DENISON, Iowa – Officials with the Crawford County Emergency Management Agency on Friday (Today) updated information concerning an incident that occurred on Monday June 2^nd. On that date, a Denison City employee observed what appeared to be oil leaking from Wheels and Deals, LLC on South 15th Street. The fluid continued West on 5th Avenue South and entered a storm sewer at the corner of 5th Avenue South and South Main Street.

Thursday afternoon (June 5th, 2025), the Denison Fire Department removed the booms (absorbent rolls utilized to contain oil) that were placed on June 2nd, 2025, and noted a minimal amount of oil on the booms, which indicates that product in the river was contained effectively.

Authorities say “The timely response on Monday evening by Denison Municipal Utilities, Denison Public Works, Denison Fire Department, Denison Police Department, Crawford County Emergency Management, and the Iowa Department of Natural Resources kept this incident from escalating any further.”