COLGATE, WI · Waukesha County
NORWAUK WATER TRUST #1 Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of August 1, 1994. 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 Waukesha County, WI.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- WI2683028
- System type
- Community Water System
- Population served
- 25
- Service connections
- 2
- Ownership
- privately owned
- Water source
- groundwater (wells)
NORWAUK WATER TRUST #1 is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, formerly serving 25 people from groundwater.
EPA's federal records list this system as inactive in 1994; the record below is historical.
As of August 1, 2026, its federal record holds 2 entries between 1993 and 1994, all of which EPA lists as closed. Nothing has been added since 1994.
All 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1994 – February 28, 1994
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1993 – October 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 |
|---|---|---|---|---|
| February 1, 1994 – February 28, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1993 – October 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- April 1, 1994State Violation/Reminder Notice1 linked violation
- April 1, 1994State Public Notification requested1 linked violation
- March 31, 1994State Compliance achieved1 linked violation
- December 10, 1993State Violation/Reminder Notice1 linked violation
- December 10, 1993State Public Notification requested1 linked violation
- June 30, 1992State Public Notification received1 linked violation
- May 30, 1992State Compliance achieved1 linked violation
- May 21, 1992State Public Notification requested1 linked violation
- May 21, 1992State Violation/Reminder Notice1 linked violation
Last known contact on file (system is inactive)
Not on record
Phone not on record
COLGATE, WI 53017