Public water system record
Wisconsin Dells Waterworks
Serves Wisconsin Dells, Columbia County and Sauk County, WI · 3,232 people served
Federal records show 1 health-based violation and 4 monitoring/reporting issues for Wisconsin Dells Waterworks 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
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Wisconsin Dells Waterworks draws water from 6 wells.
- Most recent formal enforcement: compliance order (no penalty) by Wisconsin, April 2022.
- Record on file since 1997, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,347 unknown out of 1,606 service lines.
Check whether Wisconsin Dells 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 1, 2022 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Nitrate
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
Full record since 1997
EPA's records for Wisconsin Dells Waterworks go back to 1997. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 1997, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1997 | Resolved |
Enforcement actions
Wisconsin regulators took 1 formal enforcement action against Wisconsin Dells Waterworks in 2022. The most recent was a compliance order (no penalty) in April 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 20, 2022 | Wisconsin | Compliance order (no penalty) | 1 violation (1 health-based): Groundwater Rule |
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.
Where the water comes from
Wisconsin Dells Waterworks draws water from 6 wells.
Annual water quality report
Wisconsin Dells 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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