Lead Pipe Map

All Ohio water systems

Every Ohio community water system on Lead Pipe Map (665), A to Z, with its lead and galvanized line count. Open a system for its full inventory, lead tests and violations.

ABCDEFGHIJKLMNOPQRSTUVWXYZ

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Source: EPA SDWIS service line inventory, 2026 Q3.