COATESVILLE, PA · Lebanon County

BIG BOULDER MHP 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): PA7380012
System type: Community Water System
Population served: 40
Service connections: 17
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2025 – December 9, 2025
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
LASSO
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Simazine
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Endrin
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2022 – August 9, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2022 – August 9, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2019 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
LASSO
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Endrin
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Diquat
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Endothall
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Simazine
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Picloram
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2016 – October 13, 2016
Resolved
Monitoring, Regular
—
Nitrite
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2011 – December 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2007 – May 31, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2006 – May 16, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1996 – February 29, 1996
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Methoxychlor
May 23, 1991 – June 22, 1991
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Toxaphene
May 23, 1991 – June 22, 1991
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
BHC-GAMMA
May 23, 1991 – June 22, 1991
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
2,4-D
May 23, 1991 – June 22, 1991
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
2,4,5-TP
May 23, 1991 – June 22, 1991
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Endrin
May 23, 1991 – June 22, 1991
Resolved
Monitoring, Check/Repeat/Confirmation
—
Endrin
June 24, 1988 – July 23, 1988
Resolved
Monitoring, Check/Repeat/Confirmation
—
BHC-GAMMA
June 24, 1988 – July 23, 1988
Resolved
Monitoring, Check/Repeat/Confirmation
—
Methoxychlor
June 24, 1988 – July 23, 1988
Resolved
Monitoring, Check/Repeat/Confirmation
—
Toxaphene
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
October 1, 2025 – December 9, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	LASSO	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Simazine	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Endrin	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2022 – August 9, 2022	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2019 – September 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	LASSO	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Endrin	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Diquat	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Endothall	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Simazine	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Picloram	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2016 – October 13, 2016	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrite	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
May 1, 2007 – May 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 11, 2006 – May 16, 2006	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
March 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Nitrate	—	Resolved
February 1, 1996 – February 29, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 23, 1991 – June 22, 1991	Maximum Contaminant Level Violation, Single Sample	Methoxychlor	Health-based	Resolved
May 23, 1991 – June 22, 1991	Maximum Contaminant Level Violation, Single Sample	Toxaphene	Health-based	Resolved
May 23, 1991 – June 22, 1991	Maximum Contaminant Level Violation, Single Sample	BHC-GAMMA	Health-based	Resolved
May 23, 1991 – June 22, 1991	Maximum Contaminant Level Violation, Single Sample	2,4-D	Health-based	Resolved
May 23, 1991 – June 22, 1991	Maximum Contaminant Level Violation, Single Sample	2,4,5-TP	Health-based	Resolved
May 23, 1991 – June 22, 1991	Maximum Contaminant Level Violation, Single Sample	Endrin	Health-based	Resolved
June 24, 1988 – July 23, 1988	Monitoring, Check/Repeat/Confirmation	Endrin	—	Resolved
June 24, 1988 – July 23, 1988	Monitoring, Check/Repeat/Confirmation	BHC-GAMMA	—	Resolved
June 24, 1988 – July 23, 1988	Monitoring, Check/Repeat/Confirmation	Methoxychlor	—	Resolved
June 24, 1988 – July 23, 1988	Monitoring, Check/Repeat/Confirmation	Toxaphene	—	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

December 9, 2025State Compliance achieved1 linked violation
May 14, 2025State Compliance achieved2 linked violations
August 9, 2022State Compliance achieved12 linked violations
August 9, 2022State Formal Notice of Violation issued12 linked violations
August 9, 2022State Violation/Reminder Notice12 linked violations
November 12, 2019State Public Notification requested2 linked violations
November 12, 2019State Formal Notice of Violation issued2 linked violations
October 13, 2016State Violation/Reminder Notice29 linked violations
October 13, 2016State Compliance achieved29 linked violations
September 15, 2016State Formal Notice of Violation issued29 linked violations
August 12, 2016State Violation/Reminder Notice29 linked violations
February 14, 2012State Compliance achieved2 linked violations
February 14, 2012State Formal Notice of Violation issued2 linked violations
August 9, 2010State Compliance achieved1 linked violation
August 6, 2007State Compliance achieved1 linked violation
July 3, 2007State Violation/Reminder Notice1 linked violation
July 3, 2007State Public Notification received1 linked violation
May 16, 2006State Public Notification received2 linked violations
May 16, 2006State Compliance achieved2 linked violations
November 1, 1991State Compliance achieved10 linked violations
November 28, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 30, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 5, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
March 24, 1986State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 20, 1986State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

BIG BOULDER MHP

610-384-7011

COATESVILLE, PA 19320