Public water system record
Wilson Waterworks
Serves Wilson, St. Croix County, WI · 170 people served
Federal records show 2 health-based violations and 6 monitoring/reporting issues for Wilson Waterworks in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Wilson Waterworks draws water from 1 well.
- Most recent formal enforcement: consent decree or court judgment by Wisconsin, June 2022.
- Record on file since 1996, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 73 unknown out of 81 service lines.
Check whether Wilson Waterworks 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 REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 15, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jul 15, 2019 | Resolved |
Full record since 1996
EPA's records for Wilson Waterworks go back to 1996. Before October 19, 2016 they list 3 health-based violations (3 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 0 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 1 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 1998, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1998 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1996 | Resolved |
Enforcement actions
Wisconsin regulators took 2 formal enforcement actions against Wilson Waterworks and issued 1 boil water order between 1997 and 2022. The most recent was a consent decree or court judgment in June 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 6, 2022 | Wisconsin | Consent decree or court judgment | 1 violation (1 health-based): Groundwater Rule |
| Jan 13, 2020 | Wisconsin | Compliance order (no penalty) | 1 violation (1 health-based): Groundwater Rule |
| Oct 16, 1997 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
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.
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Wilson Waterworks draws water from 1 well.
Annual water quality report
Wilson Waterworks 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 Wilson Waterworks 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