Public water system record
Three Lakes Sanitary District
Serves Three Lakes, Oneida County, WI · 500 people served
Federal records show 2 health-based violations and 9 monitoring/reporting issues for Three Lakes Sanitary District in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 9
Key facts
- Three Lakes Sanitary District draws water from 2 wells.
- Most recent enforcement action: boil water order by Wisconsin, August 2008.
- Record on file since 2008, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 282 service lines.
Check whether Three Lakes Sanitary District 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 16, 2025 | Resolved | No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Feb 1, 2021 | Resolved |
Full record since 2008
EPA's records for Three Lakes Sanitary District go back to 2008. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 0 |
| 2020s | 2 | 9 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2008, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
Enforcement actions
Wisconsin regulators issued 1 boil water order to Three Lakes Sanitary District in 2008. The most recent was a boil water order in August 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 21, 2008 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
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.
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
Three Lakes Sanitary District draws water from 2 wells.
Annual water quality report
Three Lakes Sanitary District 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 Three Lakes Sanitary District 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