On March 7, 2017, MDEQ reported that Flint water sampled in February registered below the federal threshold for lead with 90 percent of samples at or below 8 ppb. February's water tests marked the seventh straight month in which city water was below the action level. February's testing also showed 95.8 percent of samples taken at homes at risk of high lead levels were at or below 15 ppb. On June 9, 2017, the MDEQ reported their May 2017 testing showed 90 percent of Tier I samples at or below 6 ppb of lead with 93.1 percent of the samples at or below 15 ppb.
