A critical environmental hazard designation currently applies to the Plaistow, New Hampshire area, encompassing ZIP code 03865, due to significant local industrial contamination. Residents live within a ten mile radius of thirteen active hazardous waste locations, including three within a five mile proximity. The most notable nearby Superfund location is Blue Ribbon Drycleaners, situated 3.4 miles from the area center. This facility, along with others like Gruhn Engine Repair and Flynn’s Car Care Center, remains in active status on the Environmental Protection Agency’s National Priorities List. This active classification indicates that federal remediation efforts, site assessments, and ongoing monitoring are currently underway but incomplete.

Federal records list the primary threats from these facilities as unspecified hazardous substances. Given the historical operations of dry cleaning and automotive repair sites, these contaminants typically include volatile organic compounds, heavy metals, and chlorinated solvents such as perchloroethylene. Human exposure to these industrial chemicals occurs primarily through groundwater leaching or soil vapor intrusion into residential basements. Chronic exposure poses severe health risks to residents, including neurological damage, liver toxicity, respiratory distress, and an elevated risk of specific cancers.

Due to the active contamination status, residents must implement immediate safety protocols. First, individuals utilizing private wells should test their water supply twice annually for volatile organic compounds and heavy metals through a state certified laboratory. Second, property owners must install continuous ventilation systems or vapor barriers in below ground living spaces to mitigate potential soil vapor intrusion. Finally, households should utilize certified carbon water filtration systems for all tap water to intercept residual subsurface contaminants before human consumption.