Wisconsin · population 48,794
Lead pipes in Wauwatosa, WI
8,665 lead or galvanized lines to replace
Most of Wauwatosa (population 48,794) gets its water from Wauwatosa Waterworks. That system reported 8,665 lead and 0 galvanized-requiring-replacement service lines out of 15,608, with 653 more of unknown material.
56% of Wauwatosa Waterworks's service lines are lead or galvanized requiring replacement, higher than the Wisconsin average (11%) and higher than the national average (3.1%).
- Lead 56%
- Galvanized (replace) 0%
- Unknown 4.2%
- Non-lead 40%
Latest lead test for Wauwatosa Waterworks (Jun 2023–Sep 2023): 8.4 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Wauwatosa Waterworks.
Water systems serving Wauwatosa
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Wauwatosa WaterworksMain system | 8,665 | 0 | 653 | 56% |
| Milwaukee WaterworksServes nearby areas | 65,331 | 0 | 26,341 | 41% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Wauwatosa
The counts above cover the whole water system. To see whether your line is lead, look up your address on Wauwatosa Waterworks's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Elm Grove3 lead + galv. lines
- Milwaukee65,331 lead + galv. lines
- Butlerno lead reported
- West Allis7,719 lead + galv. lines
- Brookfield485 unknown
- West Milwaukee65,331 lead + galv. lines
- Glendale11 lead + galv. lines
- Greenfieldno lead reported
Check another water system
Questions
Does Wauwatosa, WI have lead pipes?
Yes. Wauwatosa Waterworks, which serves Wauwatosa, reported 8,665 lead and 0 galvanized-requiring-replacement service lines, plus 653 of unknown material.
Who supplies water to Wauwatosa?
EPA's service area maps place most of Wauwatosa in Wauwatosa Waterworks's service area (PWSID WI2410596). Milwaukee Waterworks also serves parts of the city or nearby areas.
How do I check whether my Wauwatosa home has a lead service line?
Search your address on Wauwatosa Waterworks's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Wauwatosa be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Wauwatosa Waterworks whether your street is scheduled and whether it covers the private side.