This interactive map identifies advisories on the consumption of fish from waterways in Iowa and its six adjacent states — Minnesota, Wisconsin, Illinois, Missouri, Nebraska, and South Dakota.
This map is a work in progress for Minnesota locations — not ready for citation.
Sources: Iowa, Minnesota, Wisconsin, Illinois, Missouri, Nebraska, South Dakota.
Key: RED=mercury, YELLOW=PCBs, GRAY=lead, BLUE=Chlordane, MAGENTA=dioxin, GREEN=multiple contaminants