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UST Release Reporting

Iowa law requires owners and operators of Underground Storage Tank (UST) systems to report a confirmed or suspected release of "regulated substances," which includes petroleum, to the Department of Natural Resources (DNR) within 24 hours or within 6 hours if a hazardous condition exists [567 Iowa Administrative Code (IAC)—135.6 & Iowa Code section 455B.386]

Releases of petroleum from non-regulated sources such as heating oil tanks, aboveground storage tanks, and farm and residential tanks must also be reported to DNR within 6 hours if a hazardous condition exists.  To report a release, contact Emergency Response, the field office in the region where the release occurred, and the UST Section at the DNR central office.   

  1. DNR Spill Reporting (24 hour phone) (515) 281-8694 or fax (515) 281-7229
  2. DNR Field Office Contacts
  3. UST Central Office: (work hours phone) 515-725-8200 or fax 515-725-8202

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