Drinking Water Compliance OS

GLEN ROCK, PA · York County

GLEN ROCK WATER AUTH 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)
PA7670050
System type
Community Water System
Population served
2,000
Service connections
970
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    August 1, 2025 – August 31, 2025

    Archived

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    August 1, 2025 – August 31, 2025

    Archived

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    October 11, 2017 – January 2, 2018

    Resolved

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    October 11, 2017 – January 2, 2018

    Resolved

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    September 11, 2017 – November 16, 2017

    Resolved

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    September 11, 2017 – November 16, 2017

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    September 1, 2016 – September 30, 2016

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    August 1, 2016 – August 31, 2016

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    August 1, 2016 – August 31, 2016

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    July 1, 2016 – September 30, 2016

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2013 – March 31, 2013

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2013 – March 31, 2013

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    August 1, 2012 – August 31, 2012

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    July 1, 2012 – September 30, 2012

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    August 1, 2008 – August 31, 2008

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    July 1, 2008 – September 24, 2008

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    March 1, 2007 – March 31, 2007

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    February 1, 2007 – February 28, 2007

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    November 1, 2006 – November 30, 2006

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2006 – October 31, 2006

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    October 1, 2005 – December 31, 2005

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    August 1, 2004 – August 31, 2004

    Archived

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    July 1, 2004 – September 30, 2004

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    July 1, 2004 – July 31, 2004

    Archived

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    April 1, 2004 – June 30, 2004

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2003 – November 5, 2003

    Resolved

  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    January 1, 2003 – January 31, 2003

    Resolved

  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    —

    Surface Water Treatment Rule

    September 1, 2000 – September 30, 2000

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    October 1, 1998 – October 31, 1998

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    July 1, 1998 – June 11, 1999

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    April 1, 1996 – June 30, 1996

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    April 1, 1996 – June 30, 1996

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 1995 – March 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 1995 – March 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 1995 – December 31, 1995

    Resolved

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    September 1, 1992 – September 30, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    August 1, 1992 – August 31, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    July 1, 1992 – July 31, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    June 1, 1992 – June 30, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    May 1, 1992 – May 31, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    April 1, 1992 – April 30, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    March 1, 1992 – March 31, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    February 1, 1992 – February 29, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    January 1, 1992 – January 31, 1992

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    December 1, 1991 – December 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    October 1, 1991 – October 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    September 1, 1991 – September 30, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    August 1, 1991 – August 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    July 1, 1991 – July 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    June 1, 1991 – June 30, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    May 1, 1991 – May 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    April 1, 1991 – April 30, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    March 1, 1991 – March 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    February 1, 1991 – February 28, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    January 1, 1991 – January 31, 1991

    Archived

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    December 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    Tetrachloroethylene

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    Toluene

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    Ethylbenzene

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    Styrene

    October 1, 1990 – December 31, 1990

    Archived

  • Monitoring, Regular

    —

    CHLOROBENZENE

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    Styrene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    Ethylbenzene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    Toluene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    Tetrachloroethylene

    July 1, 1990 – September 30, 1990

    Archived

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 1990 – March 31, 1990

    Resolved

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    July 1, 1984 – June 30, 1988

    Archived

  • Monitoring, Regular

    —

    Nitrate

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Barium

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Chromium

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Mercury

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Endrin

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    Selenium

    June 24, 1982 – June 23, 1985

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    June 24, 1982 – June 23, 1985

    Resolved

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

Enforcement actions

Contact

GLEN ROCK WATER AUTH

717-235-2082

GLEN ROCK, PA 17327