The U.S. Environmental Protection Agency responded to a release of hazardous substances impacting a storm water ditch in Lenexa, Kansas on April 21, 2023. Concrete Strategies was identified as the source of the substance and took voluntary actions to address the release. The EPA incurred oversight costs through January 13, 2025, totaling $33,425.79 plus interest in response to the release Concrete Strategies paid the full response costs.