Water Quality

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Parish

Body of Water

Problem

Suspected Cause

Notes
Bienville        
  Saline Bayou High levels of organic matter; low dissolved oxygen Unknown  
    Elevated mercury and phosphorus levels Atmospheric deposition  
  Saline Lake High levels of organic matter; low dissolved oxygen Natural sources  
Bossier        
  Bodcau Bayou High levels of organic matter; low dissolved oxygen Natural sources  
  Cypress Bayou Taste, color, and odor negatively impacting drinking water supply Natural conditions  
    High levels of organic matter; low dissolved oxygen Natural sources  
  Cypress Bayou Reservoir Taste, color, and odor negatively impacting drinking water supply Natural conditions  
    High levels of organic matter; low dissolved oxygen Natural sources  
  Flat River Non-native aquatic plants Human introduction of non-native plants  
    Elevated levels of fecal coliform Agriculture/livestock Impaired for Primary Contact Recreation
    High levels of organic matter; low dissolved oxygen Combination of factors  
    High levels of nutrients (nitrogen) and total dissolved solids (TDS) Urban runoff; agriculture  
  Lake Bistineau Non-native aquative plants Human introduction of non-native plants  
    Elevated levels of mercury Atmospheric deposition; unknown  
  Red River Taste, color, and odor negatively impacting drinking water supply Upstream source  
    Sulfates Sources outisde state line or jurisdiction  
Claiborne        
  Bayou D'Arbonne Taste, color, and odor negatively impacting drinkin water supply Natural conditions  
    Low pH/acidity/caustic conditions Naturally occurring organic acids  
    Fecal coliform Municipal point source discharges Impaired for Primary Contact Recreation
    High levels of organic matter; low dissolved oxygen    
  Corney Bayou High levels of organic matter; low dissolved oxygen Unknown  
    Low pH/acidity/caustic conditions Naturally occurring organic acids  
  Corney Lake Elevated levels of mercury Atmospheric deposition  
    Low pH/acidity/caustic conditions Naturally occurring organic acids  
    High levels of organic matter; low dissolved oxygen Unknown  
  Cypress Creek Fecal coliform Package plant/other permitted discharger  
    Elevated levels of sulphates and TDS Natural conditions  
  Middle Fork - Bayou D'Arbonne High levels of organic enrichment; low dissolved oxygen Natural sources  
Jackson        
  Dugdemona River Fecal coliform Agriculture; municipal sewage discharge Impaired for Primary Contact Recreation
Lincoln        
  Bayou D'Arbonne SEE BAYOU D'ARBONNE ABOVE    
Union Bayou D'Arbonne SEE BAYOU D'ARBONNE ABOVE    
  Ouachita River Taste, color, and odor negatively impacting drinking water supply Natural conditions  
    High levels of organic matter; low dissolved oxygen Hydromodification; agriculture  
    Elevated levels of mercury and phosphorus Atmospheric deposition; natural conditions  
    Elevated levesl of nutrients (nitrogen) Hydromodification; agriculture  
Webster        
  Bayou Dorcheat High levels of organic matter; low dissolved oxygen    
    Elevated levels of mercury Atmospheric depostion; unknown  
  Bodcau Bayou High levels of organic matter; low dissolved oxygen Natural sources  
  Lake Bistineau SEE LAKE BISTINEAU ABOVE    
Winn        
  Dugdemona River SEE DUGDEMONA RIVER ABOVE    
  Red River SEE RED RIVER ABOVE    
  Saline Bayou SEE SALINE BAYOU ABOVE    
  Saline Lake SEE SALINE LAKE ABOVE    

*INFORMATION TAKEN FROM THE 2006 303(d) LIST