PSW-MALVERN
Pennsylvania — Community Water System — PWSID: PA1150060
System Information
| PWSID | PA1150060 |
| System Name | PSW-MALVERN |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 12, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Pennsylvania |
| City | BRYN MAWR |
| ZIP Code | 19010 |
| Address | 762 LANCASTER AVENUE |
| Organization | — |
| Phone | 610-525-1400 |
Population & Service
| Population Served | 3,100 |
| Service Connections | 1,393 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 1993 | Nitrate Rule |
| Jun 24, 1982 | Jun 23, 1985 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Archived | Jun 23, 1985 | Inorganic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Archived | Jun 23, 1985 | Synthetic Organic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Archived | Jun 23, 1985 | Inorganic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Methoxychlor | MR | No | Yes | — | 0.04 mg/L | — | Archived | Jun 23, 1985 | Synthetic Organic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 23, 1985 | Nitrate Rule |
| Jun 24, 1982 | Jun 23, 1985 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Jun 23, 1985 | Synthetic Organic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Barium | MR | No | Yes | — | 2 mg/L | — | Archived | Jun 23, 1985 | Inorganic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Archived | Jun 23, 1985 | Inorganic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Archived | Jun 23, 1985 | Synthetic Organic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Archived | Jun 23, 1985 | Arsenic Rule |
| Jun 24, 1982 | Jun 23, 1985 | Endrin | MR | No | Yes | — | 0.002 mg/L | — | Archived | Jun 23, 1985 | Synthetic Organic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | 2,4,5-TP | MR | No | Yes | — | 0.05 mg/L | — | Archived | Jun 23, 1985 | Synthetic Organic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 23, 1985 | Inorganic Chemicals |
| Jun 24, 1982 | Jun 23, 1985 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 23, 1985 | Inorganic Chemicals |
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.