Farmington, NH · PWSID NH0811010
Farmington Water Dept lead service lines
70 lead or galvanized lines to replace
Farmington Water Dept reported 0 lead and 70 galvanized-requiring-replacement service lines out of 1,078 in its inventory. That's about 1 in 15 lines. Another 1,008 (94%) are still listed as unknown material.
Ranks #8 of 58 New Hampshire systems with confirmed lead lines, and #2,251 nationally.
6.5% of Farmington Water Dept's service lines are lead or galvanized requiring replacement. That's higher than the New Hampshire average (1.9%) and higher than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 6.5%
- Unknown 94%
- Non-lead 0%
Total service lines reported: 1,078. Reported some but not all service line types. Population served: 3,250; 1,146 connections.
Progress since 2025 Q1
Reported lead and galvanized-requiring-replacement lines went from 70 in 2025 Q1 to 70 in 2026 Q3: no change. Lines of unknown material went from 1,008 to 1,008, no change.
Quarterly counts reported to EPA. A drop usually means lines were replaced or confirmed non-lead; a rise usually means more lines were identified. Replacement progress rankings.
Lead rule violations
EPA's data lists no Lead and Copper Rule violations for Farmington Water Dept since 2015. That covers testing, reporting, corrosion control and public notice requirements; it isn't a guarantee about any individual home.
Source: EPA SDWIS violation records for the Lead and Copper Rule.
Where the water comes from
Farmington Water Dept's main water source is groundwater (wells).
Source: EPA SDWIS water system and facility records.
Check your own address
These counts cover the whole system. To see whether your line is lead, use the utility's address-level inventory. Utilities had to prepare one by October 16, 2024 and make it publicly accessible; systems serving more than 50,000 people must post it online.
No map yet? Do the 2-minute scratch and magnet test on the pipe where water enters your home.
Protect your drinking water now
If your line is lead, galvanized or unknown, filter water for drinking, cooking and baby formula. Use a filter certified to NSF/ANSI 53 for lead. Run cold water for a few minutes after it sits for hours, and never use hot tap water for cooking.
How to pick a lead-certified filter · How to test your water for lead
Getting the line replaced
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Farmington Water Dept whether it replaces the private side for free or with a cost share before you hire anyone. If you want it done sooner, or your utility doesn't cover your side, a licensed plumber can quote it. What replacement costs.
County pages: Lead pipes in Strafford County
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| Dover Water Dept | 0 | 7,939 |
| Unh/Durham Water Sys | 1 | 876 |
| Somersworth Water Works | 191 | 2,240 |
| Rollinsford Water Sewer Dist | 23 | 516 |
| Milton Water Dist | 0 | 432 |
| Pineland Park | 0 | 165 |
| Emerald Acres | 0 | 100 |
| Copple Crown Village District | 0 | 83 |
Check another water system
Questions
Does Farmington Water Dept have lead pipes?
Yes. Farmington Water Dept reported 0 lead service lines and 70 galvanized lines that must be replaced, out of 1,078 total. 1,008 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on Farmington Water Dept's official service line inventory, which utilities must make publicly available. You can also scratch the pipe where it enters your home: lead is soft, dull gray, scratches to shiny silver and does not attract a magnet.
When will Farmington Water Dept replace lead service lines?
Under EPA's Lead and Copper Rule Improvements, most systems must replace lead and galvanized-requiring-replacement lines by December 31, 2037, starting from November 1, 2027. The rule is being challenged in court, so dates could change. Many utilities run free or cost-share programs now.
Has Farmington Water Dept had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for Farmington Water Dept.
Which water filters remove lead?
Use a filter certified to NSF/ANSI Standard 53 for lead reduction, or NSF/ANSI 58 for reverse osmosis. Check the certification on NSF's listings, not just the box.
Embed or cite this data
Local news sites, blogs and community groups can embed this card. It updates when EPA releases new data.
Citation: Lead Pipe Map, "Farmington Water Dept lead service lines," https://leadpipemap.com/nh/farmington-water-dept/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.