LONDONDERRY ELEM SCH
Pennsylvania - Non-Transient Non-Community - PWSID: PA7220373
System Information
| PWSID | PA7220373 |
| System Name | LONDONDERRY ELEM SCH |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 29, 1980 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | HUMMELSTOWN |
| ZIP Code | 17036 |
| Address | 291 E MAIN ST |
| Organization | LONDONDERRY ELEM SCH |
| Phone | 717-566-5306 |
Population & Service
| Population Served | 465 |
| Service Connections | 1 |
Drinking Water Violations (373)
This water system has 373 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Dec 22, 2016 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Dec 22, 2016 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Dec 22, 2016 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Dec 22, 2016 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2014 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Oct 12, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2006 | - | |
| Oct 12, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2006 | - | |
| Oct 12, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2006 | - | |
| Oct 12, 2006 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | 12 MG/L | 10 mg/L | - | Resolved | Sep 30, 2006 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.