New Hampshire · population 91,851
Lead pipes in Nashua, NH
870 lead or galvanized lines to replace
Most of Nashua (population 91,851) gets its water from Pennichuck Water Works. That system reported 0 lead and 870 galvanized-requiring-replacement service lines out of 1,356, with 486 more of unknown material.
64% of Pennichuck Water Works's service lines are lead or galvanized requiring replacement, higher than the New Hampshire average (1.9%) and higher than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 64%
- Unknown 36%
- Non-lead 0%
Latest lead test for Pennichuck Water Works (Jan 2021–Dec 2023): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Pennichuck Water Works.
Water systems serving Nashua
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Pennichuck Water WorksMain system | 0 | 870 | 486 | 64% |
| Hudson Water DeptServes nearby areas | 0 | 0 | 0 | – |
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 Nashua
The counts above cover the whole water system. To see whether your line is lead, look up your address on Pennichuck Water Works'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
- Manchester17,297 unknown
- Portsmouth140 lead + galv. lines
- Dover7,939 unknown
- Rochesterno lead reported
- Somersworth191 lead + galv. lines
- Franklin1,577 unknown
- Laconia53 lead + galv. lines
- Lebanon109 lead + galv. lines
Check another water system
Questions
Does Nashua, NH have lead pipes?
Yes. Pennichuck Water Works, which serves Nashua, reported 0 lead and 870 galvanized-requiring-replacement service lines, plus 486 of unknown material.
Who supplies water to Nashua?
EPA's service area maps place most of Nashua in Pennichuck Water Works's service area (PWSID NH1621010). Hudson Water Dept also serves parts of the city or nearby areas.
How do I check whether my Nashua home has a lead service line?
Search your address on Pennichuck Water Works'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 Nashua 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 Pennichuck Water Works whether your street is scheduled and whether it covers the private side.