Drinking Water Compliance OS

MIDDLETOWN, PA · Dauphin County

LONDONDERRY TWP WATER SYS Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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)
PA7220055
System type
Community Water System
Population served
36
Service connections
14
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2014 – July 31, 2014

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 2014 – June 30, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2013 – October 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2013 – August 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2011 – June 24, 2011

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – November 2, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2006 – December 26, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – October 26, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2006 – September 30, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2005 – December 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2005 – September 30, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – September 29, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2004 – March 31, 2004

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2003 – January 13, 2004

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2003 – October 9, 2003

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 1999 – February 4, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1994 – July 31, 1994

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1994 – February 15, 2001

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    December 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Regular

    Cadmium

    June 27, 1989 – June 26, 1990

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

LONDONDERRY TWP WATER SYS

717-944-9440

MIDDLETOWN, PA 17057