DURHAM, PA · Beaver County

KNOB VUE ESTATES 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): PA5040028
System type: Community Water System
Population served: 150
Service connections: 100
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Endothall
April 1, 2025 – June 30, 2025
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2025 – March 31, 2025
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Picloram
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Simazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
LASSO
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2024 – September 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endrin
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Diquat
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endothall
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
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
—
Endothall
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
—
2,3,7,8-TCDD
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
—
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 of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2023 – November 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
November 1, 2023 – November 30, 2023
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
May 1, 2022 – May 31, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
April 1, 2022 – April 30, 2022
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2022 – March 31, 2022
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2013 – December 31, 2013
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2013 – December 31, 2013
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 21, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – January 5, 2006
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
July 1, 2003 – June 22, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2003 – April 30, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2003 – March 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2003 – February 28, 2003
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Selenium
April 17, 1991 – May 16, 1991
Resolved
Monitoring, Check/Repeat/Confirmation
—
Selenium
June 24, 1988 – July 23, 1988
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
August 1, 1976 – July 31, 1980
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
April 1, 2025 – June 30, 2025	Monitoring, Regular	Endothall	—	Resolved
January 1, 2025 – March 31, 2025	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Picloram	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Simazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	LASSO	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endrin	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Diquat	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endothall	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Endrin	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Diquat	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Endothall	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Simazine	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Picloram	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	LASSO	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2024 – March 31, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2022 – May 31, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
April 1, 2022 – April 30, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
March 1, 2022 – March 31, 2022	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
January 1, 2021 – September 30, 2021	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2021 – September 30, 2021	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2004 – February 22, 2007	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2004 – June 21, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – January 5, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – June 22, 2005	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
April 1, 2003 – April 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2003 – March 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2003 – February 28, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
April 17, 1991 – May 16, 1991	Maximum Contaminant Level Violation, Single Sample	Selenium	Health-based	Resolved
June 24, 1988 – July 23, 1988	Monitoring, Check/Repeat/Confirmation	Selenium	—	Resolved
August 1, 1976 – July 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

March 19, 2026State Public Notification received2 linked violations
December 5, 2025State Compliance achieved1 linked violation
October 6, 2025State Compliance achieved1 linked violation
August 7, 2025State Public Notification requested1 linked violation
August 7, 2025State Formal Notice of Violation issued1 linked violation
May 14, 2025State Formal Notice of Violation issued1 linked violation
February 24, 2025State Compliance achieved30 linked violations
November 12, 2024State Formal Notice of Violation issued30 linked violations
November 12, 2024State Public Notification requested30 linked violations
September 23, 2024State Compliance achieved1 linked violation
July 2, 2024State Compliance achieved27 linked violations
May 14, 2024State Public Notification requested28 linked violations
May 14, 2024State Formal Notice of Violation issued28 linked violations
April 3, 2024State Compliance achieved2 linked violations
January 9, 2024State Public Notification requested2 linked violations
January 9, 2024State Formal Notice of Violation issued2 linked violations
July 1, 2022State Compliance achieved1 linked violation
June 30, 2022State Compliance achieved2 linked violations
June 30, 2022State Violation/Reminder Notice1 linked violation
June 22, 2022State Violation/Reminder Notice2 linked violations
September 30, 2021State Compliance achieved2 linked violations
August 23, 2021State Violation/Reminder Notice2 linked violations
March 13, 2019State Compliance achieved1 linked violation
February 3, 2014State Violation/Reminder Notice3 linked violations
February 3, 2014State Compliance achieved3 linked violations
February 22, 2007State Compliance achieved1 linked violation
June 21, 2006State Compliance achieved1 linked violation
January 5, 2006State Compliance achieved1 linked violation
June 22, 2005State Violation/Reminder Notice1 linked violation
June 22, 2005State Compliance achieved1 linked violation
April 12, 2005State Formal Notice of Violation issued1 linked violation
November 1, 2004State Formal Notice of Violation issued1 linked violation
August 27, 2003State Compliance Meeting conducted3 linked violations
August 27, 2003State Compliance achieved3 linked violations
August 21, 1992Federal issued Formal Notice of Violation1 linked violation
August 16, 1991State Compliance achieved2 linked violations
July 15, 1991State Violation/Reminder Notice2 linked violations
September 2, 1988State Violation/Reminder Notice1 linked violation
February 19, 1985State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 3, 1982State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

KNOB VUE ESTATES

412-571-1720

DURHAM, NC 27703