New Jersey · 8 community water systems
Lead pipes in Mercer County, NJ
8 community water systems serving Mercer County reported 15,781 lead and 659 galvanized-requiring-replacement service lines, plus 24,234 of unknown material. The most are in Trenton Water Works.
18% of these systems' lines are lead or galvanized requiring replacement, higher than the New Jersey average (4.5%) and higher than the national average (3.1%).
- Lead 17%
- Galvanized (replace) 0.7%
- Unknown 26%
- Non-lead 56%
Water systems serving Mercer County
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Trenton Water WorksEwing Twp. | 15,734 | 446 | 23,000 | 26% |
| Pennington W DeptPennington Boro | 0 | 154 | 0 | 16% |
| Hopewell Boro W DeptHopewell Boro | 46 | 0 | 3 | 6.0% |
| Aqua NJ - LawrenceLawrence Twp. | 0 | 38 | 16 | 1.4% |
| Aqua NJ - Hamilton SquareHamilton Twp. | 1 | 21 | 518 | 0.1% |
| Hightstown Water DepartmentHightstown Boro | 0 | 0 | 697 | 0% |
| East Windsor MuaEast Windsor Twp. | 0 | 0 | 0 | 0% |
| Lawrenceville SchoolLawrence Twp. | 0 | 0 | 0 | 0% |
Systems that also serve other counties are counted in full. Your water bill names your utility.
What to do if your line is lead or unknown
- Check the pipe where water enters your home.
- Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
- Test your water, often free through the utility.
- Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.
Check another water system
Questions
Does Mercer County have lead pipes?
Yes. Water systems serving Mercer County reported 15,781 lead and 659 galvanized-requiring-replacement service lines, plus 24,234 of unknown material.
Which Mercer County water systems have the most lead lines?
Trenton Water Works (16,180), Pennington W Dept (154), Hopewell Boro W Dept (46).
How do I check my home in Mercer County?
Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.