The Haddam Municipal Landfill, identified by EPA ID 110009334648, is currently listed as an active site on the National Priorities List. Environmental investigations focus on unspecified hazardous substances that have historically contaminated the area. Exposure pathways primarily involve groundwater migration and soil vapor intrusion, which can transport toxins from the landfill into residential areas. Health risks associated with landfill contaminants often include long-term respiratory issues, skin irritation, or more severe systemic illnesses depending on the specific chemicals present. The EPA monitors this site to contain the spread of pollutants and manage the cleanup process. To protect your household, implement three specific defensive measures. First, install a high-quality carbon filtration system for all household water if you rely on a private well. Second, maintain a shoes-off policy indoors to prevent tracking potentially contaminated soil into living spaces. Third, ensure your home has a functioning soil gas mitigation system to reduce the risk of inhaling underground vapors. Regularly check the EPA Superfund site profile for updates on remediation progress and testing results in the Higganum area.