NPDES WET Case Studies

Case studies report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.

• Effluent and Ambient Toxicity Testing and Instream Community Response on the Ottawa River, Lima, Ohio (pdf) (6.12 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact on Five Mile Creek, Birmingham, Alabama (pdf) (6.7 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Back River, Baltimore Harbor, Maryland (pdf) (4.98 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Kanawha River, Charleston, West Virginia (pdf) (3.26 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Naugatuck River, Waterbury, Connecticut (pdf) (7.21 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Ohio River, Near Wheeling, West Virginia (pdf) (3.12 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Scippo Creek, Circleville, Ohio (pdf) (4.18 MB)
• Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Skeleton Creek, Enic, Oklahoma (pdf) (2.73 MB)