The Michigan Department of Environment, Great Lakes, and Energy recently announced that the City of Benton Harbor’s Lead and Copper Rule monitoring has shown the 90th percentile for lead to be at or below the 15 ppb action level for the third consecutive time in 18 months and meeting all standards of the Safe Drinking Water Act.
The latest six-month monitoring period from July 1 through Dec. 31, 2022, resulted in a 90th percentile calculation of 9 ppb for lead from 65 sampling locations, including 39 Tier 1 residential sites. This calculation includes Michigan’s stricter-than-federal requirement that a fifth liter sample
