Bartlett Lake in Koochiching County is impaired for eutrophication and has already undergone a paleolimnological study. This project will utilize the data and results of paleolimnological study to develop in-lake management strategies that, if implemented, could significantly improve the water quality of Bartlett Lake.
The Drinking Water Contaminants of Emerging Concern (CEC) program identifies environmental contaminants for which current health-based standards currently do not exist or need to be updated, investigate the potential for human exposure to these chemicals, and develop guidance values for drinking water. Contaminants evaluated by CEC staff include contaminants that have been released or detected in Minnesota waters (surface water and groundwater) or that have the potential to migrate to or be detected in Minnesota waters.
The purpose of this project is to gather data specific to developing a site-specific standard for phosphorus for Upper and Lower Red Lakes. These are large shallow lakes that are located in an area where no shallow lake standard exists. Because of these lakes' unique characteristics, it is believed that a site-specific standard is more appropriate than the deep lake standards that currently exist. This project will include additional chemistry and flow monitoring of tributaries to the lakes, as well as outflow of Lower Red Lake to the Red Lake River.