DANBURY, CT · Fairfield County

HAWTHORNE TERRACE ASSOC 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 Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

System facts

System ID (PWSID): CT0340151
System type: Community Water System
Population served: 156
Service connections: 50
Ownership: local government
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2020 – September 30, 2020
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2015 – March 18, 2016
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2015 – December 31, 2017
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
January 1, 2015 – June 16, 2016
Resolved
Monitoring, Regular
—
Endrin
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2015 – December 31, 2017
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2015 – December 31, 2017
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2013 – September 30, 2013
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2013 – September 30, 2013
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2013 – March 18, 2016
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2010 – December 3, 2010
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
September 29, 2010 – March 18, 2016
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2007 – November 20, 2007
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2006 – November 14, 2006
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2020 – September 30, 2020	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 29, 2015 – March 18, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2015 – June 16, 2016	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Endrin	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2015 – December 31, 2017	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2014 – June 30, 2014	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – September 30, 2013	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2013 – September 30, 2013	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2013 – March 18, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2010 – December 3, 2010	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
September 29, 2010 – March 18, 2016	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 10, 2007 – November 20, 2007	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
August 10, 2006 – November 14, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 31, 2022State Compliance achieved2 linked violations
March 31, 2022State Compliance achieved1 linked violation
March 29, 2022State Violation/Reminder Notice3 linked violations
September 30, 2020State Violation/Reminder Notice1 linked violation
September 30, 2020State Compliance achieved1 linked violation
January 9, 2020State Violation/Reminder Notice1 linked violation
July 2, 2019State Compliance achieved1 linked violation
March 19, 2018State Compliance achieved31 linked violations
March 8, 2018State Violation/Reminder Notice31 linked violations
February 23, 2017State Compliance achieved1 linked violation
June 16, 2016State Compliance achieved5 linked violations
March 18, 2016State Compliance achieved6 linked violations
March 18, 2016State Public Notification received4 linked violations
March 18, 2016State Public Notification received7 linked violations
March 18, 2016State Compliance achieved1 linked violation
March 18, 2016State Compliance achieved1 linked violation
March 18, 2016State Compliance achieved1 linked violation
March 7, 2016State Public Notification requested2 linked violations
March 7, 2016State Public Notification requested3 linked violations
January 23, 2015State Public Notification received5 linked violations
February 3, 2014State Violation/Reminder Notice5 linked violations
December 31, 2013State Compliance achieved3 linked violations
December 3, 2010State Compliance achieved5 linked violations
November 20, 2007State Compliance achieved4 linked violations
October 19, 2007State Administrative/Compliance Order with penalty issued1 linked violation
November 14, 2006State Compliance achieved6 linked violations
October 19, 2006State Administrative/Compliance Order with penalty issued4 linked violations
November 15, 2005State Violation/Reminder Notice5 linked violations
September 17, 1994State Public Notification received5 linked violations
July 15, 1994State Violation/Reminder Notice6 linked violations

Contact

DAY, DAVID M.

203-797-4539

DANBURY, CT 06810