The Clayville, Rhode Island area, encompassing ZIP code 02815, currently operates under a critical environmental hazard designation due to a severe concentration of industrial waste sites. Environmental assessments identify twenty five hazard sites within ten miles, with four located strictly within a five mile radius. Notable nearby facilities include R and R Jewelry Inc. and the Hope Town Dump, but the primary regulatory concern is the Coventry Nike Control Area, located exactly 4.5 miles from Clayville.

The Coventry Nike Control Area maintains an active status on the EPA National Priorities List, indicating that federal cleanup and containment operations are currently in progress. The EPA cites unspecified hazardous substances as the primary contaminants at this former military installation site. While unspecified by current documentation, these substances typically include volatile organic compounds, heavy metals, and legacy industrial chemicals. Exposure to these compounds often occurs through groundwater leaching or soil vapor intrusion, potentially leading to chronic respiratory distress, neurological impairment, and elevated cancer risks for residents living down gradient from the source.

Due to the active regulatory status of these multiple sites, residents must implement protective measures immediately. Households relying on private wells should commission independent water testing for heavy metals and volatile organic compounds annually, as municipal testing does not cover private groundwater sources. Residents should also install certified reverse osmosis water filtration systems to mitigate potential ingestion of leaching contaminants. Finally, individuals maintaining agricultural or residential gardens should test their topsoil for heavy metals before cultivating edible plants to ensure safety.