Which Wisconsin Areas Have the Most Galvanized Pipe Risk?

The 6 Wisconsin areas with the highest share of confirmed galvanized service lines requiring replacement, out of 6 areas with enough data for a reliable estimate. Galvanized steel isn't lead itself, but a line installed downstream of a lead gooseneck or connector can leach lead particles trapped in its rough interior even after the original lead pipe is gone — federal guidance treats it with the same urgency as a confirmed lead line.

See which areas have the most lead risk →