PUBLIC NOTICE OF STORMWATER DISCHARGE The City of Missouri Valley, Iowa plans to submit a Notice of Intent (NOI) to the Iowa Department of Natural Resources to be covered under National Pollutant Discharge Elimination System. The stormwater discharge will be from stabilization improvements along Longview Road and a new stormwater collection system from Longview Road to D Avenue. The stormwater discharge will be located in the Southeast Quarter (SE1/4) of the Southeast Quarter (SE1/4) of Section 10, Township 78 North, Range 44 West of Harrison County, Iowa. Stormwater will be discharged to the following receiving streams: Timber Creek Lower Willow Creek Boyer River The public may obtain further information or request to review the NOI after it has been received by the department at https://programs.iowadnr.gov/stormwater/, or by contacting the Iowa DNR at 6200 Park Ave Ste 220, Des Moines IA 50321, by phone at 515-725-8200, or by emailing stormwater@dnr.iowa.gov. HCTR 10-15-25