Drinking Water Compliance OS

HORSHAM, PA · Montgomery County

HORSHAM WATER&SEWER AUTHORITY 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)
PA1460033
System type
Community Water System
Population served
26,000
Service connections
8,228
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Radium-228

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2024 – March 31, 2024

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

    Groundwater Rule

    August 1, 2023 – August 31, 2023

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2023 – August 22, 2023

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

    Groundwater Rule

    April 1, 2021 – April 30, 2021

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

    Groundwater Rule

    November 1, 2020 – November 30, 2020

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

    Groundwater Rule

    April 1, 2019 – April 30, 2019

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

    Groundwater Rule

    January 1, 2019 – January 31, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 13, 2018 – June 29, 2018

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    May 1, 2018 – May 31, 2018

    Resolved
  • Monitoring, Regular

    Radium-226

    October 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Radium-228

    October 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2008 – August 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2008 – September 30, 2008

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

    Surface Water Treatment Rule

    December 1, 2002 – December 31, 2002

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

    Surface Water Treatment Rule

    November 1, 2002 – November 30, 2002

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

    Surface Water Treatment Rule

    October 1, 2002 – October 31, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2002 – December 31, 2002

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

    Surface Water Treatment Rule

    September 1, 2002 – September 30, 2002

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

    Surface Water Treatment Rule

    August 1, 2002 – August 31, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    August 1, 2002 – August 31, 2002

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

    Surface Water Treatment Rule

    July 1, 2002 – July 31, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2002 – July 31, 2002

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2002 – September 30, 2002

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

    Surface Water Treatment Rule

    June 1, 2002 – June 30, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    May 1, 2002 – May 31, 2002

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

    Surface Water Treatment Rule

    May 1, 2002 – May 31, 2002

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

    Surface Water Treatment Rule

    April 1, 2002 – April 30, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2002 – April 30, 2002

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2002 – June 30, 2002

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

    Surface Water Treatment Rule

    March 1, 2002 – March 31, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    February 1, 2002 – February 28, 2002

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

    Surface Water Treatment Rule

    February 1, 2002 – February 28, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2002 – March 31, 2002

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

    Surface Water Treatment Rule

    January 1, 2002 – January 31, 2002

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2002 – January 31, 2002

    Archived
  • Monitoring, Regular

    Vinyl chloride

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Benzene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Vinyl chloride

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Benzene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1991 – June 30, 1991

    Archived
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1991 – June 30, 1991

    Archived

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

Enforcement actions

Contact

HORSHAM WATER&SEWER AUTHORITY

215-672-8011

HORSHAM, PA 19044