Drinking Water Compliance OS

COATESVILLE, PA · Chester County

PA AMERICAN VALLEY SPRINGS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of April 19, 2022. 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)
PA1150185
System type
Community Water System
Population served
2,500
Service connections
392
Ownership
privately owned
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2020 – February 27, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2019 – December 31, 2019

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2019 – July 31, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    March 1, 2019 – March 31, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2017 – August 28, 2017

    Resolved
  • Sample Siting Plan Errors (RTCR)

    Revised Total Coliform Rule

    April 1, 2016 – April 28, 2016

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2016 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2016 – December 31, 2016

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 1, 2015 – April 8, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2014 – September 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2014 – September 30, 2014

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    April 1, 2014 – April 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2014 – June 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2014 – June 30, 2014

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    February 1, 2014 – February 28, 2014

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    January 1, 2014 – January 31, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    January 1, 2014 – January 31, 2014

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 1, 2014 – July 7, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2014 – March 31, 2014

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2014 – December 23, 2014

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2014 – August 14, 2014

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    December 1, 2013 – December 31, 2013

    Resolved
  • Failure Submit IDSE/Subpart V Plan Rpt

    Stage 2 Disinfectants and Disinfection Byproducts Rule

    October 1, 2013 – May 5, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    September 1, 2013 – September 30, 2013

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 1, 2013 – July 7, 2014

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    January 1, 2013 – January 31, 2013

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    December 1, 2012 – December 31, 2012

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 1, 2012 – July 7, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    November 1, 2012 – November 30, 2012

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 11, 2012 – July 7, 2014

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 1, 2012 – July 7, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    September 1, 2012 – September 30, 2012

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 1, 2012 – July 7, 2014

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    September 1, 2011 – September 30, 2011

    Resolved
  • Monitoring of Treatment (SWTR-Unfilt/GWR)

    Groundwater Rule

    August 1, 2011 – August 31, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2009 – March 5, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2009 – March 25, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    April 1, 2005 – June 30, 2005

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

    Lead and Copper Rule

    January 1, 2005 – July 12, 2005

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2004 – February 22, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – June 20, 2006

    Resolved
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    January 1, 1995 – October 9, 1998

    Resolved
  • Monitoring, Regular

    Nitrate

    July 1, 1994 – September 30, 1994

    Archived
  • Monitoring, Regular

    Nitrate

    April 1, 1994 – June 30, 1994

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 1994 – March 31, 1994

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    February 1, 1994 – February 28, 1994

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 1993 – March 31, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1992 – February 29, 1992

    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)

PA AMERICAN VALLEY SPRINGS

610-384-5751

COATESVILLE, PA 19320