New Jersey · population 4,941
Lead pipes in Demarest, NJ
11,883 lead or galvanized lines to replace
Most of Demarest (population 4,941) gets its water from Veolia Water New Jersey Hackensack. That system reported 11,567 lead and 316 galvanized-requiring-replacement service lines out of 206,397, with 4,126 more of unknown material.
5.8% of Veolia Water New Jersey Hackensack's service lines are lead or galvanized requiring replacement, higher than the New Jersey average (4.5%) and higher than the national average (3.1%).
- Lead 5.6%
- Galvanized (replace) 0.2%
- Unknown 2.0%
- Non-lead 92%
Latest lead test for Veolia Water New Jersey Hackensack (2026): 5.8 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 2 Lead and Copper Rule violations since 2015, 1 health-based for Veolia Water New Jersey Hackensack.
Water systems serving Demarest
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Veolia Water New Jersey HackensackMain system | 11,567 | 316 | 4,126 | 5.8% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Demarest
The counts above cover the whole water system. To see whether your line is lead, look up your address on Veolia Water New Jersey Hackensack's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
Check another water system
Questions
Does Demarest, NJ have lead pipes?
Yes. Veolia Water New Jersey Hackensack, which serves Demarest, reported 11,567 lead and 316 galvanized-requiring-replacement service lines, plus 4,126 of unknown material.
Who supplies water to Demarest?
EPA's service area maps place most of Demarest in Veolia Water New Jersey Hackensack's service area (PWSID NJ0238001).
How do I check whether my Demarest home has a lead service line?
Search your address on Veolia Water New Jersey Hackensack's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Demarest be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Veolia Water New Jersey Hackensack whether your street is scheduled and whether it covers the private side.