Public water system record
Johnson Creek Waterworks
Serves Johnson Creek, Jefferson County, WI · 3,318 people served
Federal records show 1 health-based violation and 21 monitoring/reporting issues for Johnson Creek 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
- 21
Key facts
- Johnson Creek Waterworks draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by Wisconsin, January 2004.
- Record on file since 1986, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 6 lead and 37 unknown out of 1,153 service lines.
Check whether Johnson Creek 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
|
Dec 1, 2024 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Oct 17, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Nov 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1986
EPA's records for Johnson Creek Waterworks go back to 1986. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 2 | 0 |
| 1990s | 2 | 12 |
| 2000s | 2 | 0 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 20 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 2003, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2003 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Jan 1, 2001 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.4 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 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Jan 1, 1996 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Aug 1, 1987 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Sep 2, 1986 | Resolved |
Enforcement actions
Wisconsin regulators took 1 formal enforcement action against Johnson Creek Waterworks in 2004, filed as 3 records in EPA's data. The most recent was a compliance order (no penalty) in January 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 28, 2004 | Wisconsin | Compliance order (no penalty) | 3 violations (3 health-based): Gross Alpha, Excl. Radon and U, 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
Johnson Creek Waterworks draws water from 2 wells.
Annual water quality report
Johnson Creek 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