Public water system record
Greendale Waterworks
Serves Greendale and Greenfield, Milwaukee County, WI · 14,393 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Greendale Waterworks in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Greendale Waterworks buys its water from Milwaukee Waterworks.
- Most recent enforcement action: boil water order by Wisconsin, October 2011.
- Record on file since 2000, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 4,996 service lines.
Check whether Greendale 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
Full record since 2000
EPA's records for Greendale Waterworks go back to 2000. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 4 |
| 2010 to October 18, 2016 | 1 | 0 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2011, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2011 | Resolved |
Enforcement actions
Wisconsin regulators issued 1 boil water order to Greendale Waterworks in 2011. The most recent was a boil water order in October 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 1, 2011 | Wisconsin | Boil water order | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Greendale Waterworks buys its water from Milwaukee Waterworks. It lists no wells or intakes of its own.
Buys water from
- Milwaukee Waterworks Milwaukee, WI
Annual water quality report
Greendale 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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