New Jersey · population 10,308
Lead pipes in Waldwick, NJ
43 lead or galvanized lines to replace
Most of Waldwick (population 10,308) gets its water from Waldwick Water Dept. That system reported 0 lead and 43 galvanized-requiring-replacement service lines out of 3,590, with 2,191 more of unknown material.
1.2% of Waldwick Water Dept's service lines are lead or galvanized requiring replacement, lower than the New Jersey average (4.5%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 1.2%
- Unknown 61%
- Non-lead 38%
Latest lead test for Waldwick Water Dept (Jan 2026–Jun 2026): 4.8 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 3 Lead and Copper Rule violations since 2015 for Waldwick Water Dept.
Water systems serving Waldwick
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Waldwick Water DeptMain system | 0 | 43 | 2,191 | 1.2% |
| Ridgewood WaterServes nearby areas | 252 | 1,190 | 428 | 7.1% |
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 Waldwick
The counts above cover the whole water system. To see whether your line is lead, look up your address on Waldwick Water Dept'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
- Allendale81 lead + galv. lines
- Midland Park1,442 lead + galv. lines
- Ho-Ho-Kus29 lead + galv. lines
- Saddle River11,883 lead + galv. lines
- Ridgewood1,442 lead + galv. lines
- Woodcliff Lake56 lead + galv. lines
- Ramsey328 lead + galv. lines
- Upper Saddle River11,883 lead + galv. lines
Check another water system
Questions
Does Waldwick, NJ have lead pipes?
Yes. Waldwick Water Dept, which serves Waldwick, reported 0 lead and 43 galvanized-requiring-replacement service lines, plus 2,191 of unknown material.
Who supplies water to Waldwick?
EPA's service area maps place most of Waldwick in Waldwick Water Dept's service area (PWSID NJ0264001). Ridgewood Water also serves parts of the city or nearby areas.
How do I check whether my Waldwick home has a lead service line?
Search your address on Waldwick Water Dept'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 Waldwick 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 Waldwick Water Dept whether your street is scheduled and whether it covers the private side.