Public water system record
Hazel Green Waterworks
Serves Hazel Green, Grant County, WI · 1,193 people served
Federal records show 2 health-based violations and 4 monitoring/reporting issues for Hazel Green Waterworks in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Hazel Green Waterworks draws water from 2 wells.
- Record on file since 1991, with 3 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 577 service lines.
Check whether Hazel Green 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 |
|---|---|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Oct 2, 2025 | Resolved | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Dec 29, 2022 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Dec 29, 2022 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2019 | Resolved |
Full record since 1991
EPA's records for Hazel Green Waterworks go back to 1991. Before October 20, 2016 they list 3 health-based violations (3 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 2 |
| 2000s | 0 | 4 |
| 2010 to October 19, 2016 | 1 | 1 |
| October 20, 2016 to 2019 | 0 | 2 |
| 2020s | 2 | 2 |
Most recent health-based violation before October 20, 2016: Stage 1 Disinfection Byproducts Rule, began May 2014, Resolved.
Show all 3 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
May 2, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Resolved |
What the violations mean
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Lead and Copper Rule
1 incidentThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Hazel Green Waterworks draws water from 2 wells.
Annual water quality report
Hazel Green 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