Chloride  ppm
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        151.0
      
    Ferson Creek at LeRoy Oakes FP Bridge : Ferson Creek
Saint Charles, Illinois, United States
      
      Observed by 
      Jim Baum
    
  - Observed on: Sat, 10 May 2025 15:24:39 -0500
 - Testers Jim Baum and Diane Crater
 - 
      Associated with: 
National Great Rivers : Winter Chloride Watch - Lat: 41.9300439
 - Lng: -88.3511067
 
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