Lead Pipe Map

All Washington water systems

Every Washington community water system on Lead Pipe Map (989), A to Z, with its lead and galvanized line count. Open a system for its full inventory, lead tests and violations.

ABCDEFGHIJKLMNOPQRSTUVWY

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Y

Source: EPA SDWIS service line inventory, 2026 Q3.