New Jersey · population 9,326
Lead pipes in Caldwell, NJ
2,161 lines still unidentified
Most of Caldwell (population 9,326) gets its water from Caldwell Water Dept. It reported no confirmed lead service lines, but 2,161 of 2,297 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Caldwell 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) 0%
- Unknown 94%
- Non-lead 5.9%
Latest lead test for Caldwell Water Dept (Jan 2022–Dec 2024): 1.9 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, 3 still open for Caldwell Water Dept.
Water systems serving Caldwell
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Caldwell Water DeptMain system | 0 | 0 | 2,161 | 0% |
| West Caldwell Water DepartmentServes nearby areas | 0 | 12 | 659 | 0.3% |
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 Caldwell
The counts above cover the whole water system. To see whether your line is lead, look up your address on Caldwell 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
- Essex Fells264 lead + galv. lines
- North Caldwellno lead reported
- Roseland2 lead + galv. lines
- Glen Ridge134 lead + galv. lines
- Totowano lead reported
- Woodland Park638 unknown
- Lincoln Park2 lead + galv. lines
- East Orange7,969 lead + galv. lines
Check another water system
Questions
Does Caldwell, NJ have lead pipes?
None are confirmed, but Caldwell Water Dept still lists 2,161 service lines as unknown material.
Who supplies water to Caldwell?
EPA's service area maps place most of Caldwell in Caldwell Water Dept's service area (PWSID NJ0703001). West Caldwell Water Department also serves parts of the city or nearby areas.
How do I check whether my Caldwell home has a lead service line?
Search your address on Caldwell 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 Caldwell 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 Caldwell Water Dept whether your street is scheduled and whether it covers the private side.