Lead Pipe Map

Carroll, NH · PWSID NH0381010

Carroll Water Works lead service lines

15 lead or galvanized lines to replace

Carroll Water Works reported 0 lead and 15 galvanized-requiring-replacement service lines out of 428 in its inventory. That's about 1 in 29 lines. Another 413 (96%) are still listed as unknown material.

Ranks #19 of 58 New Hampshire systems with confirmed lead lines, and #4,090 nationally.

3.5% of Carroll Water Works's service lines are lead or galvanized requiring replacement. That's higher than the New Hampshire average (1.9%) and about the same as the national average (3.1%).

0Lead
15Galvanized, replace
413Unknown material
0Non-lead

Total service lines reported: 428. Reported some but not all service line types. Population served: 875; 350 connections.

Lead action level exceeded. The system's most recent lead sampling period in EPA data (starting 01-JUL-2002) 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 15 in 2025 Q1 to 15 in 2026 Q3: no change. Lines of unknown material went from 413 to 413, no change.

2025 Q1: 15 lead + galvanized152025 Q12025 Q2: 15 lead + galvanized152025 Q22025 Q3: 15 lead + galvanized152025 Q32025 Q4: 15 lead + galvanized152025 Q42026 Q1: 15 lead + galvanized152026 Q12026 Q2: 15 lead + galvanized152026 Q22026 Q3: 15 lead + galvanized152026 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 Carroll 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

Carroll 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 Carroll 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 Coos County

Other water systems nearby

SystemLead + galv.Unknown
Berlin Water Works0839
Groveton Water Sys7687
Gorham Water and Sewer Dept14901
Lancaster Water Dept821,070
W Stewartstown Water PCT116
North Stratford Water Dept723
Pittsburg Water Dept40
Errol Water Works/West10

Check another water system

Questions

Does Carroll Water Works have lead pipes?

Yes. Carroll Water Works reported 0 lead service lines and 15 galvanized lines that must be replaced, out of 428 total. 413 more are of unknown material.

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

Look up your address on Carroll 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 Carroll 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 Carroll Water Works had lead violations?

EPA's data shows no Lead and Copper Rule violations since 2015 for Carroll 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, "Carroll Water Works lead service lines," https://leadpipemap.com/nh/carroll-water-works/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.