COLUMBUS, WI · Columbia County

COLUMBUS UTILITIES 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): WI1110038
System type: Community Water System
Population served: 5,173
Service connections: 1,915
Ownership: local government
Water source: groundwater (wells)

Violation history

Lead Service Line Replacement (LSLR)
Health-based
Lead and Copper Rule
January 1, 2018 – October 18, 2018
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
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
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
—
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
—
Styrene
January 1, 1993 – December 31, 1993
Archived
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Archived
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
September 1, 1991 – September 30, 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, 2018 – October 18, 2018	Lead Service Line Replacement (LSLR)	Lead and Copper Rule	Health-based	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	DICHLOROMETHANE	—	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	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	Styrene	—	Archived
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Archived
September 1, 1991 – September 30, 1991	Maximum Contaminant Level Violation, Acute (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

June 27, 1994State Public Notification received1 linked violation
May 26, 1994State Compliance achieved1 linked violation
May 18, 1994State Violation/Reminder Notice1 linked violation
May 18, 1994State Public Notification requested1 linked violation
January 21, 1994State Violation/Reminder Notice21 linked violations
September 30, 1991State Public Notification received1 linked violation

Contact

CAINE, SUSAN - COLUMBUS CITY CLERK

Phone not on record

COLUMBUS, WI 53925-1565