We don't have the information to get a handle on the problem. It could be ongoing mercury contamination. It could be just a temporary incident that was cleaned up with no more problems.
That recommendation applies to the state of Nevada as well.
What was so frustrating for us was not getting our hands on the details.
The frustrating thing for us is when we try to find out when it actually occurred (closure to swimming, fishing or drinking), we couldn't get those details from the state.