York County, PA · PWSID PA7670050
Glen Rock Water Auth lead service lines
2 lead or galvanized lines to replace
Glen Rock Water Auth reported 0 lead and 2 galvanized-requiring-replacement service lines out of 852 in its inventory. That's about 1 in 426 lines. Another 668 (78%) are still listed as unknown material.
Ranks #322 of 399 Pennsylvania systems with confirmed lead lines, and #6,357 nationally.
0.2% of Glen Rock Water Auth's service lines are lead or galvanized requiring replacement. That's lower than the Pennsylvania average (2.9%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0.2%
- Unknown 78%
- Non-lead 21%
Total service lines reported: 852. Reported all required service line types. Population served: 2,000; 970 connections.
The most recent lead sampling period in EPA data (starting 01-JUL-1993) 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 2 in 2025 Q1 to 2 in 2026 Q3: no change. Lines of unknown material went from 766 to 668, down 98 (13%).
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 Glen Rock Water 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
Glen Rock Water Auth's main water source is purchased surface water. It buys treated water from York Water Co. The seller treats the water, including corrosion control that keeps lead from dissolving out of pipes, while Glen Rock Water Auth is responsible for its own service line inventory and replacement program.
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 Glen Rock Water 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 York County
Cities served
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| York Water Co | 120 | 71,283 |
| Hanover Muni Water Works | 16 | 13,124 |
| Red Lion Municipal Authority | 126 | 6,993 |
| Dallastown Yoe Water Auth | 17 | 1,604 |
| Dillsburg Area Authority | 1 | 0 |
| Shrewsbury Borough | 1 | 446 |
| Wrightsville Boro Muni Auth | 4 | 64 |
| Windsor Boro Water Auth | 5 | 0 |
Check another water system
Questions
Does Glen Rock Water Auth have lead pipes?
Yes. Glen Rock Water Auth reported 0 lead service lines and 2 galvanized lines that must be replaced, out of 852 total. 668 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on Glen Rock Water 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 Glen Rock Water 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 Glen Rock Water Auth had lead violations?
EPA's data shows no Lead and Copper Rule violations since 2015 for Glen Rock Water 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, "Glen Rock Water Auth lead service lines," https://leadpipemap.com/pa/glen-rock-water-auth/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.