Public water system record
Lomira Waterworks
Serves Lomira, Dodge County, WI · 2,701 people served
Federal records show no health-based violations and 8 monitoring/reporting issues for Lomira Waterworks in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Lomira Waterworks draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by Wisconsin, May 2008.
- Record on file since 1983, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 104 unknown out of 758 service lines.
Check whether Lomira 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Groundwater Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
Full record since 1983
EPA's records for Lomira Waterworks go back to 1983. Before October 19, 2016 they list 7 health-based violations (5 resolved, 2 archived by EPA without a recorded fix) and 32 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 3 | 0 |
| 1990s | 3 | 3 |
| 2000s | 1 | 23 |
| 2010 to October 18, 2016 | 0 | 6 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 6 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began January 2007, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.7 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
Jan 1, 2007 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.3 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
Jan 1, 1996 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.1 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jan 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1993 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1984 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Aug 22, 1983 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Aug 22, 1983 | Resolved |
Enforcement actions
Wisconsin regulators took 1 formal enforcement action against Lomira Waterworks in 2008, filed as 5 records in EPA's data. The most recent was a compliance order (no penalty) in May 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 9, 2008 | Wisconsin | Compliance order (no penalty) | 5 violations (5 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U |
Where the water comes from
Lomira Waterworks draws water from 1 well.
Annual water quality report
Lomira 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