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 Stream Quality: Adaptive Management Approach

 

 

 Bioassessment Plan for the DuPage River Watershed

Being able to track water quality improvements over time will help us to better understand what projects are truly successful and how to prioritize future work. The Lower DuPage River Watershed Coalition has adopted a Bioassessment Program that is designed to assess all aspects of the aquatic systems and provide a benchmark from which future progress will be measured. The data and analysis completed will provide guidance and information for watershed management activities.

The Coalition started a comprehensive biological, chemical and physical assessment of the Lower DuPage River Watershed in the summer of 2012. This inital assessment included sampling 26 stations across the watershed including sites on the main stem DuPage River and six of the tributaries that drain into the DuPage River. Fish, macroinvertebrates, habitat and water and sediment chemistry data was collected at all of the sites. This data along with historical information, wastewater treatment plant data and dissovled oxygen data is being compiled into an overall assessment of the watershed and help identify stressors to biological health. A link to the final report for the 2012 sampling can be found below. This assessment will be completed every three years to track the health of the watershed and assess the success of water quality improvement projects. In 2015 approximately 45 stations will be sampled. Download the KMZ file to see sampling site locations:

Download .KMZ file for Google Earth of sampling site locations.

The Coalition contracted with Midwest Biodiversity Institute to develop the bioassessment program plan. This plan describes the methodology for choosing sites and sampling techniques. The data collected through this program will be used locally to help guide resource management activities to improve water quality. The data will also be used by the Illinois Environmental Protection Agency for water quality assessment purposes.

 

Specific objectives of this study were to:

1) Complete a comprehensive assessment of biological assemblages (fish and macroinvertebrates) and habitat within the targeted watersheds.

2) Establish a baseline for comparison to future conditions in response to management activities.

3) Determine the role of potential stressors at the local reach scale.

 

Download the 2012 Biological & Water Quality Study for the Lower DuPage River

 

Contact Us


10S404 Knoch Knolls Road

Naperville, IL 60565


Phone: 630-428-4500

Fax: 630-428-4599

E-mail: Jennifer Hammer

 

 

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