The state has levied a fine and a cleanup order for a Holtsville commercial property where illegal sand mining and solid waste dumping occurred, said officials with the Department of Environmental Conservation.

The site on Furrows Road was one of the targets of an investigation by the Suffolk County district attorney’s office into sand mining on Long Island last year. The state Department of Environmental Conservation also investigated the site starting last summer.

The owner of the property, identified as the Joan Ciardullo Trust and Estate of Albert Ciardullo, must pay a $700,000 fine and clean up the site.

“This was a classic ‘scoop and fill’ case. Illegal mining activity was followed quickly by illegal landfilling of solid waste,” said DEC Commissioner Basil Seggos in a news release. “We succeeded in getting those responsible to take action for a full site restoration, and I applaud the work of our Environmental Conservation Officers and other agency staff who worked on this important action.”

A message left for the phone number associated with the trust was not returned.

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The violations on the site included mining more than a thousand tons, or 750 cubic yards of minerals in a year, without a permit and failing to submit a land-use plan for the operation on a mine. The property owners were also found to have used solid waste as backfill in a mined property without a permit or authorization.

The property owners signed an order on consent and will be required to submit a soil characterization work plan to the DEC for approval. An environmental monitor from the DEC will oversee the site remediation and other DEC staff will assess air quality in mid-September.

The property owners paid $100,000 of the DEC penalty at the time of the consent order, and will pay another $250,000 for an environmental benefits project. If the owners implement the consent order, the DEC will suspend the other half of the $700,000 fine.

“The settlement addresses the seriousness of the violations and sends a clear signal to those who consider breaking New York State’s environmental laws for personal gain — DEC is watching,” Seggos said.