Emergency Operations Center, 330 W. Second St., Ottumwa, IA
641-814-8333

Dam release protocols

GROWING SEASON  MAY 1 – DEC 15

NON-GROWING SEASON  DEC 16 – APR 30

To learn more visit the Army Corps of Engineers page: https://www.mvr.usace.army.mil/About/Offices/Programs-and-Project-Management/Des-Moines-River-Water-Control-Plan-Update/