SLIPPERY ROCK, PA · Butler County

SLIPPERY ROCK MUNI 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): PA5100079
System type: Community Water System
Population served: 15,778
Service connections: 1,978
Ownership: local government
Water source: groundwater (wells)

Violation history

Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
March 11, 2024 – March 25, 2024
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2023 – November 30, 2023
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
LASSO
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Simazine
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Endrin
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2017 – March 31, 2017
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2017 – March 31, 2017
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2017 – March 31, 2017
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2017 – March 31, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
January 1, 2017 – October 25, 2017
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2017 – December 5, 2017
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2016 – December 31, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
March 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2014 – December 31, 2014
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 and Reporting (DBP)
—
Chlorine
October 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2007 – August 22, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2006 – March 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2005 – June 30, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2005 – March 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2004 – June 30, 2004
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2003 – April 9, 2004
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1995 – December 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
March 11, 2024 – March 25, 2024	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2023 – November 30, 2023	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Asbestos	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	LASSO	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Simazine	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Endrin	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2017 – March 31, 2017	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2017 – October 25, 2017	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
January 1, 2017 – December 5, 2017	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Radium-228	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2007 – August 22, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2005 – September 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2003 – April 9, 2004	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 1995 – December 31, 1995	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 18, 2025State Public Notification received1 linked violation
March 25, 2024State Compliance achieved1 linked violation
March 25, 2024State Violation/Reminder Notice1 linked violation
February 26, 2024State Compliance achieved2 linked violations
February 13, 2024State Formal Notice of Violation issued2 linked violations
February 13, 2024State Public Notification requested2 linked violations
January 8, 2024State Violation/Reminder Notice1 linked violation
January 8, 2024State Compliance achieved1 linked violation
May 24, 2021State Compliance achieved2 linked violations
February 2, 2021State Public Notification requested2 linked violations
February 2, 2021State Violation/Reminder Notice2 linked violations
January 31, 2019State Public Notification requested1 linked violation
January 31, 2019State Violation/Reminder Notice1 linked violation
January 31, 2019State Compliance achieved1 linked violation
December 13, 2018State Public Notification received17 linked violations
February 13, 2018State Compliance achieved1 linked violation
February 13, 2018State Compliance achieved1 linked violation
January 29, 2018State Compliance achieved13 linked violations
January 29, 2018State Compliance achieved13 linked violations
December 5, 2017State Compliance achieved1 linked violation
December 5, 2017State Compliance achieved1 linked violation
October 30, 2017State Violation/Reminder Notice15 linked violations
October 30, 2017State Public Notification requested1 linked violation
October 30, 2017State Public Notification requested1 linked violation
October 30, 2017State Violation/Reminder Notice15 linked violations
October 25, 2017State Compliance achieved2 linked violations
October 25, 2017State Violation/Reminder Notice2 linked violations
October 25, 2017State Violation/Reminder Notice2 linked violations
October 25, 2017State Compliance achieved2 linked violations
April 27, 2017State Violation/Reminder Notice4 linked violations
April 27, 2017State Compliance achieved4 linked violations
January 26, 2017State Compliance achieved4 linked violations
January 26, 2017State Violation/Reminder Notice4 linked violations
May 23, 2016State Violation/Reminder Notice1 linked violation
May 23, 2016State Compliance achieved1 linked violation
February 6, 2015State Violation/Reminder Notice2 linked violations
February 6, 2015State Compliance achieved2 linked violations
February 6, 2015State Public Notification requested2 linked violations
November 3, 2014State Violation/Reminder Notice2 linked violations
November 3, 2014State Compliance achieved2 linked violations
November 3, 2014State Public Notification requested2 linked violations
January 26, 2009State Compliance achieved1 linked violation
January 26, 2009State Violation/Reminder Notice1 linked violation
July 21, 2008State Compliance achieved2 linked violations
July 21, 2008State Violation/Reminder Notice2 linked violations
January 24, 2008State Public Notification received1 linked violation
January 24, 2008State Compliance achieved1 linked violation
January 24, 2008State Public Notification requested1 linked violation
January 24, 2008State Violation/Reminder Notice1 linked violation
August 22, 2007State Compliance achieved1 linked violation
August 22, 2007State Violation/Reminder Notice1 linked violation
May 5, 2006State Violation/Reminder Notice2 linked violations
May 5, 2006State Compliance achieved2 linked violations
May 3, 2006State Compliance achieved4 linked violations
May 3, 2006State Violation/Reminder Notice4 linked violations
February 16, 2005State Compliance achieved1 linked violation
February 16, 2005State Violation/Reminder Notice1 linked violation
February 14, 2005State Formal Notice of Violation issued1 linked violation
February 14, 2005State Compliance achieved1 linked violation
April 9, 2004State Consent Decree/Judgement1 linked violation
April 9, 2004State Compliance achieved1 linked violation
April 9, 2004State Violation/Reminder Notice1 linked violation
September 30, 1982Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record

Contact

SLIPPERY ROCK MUNI AUTH

724-794-8303

SLIPPERY ROCK, PA 16057