GRAFTON, WI · Ozaukee County

GRAFTON WATERWORKS 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): WI2460111
System type: Community Water System
Population served: 12,269
Service connections: 4,544
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2006 – November 30, 2006
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 1, 2004 – February 22, 2011
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Benzene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Toluene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Styrene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2004 – March 31, 2004
Archived
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Benzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Styrene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Vinyl chloride
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Xylenes, Total
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Toluene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Trichloroethylene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 1996 – December 31, 1996
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1994 – March 31, 1994
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, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
November 1, 2006 – November 30, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2004 – February 22, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Benzene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Toluene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Styrene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2004 – March 31, 2004	Monitoring, Regular	Xylenes, Total	—	Archived
October 1, 2000 – December 31, 2000	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Benzene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Styrene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Vinyl chloride	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Xylenes, Total	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Toluene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Tetrachloroethylene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	Trichloroethylene	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 2000 – December 31, 2000	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	CYANIDE	—	Resolved
March 1, 1994 – March 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

July 1, 2003State Public Notification received7 linked violations
July 1, 2003State Public Notification received4 linked violations
July 1, 2003State Public Notification issued3 linked violations
April 30, 1994State Compliance achieved1 linked violation
March 22, 1994State Violation/Reminder Notice1 linked violation
March 22, 1994State Public Notification requested1 linked violation

Contact

GRAFTON VILLAGE CLERK - KAITY OLSEN

Phone not on record

GRAFTON, WI 53024