Flood Map — Live Water Levels, Flood Alerts & Conditions