Lead pipes in Massachusetts
Massachusetts's 529 community water systems reported 28,562 lead and 13,175 galvanized-requiring-replacement service lines, plus 349,967 of unknown material. That ranks #18 among states for confirmed lead lines.
- Lead 1.5%
- Galvanized (replace) 0.7%
- Unknown 19%
- Non-lead 79%
2.2% of the service lines Massachusetts utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 19% are still unidentified (national: 21%). The largest counts are in City of New Bedford Dpi (5,676), Medford Water Dept. (Mwra) (5,130), Braintree Water and Sewer Dept. (3,488). 20 systems haven't reported counts yet.
Since 2025 Q1, reported lead and galvanized lines in Massachusetts went from 40,063 to 41,737 (up 1,674). See which systems made the most progress.
Systems with confirmed lead lines (175)
Showing the 100 with the most. All Massachusetts water systems
No confirmed lead, but unknown lines remain (58)
Showing 50. See all
No lead or unknown lines reported (95)
Systems serving 1,000 or more people. Systems without counts on file are listed as 0.
Showing the 50 largest. See all
Lead pipes in Massachusetts cities
- Boston2,449 lead + galv. lines
- Worcester946 unknown
- Springfield49 lead + galv. lines
- Cambridge2,195 lead + galv. lines
- Lowell287 lead + galv. lines
- Brockton650 lead + galv. lines
- Lynn283 lead + galv. lines
- Quincy452 lead + galv. lines
- New Bedford5,676 lead + galv. lines
- Fall River923 lead + galv. lines
- Newton287 lead + galv. lines
- Lawrence65 lead + galv. lines
- Somerville101 lead + galv. lines
- Framingham60 lead + galv. lines
- Malden2,470 lead + galv. lines
- Walthamno lead reported
- Taunton18 lead + galv. lines
- Revere467 lead + galv. lines
- Weymouth48 lead + galv. lines
- Medford5,130 lead + galv. lines
- Peabody53 lead + galv. lines
- Chicopee54 lead + galv. lines
- Everett1,073 lead + galv. lines
- Barnstableno lead reported
- Attleboro844 lead + galv. lines
- Salem77 lead + galv. lines
- Leominster78 lead + galv. lines
- Woburn162 lead + galv. lines
- Beverly1,682 lead + galv. lines
- Pittsfield36 lead + galv. lines
Massachusetts lead pipe questions
How many lead pipes are in Massachusetts?
Massachusetts's community water systems reported 28,562 lead service lines and 13,175 galvanized lines that must be replaced, for 41,737 in total. Another 349,967 lines are of unknown material.
Which Massachusetts water systems have the most lead pipes?
City of New Bedford Dpi (5,676), Medford Water Dept. (Mwra) (5,130), Braintree Water and Sewer Dept. (3,488). Counts are lead plus galvanized-requiring-replacement lines.
What share of Massachusetts service lines are lead?
2.2% of reported service lines in Massachusetts are lead or galvanized requiring replacement, well below the national figure of 3.1%. 19% are still unknown, compared with 21% nationally.
How do I find out if my Massachusetts home has a lead service line?
Search for your water system or ZIP code above, then open your utility's address-level inventory map. You can also check the pipe where it enters your home with a scratch and magnet test.
Source: EPA SDWIS service line inventory, 2026 Q3. Smaller systems with no lead or unknown lines are omitted. See also national rankings.