MONTVILLE, VT · Windsor County

SONNENBERG WATER SYSTEM 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 Vermont’s official records. Always confirm current status with Vermont before making decisions based on this information.

System facts

System ID (PWSID): VT0005314
System type: Community Water System
Population served: 50
Service connections: 22
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2019 – March 31, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – October 10, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2015 – February 28, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2003 – October 31, 2003
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
LASSO
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2003 – March 31, 2003
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2002 – December 31, 2002
Resolved
Monitoring, Regular
—
CYANIDE
April 1, 2001 – June 30, 2001
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Toluene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Barium
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Mercury
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Nickel
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2000 – September 30, 2000
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 1996 – May 31, 1996
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1994 – May 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1991 – August 31, 1991
Resolved

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
January 1, 2019 – March 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2016 – October 10, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
February 1, 2015 – February 28, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2003 – October 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	LASSO	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2002 – December 31, 2002	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2001 – June 30, 2001	Monitoring, Regular	CYANIDE	—	Archived
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Toluene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Barium	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Mercury	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Nickel	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2000 – September 30, 2000	Monitoring, Regular	Nitrate	—	Resolved
May 1, 1996 – May 31, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 1994 – May 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1991 – August 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

December 30, 2019State Public Notification received1 linked violation
November 18, 2019State Compliance achieved1 linked violation
September 3, 2019State Compliance achieved10 linked violations
March 25, 2019State Public Notification requested1 linked violation
March 25, 2019State Formal Notice of Violation issued1 linked violation
February 27, 2017State Public Notification received1 linked violation
November 15, 2016State Compliance achieved1 linked violation
October 10, 2016State Compliance achieved1 linked violation
October 10, 2016State Technical Assistance Visit1 linked violation
October 10, 2016State Formal Notice of Violation issued1 linked violation
May 12, 2016State Formal Notice of Violation issued1 linked violation
May 12, 2016State Public Notification requested1 linked violation
April 20, 2015State Compliance achieved1 linked violation
April 13, 2015State Formal Notice of Violation issued1 linked violation
December 1, 2003State Public Notification requested1 linked violation
December 1, 2003State Violation/Reminder Notice1 linked violation
November 7, 2003State Public Notification received1 linked violation
November 1, 2003State Public Notification requested1 linked violation
November 1, 2003State Violation/Reminder Notice1 linked violation
July 16, 2003State Compliance achieved28 linked violations
June 19, 2003State Public Notification received24 linked violations
June 19, 2003State Public Notification received1 linked violation
June 13, 2003State Public Notification requested1 linked violation
June 13, 2003State Public Notification requested24 linked violations
June 13, 2003State Formal Notice of Violation issued24 linked violations
June 13, 2003State Formal Notice of Violation issued1 linked violation
March 28, 2003State Public Notification received2 linked violations
March 12, 2003State Formal Notice of Violation issued1 linked violation
March 12, 2003State Formal Notice of Violation issued1 linked violation
March 12, 2003State Public Notification requested1 linked violation
March 12, 2003State Public Notification requested1 linked violation
August 28, 2001State Public Notification received1 linked violation
August 17, 2001State Public Notification requested1 linked violation
August 17, 2001State Formal Notice of Violation issued1 linked violation
June 18, 2001State Compliance achieved11 linked violations
June 18, 2001State Compliance achieved21 linked violations
May 30, 2001State Public Notification received21 linked violations
May 30, 2001State Public Notification received10 linked violations
May 16, 2001State Public Notification requested10 linked violations
May 16, 2001State Public Notification requested21 linked violations
May 16, 2001State Formal Notice of Violation issued21 linked violations
May 16, 2001State Formal Notice of Violation issued10 linked violations
November 20, 2000State Public Notification received1 linked violation
November 14, 2000State Formal Notice of Violation issued1 linked violation
November 14, 2000State Public Notification requested1 linked violation
November 7, 2000State Compliance achieved1 linked violation
October 2, 1999State Public Notification received1 linked violation
August 1, 1999State Violation/Reminder Notice2 linked violations
August 1, 1999State Public Notification requested2 linked violations
December 31, 1996State Violation/Reminder Notice1 linked violation
December 31, 1996State Public Notification requested1 linked violation
December 31, 1996State Public Notification requested1 linked violation
December 31, 1996State Violation/Reminder Notice1 linked violation
August 28, 1996State Compliance achieved1 linked violation
June 1, 1996State Public Notification requested1 linked violation
June 1, 1996State Violation/Reminder Notice1 linked violation
September 1, 1995State Public Notification requested1 linked violation
September 1, 1995State Public Notification received1 linked violation
September 1, 1995State Boil Water Order1 linked violation
July 1, 1994State Violation/Reminder Notice2 linked violations
July 1, 1994State Public Notification received3 linked violations
July 1, 1994State Public Notification requested2 linked violations
October 1, 1993State Public Notification requested1 linked violation
October 1, 1993State Violation/Reminder Notice1 linked violation
October 1, 1993State Public Notification requested1 linked violation
October 1, 1993State Violation/Reminder Notice1 linked violation
September 1, 1991State Violation/Reminder Notice1 linked violation
September 1, 1991State Public Notification requested1 linked violation
June 1, 1991State Violation/Reminder Notice2 linked violations
June 1, 1991State Boil Water Order2 linked violations

Contact

HANZL, KENNETH

973-214-2505

MONTVILLE, NJ 07045