There was a brief secondary video where an official spouted exactly that when the tap water was declared safe even though the chemical smell was still present, but I can't find the clip anywhere now.
The closest I could find is in here:
http://www.cnn.com/2...al-contamination/
"Basically they had to monitor the runoff from the rain and send us the results every quarter. Those were the only regulatory requirements," Huffman said. "The materials they were storing there is not a hazardous material."