Lead Pipe Map

Juniata County, PA · PWSID PA4340007

Thompsontown Muni Auth lead service lines

10 lead or galvanized lines to replace

Thompsontown Muni Auth reported 0 lead and 10 galvanized-requiring-replacement service lines out of 357 in its inventory. That's about 1 in 36 lines. Another 35 (9.8%) are still listed as unknown material.

Ranks #221 of 399 Pennsylvania systems with confirmed lead lines, and #4,566 nationally.

2.8% of Thompsontown Muni Auth's service lines are lead or galvanized requiring replacement. That's about the same as the Pennsylvania average (2.9%) and about the same as the national average (3.1%).

0Lead
10Galvanized, replace
35Unknown material
312Non-lead

Total service lines reported: 357. Reported all required service line types. Population served: 1,000; 358 connections.

The most recent lead sampling period in EPA data (starting 01-JAN-1996) did not exceed the 15 ppb action level. Results are a 90th percentile across sampled homes, so individual homes can still be higher.

Progress since 2025 Q1

Reported lead and galvanized-requiring-replacement lines went from 0 in 2025 Q1 to 10 in 2026 Q3: up 10. Lines of unknown material went from 0 to 35, up 35.

2025 Q1: 0 lead + galvanized02025 Q12025 Q2: 0 lead + galvanized02025 Q22025 Q3: 0 lead + galvanized02025 Q32025 Q4: 10 lead + galvanized102025 Q42026 Q1: 10 lead + galvanized102026 Q12026 Q2: 10 lead + galvanized102026 Q22026 Q3: 10 lead + galvanized102026 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 Thompsontown Muni Auth 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

Thompsontown Muni Auth's main water source is groundwater (wells). It sells water to 1 other water system: Benners MHP.

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 Thompsontown Muni Auth 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 Juniata County

Other water systems nearby

SystemLead + galv.Unknown
Mifflintown Muni Auth00
Richfield Area Joint Auth0222
Port Royal Muni Auth0380
McAlisterville Area Joint Auth1365
Locust Grove Retirement Home020
Brookline Retirement Village041
Aqua PA INC Meribah Water Co05
Benners MHP026

Check another water system

Questions

Does Thompsontown Muni Auth have lead pipes?

Yes. Thompsontown Muni Auth reported 0 lead service lines and 10 galvanized lines that must be replaced, out of 357 total. 35 more are of unknown material.

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

Look up your address on Thompsontown Muni Auth'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 Thompsontown Muni Auth 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 Thompsontown Muni Auth had lead violations?

EPA's data shows no Lead and Copper Rule violations since 2015 for Thompsontown Muni Auth.

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, "Thompsontown Muni Auth lead service lines," https://leadpipemap.com/pa/thompsontown-muni-auth/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.