Public water system record
Hidden Meadows
Serves an area of Dodge County, WI that includes Watertown · 166 people served
Federal records show 3 health-based violations and 25 monitoring/reporting issues for Hidden Meadows 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
- 3
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 3
- Any acute record
- No
- Monitoring issues, last 10 years
- 25
Key facts
- Hidden Meadows draws water from 3 wells (2 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 6.355 pCi/L, federal limit 5 pCi/L (1.3 times the limit), 2025.
- Record on file since 1991, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 161 unknown out of 161 service lines.
Check whether Hidden Meadows 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 6.305 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
340 | Oct 1, 2025 |
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 6.18 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | Jul 1, 2025 |
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 6.355 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
|
340 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Jul 21, 2025 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Benzene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Toluene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Styrene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1991
EPA's records for Hidden Meadows go back to 1991. Before October 19, 2016 they list no health-based violations and 21 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 13 |
| 2000s | 0 | 6 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 3 | 23 |
What the violations mean
Combined Radium (-226 and -228)
3 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.
Where the water comes from
Hidden Meadows draws water from 3 wells (2 of them for emergency, seasonal or other part-time use).
Annual water quality report
Hidden Meadows 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 Hidden Meadows 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