New Jersey · population 6,590
Lead pipes in Morris Plains, NJ
769 lead or galvanized lines to replace
Most of Morris Plains (population 6,590) gets its water from Southeast Morris County Mua. That system reported 12 lead and 757 galvanized-requiring-replacement service lines out of 18,359, with 13,199 more of unknown material.
4.2% of Southeast Morris County Mua's service lines are lead or galvanized requiring replacement, about the same as the New Jersey average (4.5%) and higher than the national average (3.1%).
- Lead <0.1%
- Galvanized (replace) 4.1%
- Unknown 72%
- Non-lead 24%
Latest lead test for Southeast Morris County Mua (2026): 1.1 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 for Southeast Morris County Mua.
Water systems serving Morris Plains
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Southeast Morris County MuaMain system | 12 | 757 | 13,199 | 4.2% |
| Parsippany-Troy Hills Water DepartmentServes nearby areas | 0 | 231 | 0 | 1.6% |
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 Morris Plains
The counts above cover the whole water system. To see whether your line is lead, look up your address on Southeast Morris County Mua'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
- Morristown769 lead + galv. lines
- Mountain Lakes688 lead + galv. lines
- Victory Gardens314 lead + galv. lines
- Rockaway6 lead + galv. lines
- Dover314 lead + galv. lines
- Boonton118 lead + galv. lines
- Florham Park18 lead + galv. lines
- Madison178 lead + galv. lines
Check another water system
Questions
Does Morris Plains, NJ have lead pipes?
Yes. Southeast Morris County Mua, which serves Morris Plains, reported 12 lead and 757 galvanized-requiring-replacement service lines, plus 13,199 of unknown material.
Who supplies water to Morris Plains?
EPA's service area maps place most of Morris Plains in Southeast Morris County Mua's service area (PWSID NJ1424001). Parsippany-Troy Hills Water Department also serves parts of the city or nearby areas.
How do I check whether my Morris Plains home has a lead service line?
Search your address on Southeast Morris County Mua'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 Morris Plains 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 Southeast Morris County Mua whether your street is scheduled and whether it covers the private side.