Lead Pipe Map

Wilton, NH · PWSID NH2521010

Wilton Water Works lead service lines

1 lead or galvanized lines to replace

Wilton Water Works reported 0 lead and 1 galvanized-requiring-replacement service lines out of 182 in its inventory. That's about 1 in 182 lines. Another 181 (99%) are still listed as unknown material.

Ranks #50 of 58 New Hampshire systems with confirmed lead lines, and #6,999 nationally.

0.5% of Wilton Water Works's service lines are lead or galvanized requiring replacement. That's lower than the New Hampshire average (1.9%) and lower than the national average (3.1%).

0Lead
1Galvanized, replace
181Unknown material
0Non-lead

Total service lines reported: 182. Reported some but not all service line types. Population served: 1,790; 716 connections.

Lead action level exceeded. The system's most recent lead sampling period in EPA data (starting 01-JUL-1993) had a 90th-percentile result above the 15 ppb federal action level. Use a certified filter for drinking and cooking water until your line is checked.

Progress since 2025 Q1

Reported lead and galvanized-requiring-replacement lines went from 1 in 2025 Q1 to 1 in 2026 Q3: no change. Lines of unknown material went from 181 to 181, no change.

2025 Q1: 1 lead + galvanized12025 Q12025 Q2: 1 lead + galvanized12025 Q22025 Q3: 1 lead + galvanized12025 Q32025 Q4: 1 lead + galvanized12025 Q42026 Q1: 1 lead + galvanized12026 Q12026 Q2: 1 lead + galvanized12026 Q22026 Q3: 1 lead + galvanized12026 Q3

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 Wilton Water Works 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

Wilton Water Works'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 Wilton Water Works 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 Hillsborough County

Other water systems nearby

SystemLead + galv.Unknown
Manchester Water Works017,297
Pennichuck Water Works870486
Peterborough Water Works62,146
Hillsborough Water Works22301
Greenville Water Dept2361
Antrim Dpw/Utilities Div5316
Bennington Water Dept2185
Francestown Village Water161

Check another water system

Questions

Does Wilton Water Works have lead pipes?

Yes. Wilton Water Works reported 0 lead service lines and 1 galvanized lines that must be replaced, out of 182 total. 181 more are of unknown material.

How do I check if my home's service line is lead?

Look up your address on Wilton Water Works'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 Wilton Water Works 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 Wilton Water Works had lead violations?

EPA's data shows no Lead and Copper Rule violations since 2015 for Wilton Water Works.

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, "Wilton Water Works lead service lines," https://leadpipemap.com/nh/wilton-water-works/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.