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7th Avenue Creek Construction Update

This summer, the City began construction on Phase 1 of the 7th Avenue Creek Master Plan.  The overall master plan addresses large-scale flooding along 7th Avenue Creek, from Tyler Road to the Fox River.   Phase 1 construction began in March and is on schedule to be finished this fall.   

Phase 1 improvements include: 

  • Water quality improvements such as restoring a natural meandering creek from S. 10th Avenue to Washington Avenue 
  • Streambank stabilization with native prairie plantings 
  • Flood reduction improvements such as the Installation of new, higher capacity, culverts under South, Indiana and Illinois Avenues 
  • Re-routing of sanitary sewer and water main 

As final restoration and landscape plantings are completed this fall, please keep in mind that native plantings can take two to three years to fully mature and reach their final form. 

This project will lower floodplain elevations, which will remove structures out of the floodplain and reduce the number of storms that will cause the creek to overtop the roadways. The project also will improve the water quality of the creek. 

Grants for this project totaled approximated $1.8M, which were obtained from the Illinois Environmental Protection Agency, the Illinois Department of Natural Resources, and the Kane County Riverboat Fund. 

Additional information is available on the project website: www.stcharlesil.gov/projects/7th-avenue-creek-project

7th Avenue Creek

updated Sep 09, 2021