Scarborough, Maine, zip code 04074, currently holds a critical environmental hazard designation due to concentrated regional contamination. The geographic area is severely impacted by sixteen registered hazardous waste sites within a ten-mile radius, including four high-priority facilities located within five miles. The primary environmental threat stems from the Keddy Mill Superfund site, located just 2.6 miles from the central zip code area. Under Environmental Protection Agency oversight, Keddy Mill maintains an active National Priorities List status, indicating that long-term remedial cleanup operations, structural demolition assessments, and extensive environmental monitoring efforts remain actively ongoing.

The facility’s primary contaminants involve unspecified hazardous substances linked to historical commercial steel and heavy manufacturing operations. While exact chemical profiles vary across active remediation zones, which also include nearby Village Cleaners Westbrook and SNV Cleaners, exposure to legacy industrial byproducts typically occurs through groundwater migration or soil vapor intrusion into residential basements. Chronic exposure to these ambient environmental toxins can compromise respiratory, neurological, and hepatic functions, making continuous localized environmental mitigation critical for community health.

To minimize potential exposure risks, residents relying on unregulated private residential wells must immediately schedule professional comprehensive water testing specifically targeting heavy metals and volatile organic compounds. Furthermore, households should install certified reverse osmosis filtration systems to secure all residential drinking water supplies against toxic subsurface contamination migration. Finally, residents must consult state environmental health advisories before consuming fish or game harvested from surrounding waterways, as historical industrial runoff severely impacts sensitive local aquatic ecosystems adjacent to these active federal cleanup sites.