Skip to content
Household clusterExample data

2026-08-20

Six lab-verified kitchen taps over 10 ppb in 28 days

Example household cluster for product design. Median 18 ppb, max 47 ppb. This is household data, not a utility exceedance.

City of Chicago

10 certified household tests. Median 13.6 ppb. Max 47 ppb.

This brief uses public records and household lab results.

It is not a utility exceedance and not medical advice.