Public water system record
Evansville Waterworks
Serves Evansville, Rock County, WI · 5,703 people served
Federal records show 6 health-based violations and 6 monitoring/reporting issues for Evansville Waterworks in the last ten years. The most serious issue in this window was a resolved Gross Alpha, Excl. Radon and U violation.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Evansville Waterworks draws water from 3 wells.
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 10.84 pCi/L, federal limit 5 pCi/L (2.2 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by Wisconsin, June 2018.
- Record on file since 1994, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 261 lead and 691 unknown out of 2,196 service lines.
Check whether Evansville 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 |
|---|---|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21.623 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
|
340 | Jan 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.84 pCi/L, federal limit 5 pCi/L (2.2 times the limit)
|
340 | Jan 1, 2018 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.695 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
340 | Oct 1, 2017 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.185 pCi/L, federal limit 5 pCi/L (2 times the limit)
|
340 | Oct 1, 2017 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 9.45 pCi/L, federal limit 5 pCi/L (1.9 times the limit)
|
340 | Jul 1, 2017 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.63 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
340 | Jul 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Radium-228
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
Full record since 1994
EPA's records for Evansville Waterworks go back to 1994. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 2 |
| 2000s | 1 | 1 |
| 2010 to October 18, 2016 | 1 | 1 |
| October 19, 2016 to 2019 | 6 | 0 |
| 2020s | 0 | 6 |
Most recent health-based violation before October 19, 2016: Gross Alpha, Excl. Radon and U, began January 2012, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.2 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Jan 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2009 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
Enforcement actions
Wisconsin regulators took 1 formal enforcement action against Evansville Waterworks in 2018, filed as 6 records in EPA's data. The most recent was a compliance order (no penalty) in June 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 5, 2018 | Wisconsin | Compliance order (no penalty) | 6 violations (6 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U |
What the violations mean
Gross Alpha, Excl. Radon and U
3 incidentsTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
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
Evansville Waterworks draws water from 3 wells.
Annual water quality report
Evansville 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