Public water system record
Lena Waterworks
Serves Lena, Oconto County, WI · 585 people served
Federal records show 1 health-based violation and 3 monitoring/reporting issues for Lena 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
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Lena Waterworks draws water from 2 wells.
- Most recent formal enforcement: consent decree or court judgment by Wisconsin, June 2013.
- Record on file since 1992, with 2 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 223 unknown out of 289 service lines.
Check whether Lena 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 |
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 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
Full record since 1992
EPA's records for Lena Waterworks go back to 1992. Before October 20, 2016 they list 2 health-based violations (2 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 19, 2016 | 1 | 1 |
| October 20, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 20, 2016: Combined Radium (-226 and -228), began October 2012, Resolved.
Show all 2 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.67 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 1992 | Resolved |
Enforcement actions
Wisconsin regulators took 1 formal enforcement action against Lena Waterworks in 2013. The most recent was a consent decree or court judgment in June 2013.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 28, 2013 | Wisconsin | Consent decree or court judgment | 1 violation (1 health-based): Combined Radium (-226 and -228) |
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.
Where the water comes from
Lena Waterworks draws water from 2 wells.
Annual water quality report
Lena 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