The anticipated heavy rain and snowmelt could lead to significant water accumulation and potential flooding in Niagara Falls, NY, particularly in areas with older plumbing systems. Residents may experience slow drains, standing water, and even sewer backups, which could result in property damage and health risks. The city's historic housing stock, with its aging clay sewer laterals, is especially susceptible to these issues. Prompt action to address potential blockages is crucial to mitigate these risks.