CORAOPOLIS, PA · Allegheny County
CORAOPOLIS WATER & SEWER 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)
- PA5020010
- System type
- Community Water System
- Population served
- 5,804
- Service connections
- 2,616
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring and Reporting (DBP)
—TTHM
April 1, 2024 – June 30, 2024
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
August 1, 2022 – August 31, 2022
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
April 1, 2017 – June 30, 2017
ResolvedMonitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
June 1, 2014 – June 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2009 – May 26, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2006 – June 30, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2006 – June 30, 2006
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2004 – October 26, 2004
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2000 – June 30, 2004
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1998 – September 30, 1998
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—Benzene
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 1991 – June 30, 1991
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—Benzene
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—Vinyl chloride
July 1, 1989 – September 30, 1989
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 1989 – September 30, 1989
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2024 – June 30, 2024 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| August 1, 2022 – August 31, 2022 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| April 1, 2017 – June 30, 2017 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| June 1, 2014 – June 30, 2014 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| April 1, 2009 – May 26, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| June 1, 2006 – June 30, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2006 – June 30, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2004 – October 26, 2004 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2000 – June 30, 2004 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| September 1, 1998 – September 30, 1998 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1998 – September 30, 1998 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1998 – September 30, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 1991 – June 30, 1991 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 26, 2024State Compliance achieved1 linked violation
- August 13, 2024State Formal Notice of Violation issued1 linked violation
- September 27, 2022State Compliance achieved1 linked violation
- September 27, 2022State Violation/Reminder Notice1 linked violation
- August 15, 2017State Compliance achieved1 linked violation
- July 24, 2014State Compliance achieved1 linked violation
- May 26, 2009State Compliance achieved1 linked violation
- August 21, 2006State Public Notification received1 linked violation
- August 21, 2006State Public Notification requested1 linked violation
- August 21, 2006State Compliance achieved2 linked violations
- August 21, 2006State Formal Notice of Violation issued1 linked violation
- October 26, 2004State Consent Decree/Judgement1 linked violation
- October 26, 2004State Violation/Reminder Notice1 linked violation
- October 26, 2004State Compliance achieved1 linked violation
- October 20, 2004State Consent Decree/Judgement1 linked violation
- October 20, 2004State Compliance achieved1 linked violation
- February 4, 1994Federal Compliance achieved144 linked violations
- August 27, 1991State Formal Notice of Violation issued10 linked violations
- August 19, 1991State Compliance achieved9 linked violations
- March 14, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- May 25, 1983State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
Contact
CORAOPOLIS WATER & SEWER AUTH
412-264-3003
CORAOPOLIS, PA 15108