HUNTERDON COUNTY, NJ - The Hunterdon County Department of Health has sent an advisory notification to all municipalities, warning of the delivery of potentially contaminated soil, disguised as clean fill, at construction, development and residential sites.

"The Hunterdon County Health Department has received reports of potentially non-compliant soil being offered as clean fill in Hunterdon County, health department director Karen DeMarco said in a release. "In some cases, fill is being offered free to residents online."

"It is a statewide problem," she added. "Dumping contaminated soil could pose a threat to the public safety and health of residents and damage the environment. Contaminants leaching from illegally dumped dirt can pollute neighboring properties and drinking water supplies."

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This fill, the release said, refers to material that is placed on land for the purposes of filling low areas, changing the contours of an area, stabilizing existing grades or raising the grade.

Fill is unacceptable, the release said, if it contains debris mixed in with soils and non-decomposable material.

Municipal officials are encouraged to report suspicious soil or fill dumping to the Hunterdon County Health Department at 908-788-1351.

Residents who receive soil or fill from a contractor or landscaper, the release said, are encouraged to request information on its origin and health.