Public water system record
Williamsburg 207 209 and 214
On record as serving Thiensville, Ozaukee County, WI · Serves 70 people
Federal records show 3 health-based violations and 15 monitoring/reporting issues for Williamsburg 207 209 and 214 in the last ten years, including an unresolved Lead and Copper Rule violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 0
- Unresolved
- 3
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Williamsburg 207 209 and 214 draws water from 1 well.
- Most recent enforcement action: boil water order by Wisconsin, June 2000.
- Record on file since 1991, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 40 service lines.
Check whether Williamsburg 207 209 and 214 serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2025 | Active | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2025 | Active | No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Jul 1, 2025 | Active |
|
Public Notice
OTHER
|
Mar 11, 2025 | Active |
|
Public Notice
OTHER
|
Jan 1, 2025 | Active |
|
Public Notice
OTHER
|
Jan 1, 2025 | Active |
|
Public Notice
OTHER
|
Jan 1, 2025 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2024 | Resolved |
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Oct 1, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jun 1, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
Full record since 1991
EPA's records for Williamsburg 207 209 and 214 go back to 1991. Before October 19, 2016 they list 5 health-based violations (4 resolved, 1 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 4 |
| 2000s | 1 | 4 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 3 | 13 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 2000, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Archived |
Enforcement actions
Wisconsin regulators issued 6 boil water orders to Williamsburg 207 209 and 214 between 1986 and 2000. The most recent was a boil water order in June 2000.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 16, 2000 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Aug 15, 1997 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Sep 18, 1995 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Aug 14, 1995 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Jul 16, 1993 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Sep 30, 1986 | Wisconsin | Boil water order | 1 violation |
What the violations mean
Lead and Copper Rule
2 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Williamsburg 207 209 and 214 draws water from 1 well.
Annual water quality report
Williamsburg 207 209 and 214 must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Williamsburg 207 209 and 214 for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Wisconsin.
Certified drinking water labs by state EPA guidance for private wells