IA DNR investigating fish kill in SE IA Posted By: Ben Butler July 31, 2009 @ 4:52 am Today's Local News Tweet Share Email The Iowa Department of Natural Resources is investigating a fish kill in Southeast Iowa. The state agency responded to a report of dead crayfish in Flint Creek near New London Tuesday. Wednesday Morning the DNR found numerous dead fish. They took water samples to identify possible pollutants responsible for the fish kill. A spokesperson says theyll conduct a fish count and try to identify the source of the kill.