Drinking Water Compliance OS

PROSPERITY, PA · Washington County

CHADWICK MHP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of April 30, 1998. 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 Washington 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)
PA5630004
System type
Community Water System
Population served
43
Service connections
16
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1997 – December 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1997 – November 30, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1997 – August 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1997 – July 31, 1997

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1997 – April 1, 1998

    Resolved
  • Monitoring, Regular

    Toxaphene

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Fluoride

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Methoxychlor

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    BHC-GAMMA

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    2,4,5-TP

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Arsenic

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Barium

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Cadmium

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Mercury

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Selenium

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Endrin

    June 24, 1982 – June 23, 1985

    Resolved
  • Monitoring, Regular

    2,4-D

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Chromium

    June 24, 1982 – June 23, 1985

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    August 1, 1976 – July 31, 1980

    Archived

Resolved addressed and confirmed by the stateArchived 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

724-228-0750

PROSPERITY, PA 15329