Detailed text transcripts for TV channel - CNN - 20170902:21:40:00
Houston water testing lab to investigate. what do you think is in this water? >> based on sampling that we have done during previous flooding events we are pretty sure there are various bacteria sewage related. things like fecal strep. >> reporter: that's not all. we're testing for chemicals. >> yeah. this is for the various regulated metals that are of immediate health -- >> reporter: like arsenic, lead. >> yeah. cadmium. >> reporter: this water is everywhere and the contamination -- >> everywhere. >> reporter: what does this mean for the people in the water? we asked the doctor an emergency ...