NEW BERLIN, WI · Waukesha County

NEW BERLIN WATER UTILITY 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 Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

System facts

System ID (PWSID): WI2680217
System type: Community Water System
Population served: 27,899
Service connections: 9,662
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
January 1, 2017 – March 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 16, 2012 – October 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2012 – September 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2012 – September 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2007 – December 31, 2007
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2004 – February 22, 2011
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Benzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Styrene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Check/Repeat/Confirmation
—
Gross Alpha, Excl. Radon and U
February 6, 2002 – March 31, 2002
Resolved
Monitoring, Check/Repeat/Confirmation
—
Radium-228
February 6, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Styrene
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Benzene
October 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2001 – June 30, 2001
Resolved
Monitoring, Regular
—
Benzene
April 1, 2001 – June 30, 2001
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2001 – June 30, 2001
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2001 – June 30, 2001
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2001 – June 30, 2001
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 1999 – December 31, 1999
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 1998 – December 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1997 – May 23, 1997
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Toluene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1995 – October 31, 1995
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 1995 – December 31, 1995
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
March 1, 1992 – March 31, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1991 – August 31, 1991
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
January 1, 2017 – March 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 16, 2012 – October 31, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2004 – February 22, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Benzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Styrene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
February 6, 2002 – March 31, 2002	Monitoring, Check/Repeat/Confirmation	Gross Alpha, Excl. Radon and U	—	Resolved
February 6, 2002 – March 31, 2002	Monitoring, Check/Repeat/Confirmation	Radium-228	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2002 – March 31, 2002	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Styrene	—	Resolved
October 1, 2001 – December 31, 2001	Monitoring, Regular	Benzene	—	Resolved
April 1, 2001 – June 30, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2001 – June 30, 2001	Monitoring, Regular	Benzene	—	Resolved
April 1, 2001 – June 30, 2001	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2001 – June 30, 2001	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2001 – June 30, 2001	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1999 – December 31, 1999	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 1998 – December 31, 1998	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
May 1, 1997 – May 23, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Toluene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Benzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Benzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 1995 – October 31, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1995 – December 31, 1995	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved
March 1, 1992 – March 31, 1992	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1991 – August 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

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

Enforcement actions

March 14, 2018State Compliance achieved4 linked violations
October 31, 2017State Compliance achieved3 linked violations
October 31, 2017State Public Notification received2 linked violations
October 30, 2017State Public Notification requested3 linked violations
October 30, 2017State Public Notification requested5 linked violations
October 30, 2017State Violation/Reminder Notice5 linked violations
March 9, 2010State Civil Case concluded6 linked violations
June 3, 2007State Public Notification issued4 linked violations
February 1, 2005State Violation/Reminder Notice20 linked violations
August 1, 2004State Compliance achieved31 linked violations
March 16, 2004State Administrative/Compliance Order without penalty issued14 linked violations
July 26, 2002State Violation/Reminder Notice157 linked violations
July 26, 2002State Violation/Reminder Notice41 linked violations
March 14, 2001State Violation/Reminder Notice47 linked violations
December 9, 1999State Compliance achieved23 linked violations
April 10, 1992State Boil Water Order3 linked violations
April 9, 1992State Violation/Reminder Notice4 linked violations
September 30, 1983State Violation/Reminder Notice5 linked violations
September 30, 1983State Formal Notice of Violation issued4 linked violations

Contact

NEW BERLIN CITY CLERK - RUBINA MEDINA

Phone not on record

NEW BERLIN, WI 53151