Additional data collection is recommended to determine sources of these contaminants. Fecal coliform bacteria are a possible concern. Elevated nutrients have been ruled out as a possible concern in this segment. Fecal coliform bacteria are a possible concern. The possible concerns for elevated nutrients and concern and possible concerns for trace metals have been eliminated based on further data analyses.
Nickel remains as a concern.
Recent data analyses show copper, lead, and mercury can be eliminated as possible concerns. Elevated nutrients can also be eliminated as a possible concern because available data do not indicate adverse water quality impacts from these nutrients. Due to ship and barge traffic, contact recreation is not safe. Based on conclusions from these data, the finding of concern may be eliminated. Nickel is a concern.