WESTBORO, WI · Taylor County

WESTBORO SAN DIST 1 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): WI8610346
System type: Community Water System
Population served: 150
Service connections: 71
Ownership: local government
Water source: groundwater (wells)

Violation history

Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
July 2, 2025 – July 7, 2025
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
July 2, 2022 – July 5, 2022
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 1, 2020 – June 29, 2021
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2018 – December 6, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2018 – September 30, 2018
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 21, 2017 – September 26, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 28, 2013 – March 17, 2015
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
November 1, 2013 – November 30, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2013 – December 31, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 1, 2009 – February 22, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2000 – February 29, 2000
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
Benzene
April 1, 1993 – June 30, 1993
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 1993 – June 30, 1993
Archived
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 1993 – June 30, 1993
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Benzene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Toluene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Styrene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1993 – December 31, 1993
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
July 2, 2025 – July 7, 2025	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
July 2, 2022 – July 5, 2022	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
February 1, 2020 – June 29, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2018 – December 6, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 1, 2018 – September 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 21, 2017 – September 26, 2017	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
November 28, 2013 – March 17, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 1, 2013 – November 30, 2013	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2009 – February 22, 2011	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 1, 2000 – February 29, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	Benzene	—	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Regular	p-Dichlorobenzene	—	Archived
April 1, 1993 – June 30, 1993	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Benzene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Toluene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Styrene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	DICHLOROMETHANE	—	Archived

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

Enforcement actions

October 21, 2025State Violation/Reminder Notice6 linked violations
November 6, 2013State Public Notification requested40 linked violations
February 24, 1994State Violation/Reminder Notice22 linked violations
October 6, 1993State Compliance achieved20 linked violations

Contact

WESTBORO SANITARY DISTRICT

Phone not on record

WESTBORO, WI 54490