Drinking Water Compliance OS

BRYN MAWR, PA · Chester County

PHILADELPHIA SUBURBAN WATER CO Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of November 22, 1993. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Chester County, PA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Pennsylvania’s official records. Always confirm current status with Pennsylvania before making decisions based on this information.

System facts

System ID (PWSID)
PA1150163
System type
Community Water System
Population served
130,000
Service connections
232,265
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 1991 – December 31, 1991

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

Not on record

610-525-1400

BRYN MAWR, PA 19010