PUBLIC NOTICE OF STORM WATER DISCHARGE

PUBLIC NOTICE OF STORM WATER DISCHARGE The McAninch Corporation, on behalf of MidAmerican Energy plans to submit a Notice of Intent to the Iowa Department of Natural Resources to be covered under the NPDES General Permit No. 2 "Storm Water Discharge Associated with Industrial Activity for Construction Activities". The stormwater discharge will be from the grading and construction of a new electrical substation including a bioretention basin located in SE 1/4 of Section 15, T-79N, R-24W, of Des Moines, Polk County, Iowa. Storm water will be discharged from 1 point source(s) and will be discharged to the following streams: Des Moines River. Comments may be submitted to the Storm Water Discharge Coordinator, Iowa Department of Natural Resources, Environmental Protection Division, 502 E. 9th Street, Des Moines, IA 50319-0034. The public may review the Notice of Intent from 8 a.m. to 4:30 p.m., Monday through Friday, at the above address after it has been received by the department. January 15 2026 LIOW0439236