NORTH WALES, PA · Bucks County

NWWA OLDE COLONIAL GREENE 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): PA1090097
System type: Community Water System
Population served: 900
Service connections: 309
Ownership: public/private mix
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Groundwater Rule
November 1, 2014 – November 30, 2014
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
LASSO
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
2,3,7,8-TCDD
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Simazine
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Picloram
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Endrin
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Diquat
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Endothall
July 1, 2014 – September 30, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – February 26, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2008 – October 2, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – October 17, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2007 – November 21, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2007 – July 23, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2006 – July 23, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2006 – July 23, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2006 – March 31, 2006
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2006 – July 23, 2007
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2006 – March 31, 2006
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2005 – July 23, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – July 23, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2004 – February 23, 2006
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – October 26, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2003 – January 7, 2005
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1996 – June 30, 2000
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
January 1, 1995 – May 19, 1997
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Toluene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Styrene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Arsenic
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Cadmium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Chromium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Fluoride
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Nitrate
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Selenium
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Endrin
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Toxaphene
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
2,4-D
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1985 – June 23, 1988
Archived
Monitoring, Regular
—
Barium
June 24, 1985 – June 23, 1988
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
December 1, 2014 – December 31, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring of Treatment (SWTR-Unfilt/GWR)	Groundwater Rule	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	LASSO	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	2,3,7,8-TCDD	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Simazine	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Picloram	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Endrin	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Diquat	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Endothall	—	Resolved
July 1, 2013 – February 26, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2008 – October 2, 2009	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2008 – October 17, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 11, 2007 – November 21, 2007	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2007 – July 23, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 11, 2006 – July 23, 2007	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2006 – July 23, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2006 – July 23, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2006 – March 31, 2006	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2005 – July 23, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2005 – July 23, 2007	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2004 – February 23, 2006	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – October 26, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – January 7, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1996 – June 30, 2000	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1995 – May 19, 1997	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Toluene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Styrene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 1993 – December 31, 1993	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
June 24, 1985 – June 23, 1988	Monitoring, Regular	Arsenic	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Cadmium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Chromium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Fluoride	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Nitrate	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Selenium	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Endrin	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Toxaphene	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	2,4-D	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1985 – June 23, 1988	Monitoring, Regular	Barium	—	Archived

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

Enforcement actions

November 22, 2016State Compliance achieved1 linked violation
September 19, 2016State Violation/Reminder Notice1 linked violation
January 22, 2015State Compliance achieved1 linked violation
January 22, 2015State Public Notification received1 linked violation
January 22, 2015State Public Notification requested1 linked violation
January 9, 2015State Compliance achieved2 linked violations
January 9, 2015State Compliance achieved30 linked violations
January 9, 2015State Public Notification received30 linked violations
January 9, 2015State Public Notification requested30 linked violations
January 9, 2015State Public Notification requested2 linked violations
January 9, 2015State Public Notification received2 linked violations
December 29, 2014State Violation/Reminder Notice1 linked violation
November 24, 2014State Violation/Reminder Notice1 linked violation
October 23, 2014State Violation/Reminder Notice30 linked violations
February 26, 2014State Compliance achieved1 linked violation
October 2, 2009State Compliance achieved1 linked violation
October 17, 2008State Compliance achieved1 linked violation
November 21, 2007State Public Notification received1 linked violation
November 21, 2007State Compliance achieved1 linked violation
November 21, 2007State Technical Assistance Visit1 linked violation
July 23, 2007State Compliance achieved1 linked violation
July 23, 2007State Compliance achieved6 linked violations
July 23, 2007State Public Notification received2 linked violations
July 10, 2007State Violation/Reminder Notice1 linked violation
June 11, 2007State Violation/Reminder Notice1 linked violation
January 23, 2007State Violation/Reminder Notice5 linked violations
December 29, 2006State Violation/Reminder Notice4 linked violations
December 29, 2006State Compliance achieved4 linked violations
September 5, 2006State Violation/Reminder Notice2 linked violations
August 17, 2006State Violation/Reminder Notice1 linked violation
August 15, 2006State Violation/Reminder Notice2 linked violations
May 2, 2006State Formal Notice of Violation issued1 linked violation
March 27, 2006State Compliance achieved2 linked violations
February 23, 2006State Compliance achieved1 linked violation
December 30, 2005State Violation/Reminder Notice1 linked violation
December 30, 2005State Violation/Reminder Notice1 linked violation
August 10, 2005State Formal Notice of Violation issued1 linked violation
August 10, 2005State Formal Notice of Violation issued1 linked violation
August 10, 2005State Formal Notice of Violation issued1 linked violation
May 4, 2005State Compliance achieved1 linked violation
January 31, 2005State Violation/Reminder Notice1 linked violation
January 11, 2005State Violation/Reminder Notice2 linked violations
January 11, 2005State Public Notification requested2 linked violations
January 7, 2005State Compliance achieved1 linked violation
January 6, 2005State Administrative Penalty assessed1 linked violation
October 26, 2004State Violation/Reminder Notice1 linked violation
October 26, 2004State Consent Decree/Judgement1 linked violation
October 26, 2004State Compliance achieved1 linked violation
January 12, 2004State Violation/Reminder Notice1 linked violation
January 12, 2004State Public Notification received1 linked violation
January 12, 2004State Formal Notice of Violation issued1 linked violation
August 22, 1988State Violation/Reminder Notice14 linked violations

Contact

NWWA OLDE COLONIAL GREENE

215-699-4836

NORTH WALES, PA 19454