Public water system record
Wauwatosa Waterworks
Serves Wauwatosa, Milwaukee County, WI · 49,064 people served
Federal records show no health-based violations and no monitoring or reporting issues for Wauwatosa 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
- 0
Key facts
- Wauwatosa Waterworks buys its water from Milwaukee Waterworks.
- Record on file since 1997, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 8,707 lead and 727 unknown out of 15,526 service lines.
Check whether Wauwatosa 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, and no monitoring or reporting violations either.
Full record since 1997
EPA's records for Wauwatosa Waterworks go back to 1997. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 1997, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1997 | Resolved |
Where the water comes from
Wauwatosa 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
Wauwatosa 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