On January 15th, the West Virginia Gazette published CDC director Thomas Frieden’s letter to the West Virginia Department of Health & Human Services concerning the drinkability of water contaminated by the January 9th chemical spill. In the letter, Frieden advises that pregnant women seek an alternative water source until contamination levels are undetectable.

Read the full letter here

Water sample information provided by the West Virginia Division of Homeland Security and Emergency Management.   This sampling was conducted between 1-11-14 and 1-14-14. The department has not published any information about who did these tests or the specific compound tested for, but presumably the results are for 4-MCHM.

Water sampling results posted January 18th – full pdf

Initial water sample information provided by the West Virginia Division of Homeland Security and Emergency Management.   This sampling was conducted on 1-10-14 and 1-11-14.  The department has not published any information about who did these tests or the specific compound tested for, though presumably the results are for 4-MCHM.

Sample results from January 18, 2014 – full pdf