Cause of milky-white water in Coldwater Creek identified

Photo Credit: KMOV

HAZELWOOD, Mo. ( - The Missouri Department of Natural Resources has identified who is responsible for the milky-white contamination in Coldwater Creek.

Pavement Solutions is responsible for the contamination in the creek. The DNR issued an Abatement Order for the immediate removal of the milky-white contamination from the creek.

The DNR says the contaminant is a concrete additive product called Modifier A/NA. The Material Safety Data Sheet for the product says it has a low toxicity level for human and aquatic life.

Pavement Solutions is using vacuum trucks to remove the contaminated water. The DNR has coordinated with federal and local officials such as the United States Army Corps of Engineers, the Missouri Department of Health and Senior Services and the Metropolitan Sewer District, to make sure the contaminants are properly disposed.

The DNR says the contamination resulted from an accident involving a truck that was transporting the product on McDonnell Boulevard on September 30. Pavement Solutions contacted the DNR's Environmental Emergency Response Spill Line after the accident but the company said the spill had been properly cleaned and disposed.

On October 2, the Environmental Emergency Spill Line received complaints of a milky-white substance in Coldwater Creek at 10:40 a.m., according to the DNR. The department sent staff to the location to examine the creek and take samples.

During the investigation, the DNR says they received information from several members of the public, including Pavement Solutions, expressing the contamination was a result of the spill on September 30. The contamination is not related to Formerly Utilized Sites Remedial Action Program remediation efforts, according to the DNR.

Laboratory analysis is currently underway.

Copyright 2016 KMOV (Meredith Corporation). All rights reserved.

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