LANSDALE, PA · Montgomery County

NORTH PENN WATER AUTHORITY 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): PA1460034
System type: Community Water System
Population served: 91,941
Service connections: 35,797
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Styrene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Toluene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2005 – March 31, 2005
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
LASSO
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
2,4-D
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Chlordane
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Endothall
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Simazine
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Picloram
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Atrazine
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
LASSO
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
2,4-D
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Endothall
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Simazine
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Picloram
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Atrazine
April 1, 1996 – June 30, 1996
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Tetrachloroethylene
April 1, 1994 – June 30, 1994
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Tetrachloroethylene
April 1, 1994 – June 30, 1994
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Tetrachloroethylene
January 1, 1994 – March 31, 1994
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
January 1, 1994 – January 31, 1994
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Tetrachloroethylene
January 1, 1994 – March 31, 1994
Resolved
Monitoring, Check/Repeat/Confirmation
—
CYANIDE
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Check/Repeat/Confirmation
—
CYANIDE
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
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1992 – September 28, 1994
Resolved
Monitoring, Regular
—
Chromium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Fluoride
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Arsenic
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Endrin
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Mercury
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Nitrate
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
2,4-D
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Selenium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Barium
June 24, 1982 – June 23, 1985
Archived
Monitoring, Regular
—
Cadmium
June 24, 1982 – June 23, 1985
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, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CYANIDE	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Chlordane	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	LASSO	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	2,4-D	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Chlordane	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Endothall	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Simazine	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Picloram	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Atrazine	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	LASSO	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	2,4-D	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Endothall	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Simazine	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Picloram	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 1996 – June 30, 1996	Monitoring, Regular	Atrazine	—	Resolved
April 1, 1994 – June 30, 1994	Maximum Contaminant Level Violation, Single Sample	Tetrachloroethylene	Health-based	Resolved
April 1, 1994 – June 30, 1994	Maximum Contaminant Level Violation, Single Sample	Tetrachloroethylene	Health-based	Resolved
January 1, 1994 – March 31, 1994	Maximum Contaminant Level Violation, Single Sample	Tetrachloroethylene	Health-based	Resolved
January 1, 1994 – January 31, 1994	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1994 – March 31, 1994	Maximum Contaminant Level Violation, Single Sample	Tetrachloroethylene	Health-based	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Check/Repeat/Confirmation	CYANIDE	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Check/Repeat/Confirmation	CYANIDE	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1992 – September 28, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
June 24, 1982 – June 23, 1985	Monitoring, Regular	Chromium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Fluoride	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Arsenic	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Endrin	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Mercury	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Nitrate	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	2,4-D	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Selenium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Barium	—	Archived
June 24, 1982 – June 23, 1985	Monitoring, Regular	Cadmium	—	Archived

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

Enforcement actions

March 28, 2007State Compliance achieved20 linked violations
August 10, 2005State Violation/Reminder Notice9 linked violations
August 10, 2005State Compliance achieved9 linked violations
April 4, 2005State Compliance achieved4 linked violations
January 13, 1993Federal Proposed Administrative Order Issued2 linked violations
October 3, 1985State Violation/Reminder Notice6 linked violations
March 11, 1985State Violation/Reminder Noticegeneral 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
November 19, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 19, 1981State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

NORTH PENN WATER AUTHORITY

215-855-3617

LANSDALE, PA 19446