It 's unclear how many of the affected structures are residential homes . Maquoketa River dam failed Sunday as a result of heavy rainfall in the region . Chet Culver . Iowa Gov will tour the affected region Saturday . The Lake Delhi dam , about 45 miles north of Cedar Rapids , failed Saturday as a result of `` massive rain -- a very unusually high amount this season , '' according to Jim Flansburg , communications director for Gov . No injuries were reported in the flooding .
It 's unclear how many of the affected structures are residential homes . Maquoketa River dam failed Sunday as a result of heavy rainfall in the region . Chet Culver . Iowa Gov will tour the affected region Saturday . No injuries were reported in the flooding .