BRYN MAWR, PA · Chester County
AQUA PA WEST CHESTER Water System
Consumer Confidence Report status
AQUA PA WEST CHESTER must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for AQUA PA WEST CHESTER.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- PA1150098
- System type
- Community Water System
- Population served
- 48,600
- Service connections
- 13,412
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
AQUA PA WEST CHESTER is one of 175 community water systems in Pennsylvania in the 10,001 to 100,000 people size category, serving 48,600 people from surface water.
As of August 1, 2026, its federal record holds 77 entries between 1988 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.
Of the 77, 76 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, synthetic organic chemicals, and the Surface Water Treatment Rules.
Violation history
Monitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Dinoseb
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Carbofuran
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Heptachlor epoxide
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—2,4,5-TP
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Chlordane
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Endrin
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—BHC-GAMMA
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Methoxychlor
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Toxaphene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Dalapon
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Endothall
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Glyphosate
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Simazine
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Picloram
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – March 31, 2020
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2020 – March 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2017 – July 31, 2017
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2017 – August 29, 2017
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2017 – July 31, 2017
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2007 – August 31, 2007
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
August 1, 2001 – August 31, 2001
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2001 – July 31, 2001
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2000 – December 31, 2000
ResolvedMonitoring, Regular
—Styrene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Benzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Toluene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 1992 – December 31, 1992
ArchivedMonitoring, Regular
—p-Dichlorobenzene
October 1, 1992 – December 31, 1992
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 1992 – December 31, 1992
ArchivedMonitoring, Regular
—Benzene
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1992 – March 31, 1992
ArchivedMonitoring, Regular
—p-Dichlorobenzene
October 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 1991 – December 31, 1991
ArchivedMonitoring, Regular
—Trichloroethylene
October 1, 1991 – December 31, 1991
ArchivedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1991 – March 31, 1991
ArchivedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 1991 – January 31, 1991
ArchivedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 1990 – December 31, 1990
ArchivedMonitoring, Regular
—Carbon tetrachloride
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Benzene
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—p-Dichlorobenzene
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—1,2-Dichloroethane
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Trichloroethylene
April 1, 1988 – June 30, 1988
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Dinoseb | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Carbofuran | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Chlordane | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Endrin | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Methoxychlor | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Toxaphene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Dalapon | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Endothall | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Glyphosate | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Simazine | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2017 – July 31, 2017 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2017 – August 29, 2017 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2017 – July 31, 2017 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| August 1, 2007 – August 31, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2001 – August 31, 2001 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2001 – July 31, 2001 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2000 – December 31, 2000 | Monitoring, Regular | CYANIDE | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 1992 – December 31, 1992 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| October 1, 1992 – December 31, 1992 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| October 1, 1992 – December 31, 1992 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1992 – March 31, 1992 | Monitoring, Regular | Trichloroethylene | — | Archived |
| October 1, 1991 – December 31, 1991 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| October 1, 1991 – December 31, 1991 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| October 1, 1991 – December 31, 1991 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| October 1, 1991 – December 31, 1991 | Monitoring, Regular | Trichloroethylene | — | Archived |
| March 1, 1991 – March 31, 1991 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Archived |
| January 1, 1991 – January 31, 1991 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Archived |
| December 1, 1990 – December 31, 1990 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Benzene | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Trichloroethylene | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 14, 2024State Compliance achieved30 linked violations
- February 2, 2024State Violation/Reminder Notice29 linked violations
- February 1, 2024State Violation/Reminder Notice1 linked violation
- May 28, 2021State Public Notification received2 linked violations
- October 6, 2020State Compliance achieved2 linked violations
- October 6, 2020State Public Notification requested2 linked violations
- September 21, 2020State Compliance achieved2 linked violations
- May 20, 2020State Violation/Reminder Notice2 linked violations
- May 19, 2020State Violation/Reminder Notice2 linked violations
- May 19, 2020State Violation/Reminder Notice2 linked violations
- June 13, 2018State Compliance achieved1 linked violation
- June 13, 2018State Public Notification received1 linked violation
- June 13, 2018State Public Notification requested1 linked violation
- August 29, 2017State Compliance achieved2 linked violations
- August 23, 2017State Violation/Reminder Notice1 linked violation
- August 23, 2017State Violation/Reminder Notice3 linked violations
- September 26, 2007State Violation/Reminder Notice1 linked violation
- September 26, 2007State Compliance achieved1 linked violation
- April 29, 1987State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Common questions
Is AQUA PA WEST CHESTER required to publish a Consumer Confidence Report?
- Yes. AQUA PA WEST CHESTER is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is AQUA PA WEST CHESTER’s next Consumer Confidence Report due?
- AQUA PA WEST CHESTER’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AQUA PA WEST CHESTER have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for AQUA PA WEST CHESTER.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
AQUA PA WEST CHESTER
610-645-1122
BRYN MAWR, PA 19010