(Brookville, IN)--An alert has been issued for boaters and swimmers who use Brookville Lake. The DNR has issued a blue-green algae advisory for Brookville Lake. Extended exposure can lead to rashes, eye irritation, and nausea. Swimmers should avoid swallowing the water and should shower after swimming. Other large area lakes, including Acton Lake at Hueston Woods and Lake Lakengren, have not shown signs of a significant algae bloom.