Deer Creek has been identified as an impaired water body. This project will quantify the reductions in pollutant loading that would be necessary to bring water quality in the creek to an acceptable level. The project also includes collection of any additional data needed for stream channel modeling scenarios.
This project will result in the development of a Total Maximum Daily Load (TMDL) for turbidity for Deer Creek and the Nemadji River, and will also define which reaches of the Nemadji basin may be meeting standards for turbidity. It will also allow the Carlton County Soil & Water Conservation District (SWCD) to become a full and active partner in this TMDL study and implementation project as well as future restoration and protection projects.
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.
This project will support Minnesota's condition monitoring strategy through the collection of water quality data on streams and rivers in the Nemadji River watershed. The Nemadji River watershed is located in southeastern Carlton County and northeastern Pine County. Water quality samples will be collected primarily during weather-related events that affect stream flow such as snowmelt and rainfalls.
The goal of this project is to construct, calibrate, and validate three HSPF watershed models. The project will result in HSPF models that can readily be used to provide information to support conventional parameter TMDLs. The models are expected to generate predicted output timeseries for hydrology, sediment, nutrients, and dissolved oxygen which are consistent with available sets of observed data.
This project will provide a protocol for prioritizing sites in the St. Louis Area of Concern (AOC ) for restoration based on site-specific bioavailability considerations. Despite large data collection efforts focused on sediment chemistry, the extent to which sediment with moderate levels of contamination is available for uptake into biota and therefore contributing to Beneficial Use Impairments (BUI)s is still largely unknown.
This project will provide technical, planning and engineering assistance to the MPCA for the development and implementation of the St. Louis River Remedial Action Plan (RAP). USACE and USEPA in partnership with the MPCA will administer work plans to complete a sediment assessment for Minnesota areas within Superior Bay, St. Louis Bay, Lower St. Louis River and the Upper St. Louis River, encompassing approximately 5,349 acres of the St. Louis River and Estuary.