Public water system record
Leroy Sanitary District 1
Serves an area of Dodge County, WI · 320 people served
Federal records show 4 health-based violations and 5 monitoring/reporting issues for Leroy Sanitary District 1 in the last ten years. The most serious issue in this window was a Combined Radium (-226 and -228) violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 5
Key facts
- Leroy Sanitary District 1 draws water from 1 well.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 5.74 pCi/L, federal limit 5 pCi/L (1.1 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by Wisconsin, December 2024.
- Record on file since 1988, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 141 service lines.
Check whether Leroy Sanitary District 1 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 |
|---|---|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.72 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.74 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
|
340 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 1, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Groundwater Rule
OTHER
|
Dec 2, 2024 | Resolved |
|
Public Notice
OTHER
|
Jun 6, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2012 | Active |
Full record since 1988
EPA's records for Leroy Sanitary District 1 go back to 1988. Before October 19, 2016 they list 8 health-based violations (7 resolved, 1 archived by EPA without a recorded fix) and 38 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 1 | 28 |
| 2000s | 4 | 5 |
| 2010 to October 18, 2016 | 2 | 5 |
| October 19, 2016 to 2019 | 2 | 0 |
| 2020s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2014, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2011 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1999 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Sep 26, 1988 | Archived |
Enforcement actions
Wisconsin regulators took 1 formal enforcement action against Leroy Sanitary District 1 and issued 2 boil water orders between 2003 and 2024, filed as 4 records in EPA's data. The most recent was a compliance order (no penalty) in December 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 2, 2024 | Wisconsin | Compliance order (no penalty) | 2 violations (2 health-based): Combined Radium (-226 and -228) |
| Aug 1, 2008 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
| Jun 23, 2003 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
Combined Radium (-226 and -228)
2 incidentsTest results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Groundwater Rule
2 incidentsThe 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 each of these violations.
Where the water comes from
Leroy Sanitary District 1 draws water from 1 well.
Annual water quality report
Leroy Sanitary District 1 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 Leroy Sanitary District 1 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