THIENSVILLE, WI · Ozaukee County
CENTURY ESTATES 3 Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 21, 2011. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Ozaukee County, WI.
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)
- WI2460135
- System type
- Community Water System
- Population served
- 300
- Service connections
- 87
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
January 1, 2008 – March 31, 2008
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
August 8, 2007 – October 27, 2008
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
December 13, 2006 – March 22, 2007
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Dalapon
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Simazine
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb sulfone
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Carbofuran
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Atrazine
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—LASSO
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Heptachlor
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Chlordane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Simazine
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Picloram
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Dinoseb
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb sulfone
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Carbofuran
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Aldicarb
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Atrazine
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—LASSO
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Heptachlor
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Heptachlor epoxide
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Pentachlorophenol
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Chlordane
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Endrin
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 1994 – March 31, 1994
ArchivedMonitoring, Regular
—2,4-D
January 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1994 – March 31, 1994
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, 2008 – March 31, 2008 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| August 8, 2007 – October 27, 2008 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| December 13, 2006 – March 22, 2007 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Toxaphene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Dalapon | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Simazine | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb sulfoxide | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb sulfone | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbofuran | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | LASSO | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Heptachlor | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Chlordane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Simazine | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Picloram | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Dinoseb | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb sulfoxide | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb sulfone | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Carbofuran | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Aldicarb | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | LASSO | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Heptachlor | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Chlordane | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Endrin | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Methoxychlor | — | Archived |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1994 – March 31, 1994 | Monitoring, Regular | Methoxychlor | — | 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, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Public Notification issued1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 21, 2011State Compliance achieved1 linked violation
- October 11, 2011State Violation/Reminder Notice1 linked violation
- October 11, 2011State Public Notification requested1 linked violation
- October 10, 2011State Administrative/Compliance Order without penalty issued1 linked violation
- October 10, 2011State Administrative/Compliance Order without penalty issued1 linked violation
- October 10, 2011State Administrative/Compliance Order without penalty issued1 linked violation
- August 9, 2011State Administrative/Compliance Order without penalty issued3 linked violations
- August 4, 2011State Public Notification requested3 linked violations
- August 4, 2011State Public Notification requested3 linked violations
- August 1, 2011State Administrative/Compliance Order without penalty issued3 linked violations
- August 1, 2011State Administrative/Compliance Order without penalty issued3 linked violations
- August 1, 2011State Administrative/Compliance Order without penalty issued3 linked violations
- June 23, 2011State Other1 linked violation
- June 20, 2011State Other3 linked violations
- May 18, 2011State Administrative/Compliance Order without penalty issued24 linked violations
- April 26, 2011State Violation/Reminder Notice6 linked violations
- April 26, 2011State Public Notification received3 linked violations
- February 21, 2011State Administrative/Compliance Order without penalty issued9 linked violations
- November 11, 2010State Violation/Reminder Notice1 linked violation
- November 11, 2010State Public Notification requested65 linked violations
- November 11, 2010State Public Notification requested4 linked violations
- November 11, 2010State Other4 linked violations
- September 13, 2010State Public Notification issued4 linked violations
- September 2, 2010State Public Notification received1 linked violation
- May 19, 2010State Other2 linked violations
- May 12, 2010State Administrative/Compliance Order without penalty issued1 linked violation
- May 12, 2010State Other6 linked violations
- May 12, 2010State Violation/Reminder Notice2 linked violations
- May 12, 2010State Public Notification issued2 linked violations
- March 16, 2010State Administrative/Compliance Order without penalty issued2 linked violations
- October 7, 2009State Public Notification received22 linked violations
- March 27, 2009State Public Notification requested13 linked violations
- March 27, 2009State Public Notification issued2 linked violations
- March 27, 2009State Compliance Meeting conducted2 linked violations
- March 25, 2009State Public Notification issued8 linked violations
- March 25, 2009State Public Notification issued14 linked violations
- March 25, 2009State Public Notification issued10 linked violations
- January 22, 2009State Other39 linked violations
- December 9, 2008State Other11 linked violations
- December 9, 2008State Public Notification issued2 linked violations
- December 9, 2008State Compliance Meeting conducted2 linked violations
- December 9, 2008State Public Notification received1 linked violation
- December 9, 2008State Administrative/Compliance Order without penalty issued2 linked violations
- December 9, 2008State Other2 linked violations
- December 9, 2008State Public Notification issued2 linked violations
- December 9, 2008State Public Notification requested13 linked violations
- October 21, 2008State Public Notification received12 linked violations
- October 21, 2008State Administrative/Compliance Order without penalty issued2 linked violations
- July 10, 2008State Compliance Meeting conducted23 linked violations
- June 25, 2008State Public Notification issued34 linked violations
- March 25, 2008State Public Notification issued25 linked violations
- March 25, 2008State Public Notification issued32 linked violations
- February 8, 2008State Violation/Reminder Notice9 linked violations
- November 8, 2007State Other3 linked violations
- October 31, 2007State Other3 linked violations
- August 6, 2007State Public Notification received3 linked violations
- July 10, 2007State Administrative/Compliance Order without penalty issued3 linked violations
- June 28, 2007State Other2 linked violations
- April 2, 2007State Violation/Reminder Notice5 linked violations
- February 21, 2007State Public Notification requested64 linked violations
- July 25, 1994State Public Notification received1 linked violation
- June 10, 1994State Public Notification requested1 linked violation
- May 30, 1994State Compliance achieved2 linked violations
Last known contact on file (system is inactive)
MATHWIG, SCOTT
Phone not on record
THIENSVILLE, WI 53092