MUKWONAGO, WI · Waukesha County
NORRIS INC Water System
Current status
1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.
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)
- WI2680246
- System type
- Community Water System
- Population served
- 141
- Service connections
- 13
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Failure To Address Deficiency
Health-basedGroundwater Rule
December 20, 2025
UnaddressedLead Consumer Notice
—Lead and Copper Rule
January 1, 2025
UnaddressedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Radium-228
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Benzene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2022 – December 31, 2022
ResolvedMonitoring, Regular
—Benzene
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—Radium-226
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—Radium-226
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2022 – March 31, 2022
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
June 1, 2021 – July 25, 2022
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
April 1, 2021 – September 22, 2021
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1999 – June 30, 1999
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1995 – June 30, 1995
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 1994 – June 30, 1994
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 20, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| January 1, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2022 – December 31, 2022 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| June 1, 2021 – July 25, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| April 1, 2021 – September 22, 2021 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| June 1, 1999 – June 30, 1999 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 1995 – June 30, 1995 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- October 7, 2021State Violation/Reminder Notice37 linked violations
- June 29, 1994State Violation/Reminder Notice1 linked violation
- June 29, 1994State Public Notification requested1 linked violation
- June 29, 1994State Boil Water Order1 linked violation
- June 29, 1994State Compliance achieved1 linked violation
Contact
STURM, JUDY
Phone not on record
MUKWONAGO, WI 53149