AQUA PA UWCHLAN
Pennsylvania — Community Water System — PWSID: PA1150035
System Information
| PWSID | PA1150035 |
| System Name | AQUA PA UWCHLAN |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 12, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | BRYN MAWR |
| ZIP Code | 19010 |
| Address | 762 W LANCASTER AVE |
| Organization | AQUA PA UWCHLAN |
| Phone | 610-645-1122 |
Population & Service
| Population Served | 35,518 |
| Service Connections | 16,600 |
Drinking Water Violations (237)
This water system has 237 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2020 | Sep 30, 2020 | MR | No | No | — | — | — | Resolved | Sep 30, 2020 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MR | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MR | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MR | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MR | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | No | — | — | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2001 | Aug 13, 2001 | Other | No | Yes | — | — | — | Resolved | Aug 13, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 1996 | — |
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.