Franklin County, PA · PWSID PA7280040
Mont Alto Municipal Authority lead service lines
86 lead or galvanized lines to replace
Mont Alto Municipal Authority reported 0 lead and 86 galvanized-requiring-replacement service lines out of 787 in its inventory. That's 11% of all its lines. Another 453 (58%) are still listed as unknown material.
Ranks #90 of 399 Pennsylvania systems with confirmed lead lines, and #2,021 nationally.
11% of Mont Alto Municipal Authority's service lines are lead or galvanized requiring replacement. That's higher than the Pennsylvania average (2.9%) and higher than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 11%
- Unknown 58%
- Non-lead 32%
Total service lines reported: 787. Reported all required service line types. Population served: 1,705; 790 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 86 in 2025 Q1 to 86 in 2026 Q3: no change. Lines of unknown material went from 453 to 453, 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 Mont Alto Municipal Authority 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
Mont Alto Municipal Authority'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 Mont Alto Municipal Authority 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 Franklin County
Cities served
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| Chambersburg Boro Water Sys | 38 | 1,949 |
| Guilford Water Auth | 45 | 126 |
| Boro of Waynesboro | 117 | 5,146 |
| Washington TWP Muni Auth | 1 | 1,858 |
| Greencastle Area Water Auth | 107 | 1,171 |
| Zullinger Water System Wtma | 0 | 272 |
| Dry Run Water Assn | 27 | 0 |
| Pleasant Hall Manor | 30 | 0 |
Check another water system
Questions
Does Mont Alto Municipal Authority have lead pipes?
Yes. Mont Alto Municipal Authority reported 0 lead service lines and 86 galvanized lines that must be replaced, out of 787 total. 453 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on Mont Alto Municipal Authority'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 Mont Alto Municipal Authority 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 Mont Alto Municipal Authority had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for Mont Alto Municipal Authority.
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, "Mont Alto Municipal Authority lead service lines," https://leadpipemap.com/pa/mont-alto-municipal-authority/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.