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ATSDR Press Room

ATSDR releases final Coldwater Creek report

North St. Louis County, Missouri

Tuesday, April 30, 2019

ATLANTA, GA - The Agency for Toxic Substances and Disease Registry (ATSDR) has released its final public health assessment report, “Evaluation of Community Exposures Related to Coldwater Creek,” in North St. Louis County, MO.

The report considered exposures to people who played or lived along Coldwater Creek downstream from historical radioactive waste storage piles, both in the past (1960s to 1990s) and more recently (2000s and on). ATSDR concluded that residents who regularly played or lived along the creek for many years in the past may have an increased risk of lung cancer, bone cancer, or leukemia. Residents who lived along the creek more recently may have an increased risk of lung cancer.

The final report incorporates responses to comments received on a draft report during a June through August 2018 public comment period. Several details of the evaluation changed, but ATSDR’s overall conclusions and recommendations remain the same.


  • Recommends that potentially exposed residents or former residents share their potential exposure related to Coldwater Creek as part of their medical history and consult their physicians promptly if new or unusual symptoms develop.
  • Supports the Formerly Utilized Sites Remedial Action Program’s continued investigation and cleanup of Coldwater Creek sediments and floodplain soils.

ATSDR’s final report is available for review at, or a copy can be reviewed during regular business hours at the Florissant Valley Branch of the St. Louis County Public Library at 195 New Florissant Road.

For more information about ATSDR’s Coldwater Creek report, community members can call 1-800-CDC-INFO (1-800-232-4636), or email


ATSDR, a federal public health agency of the U.S. Department of Health and Human Services, evaluates the potential for adverse human health effects of exposure to hazardous substances in the environment.

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