CAMANCHE — A tanker truck carrying used motor oil to an asphalt plant near Clinton tipped over around 11 a.m. Monday near the entrance to Rock Creek Marina, spilling nearly 300 gallons of oil.

According to Brent Earley, an environmental specialist with the Iowa Department of Natural Resources, several factors came into play to make the accident “an inconvenience rather than an environmental disaster.”

The truck, owned by Future Environmental Inc. out of Mokena, Ill., was hauling around 6,800 gallons of oil when the driver got lost, according to Chance Kness, Clinton County Emergency Management Agency Coordinator. The driver attempted to back up out of a dead end on 291st when his back tires went off the road. The trailer then popped off the cab and tipped over, leaking oil onto the road.

According to Earley, the fact that the tanker was composed of steel rather than aluminum played a big role in keeping the spill to a minimum.

Park conservation employee Eric Wright, who happened to be returning a backhoe to the park office at the time of the spill, responded quickly, using the equipment to make an earthen berm to prevent the oil from leaking into the waterway.

“They knew what they were doing,” Kness said. “They kept it from becoming a more serious spill.”

The trucking company’s own HAZMAT cleanup team also responded to the incident, as did the Low Moor Fire Department, the Clinton County Sheriff’s Department, and the DNR.

The county highway department arrived to route traffic around the incident.

According to Earley, crews worked at the scene until 9:30 Monday night, and the spill has been fully contained. Earley confirmed that no oil had spilled into area waterways.

Crews from Future Environmental Inc. returned to the scene to transfer the tanker’s remaining oil onto another truck, and removed the tipped vehicle from the scene.

The road will be steam cleaned today, and the contaminated soil at the site will be taken to a facility in Marion for disposal. The remaining soil will be sampled to ensure no additional contamination remains, and replacement dirt will be brought in.

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