Wisconsin · population 22,617
Lead pipes in Watertown, WI
934 lead or galvanized lines to replace
Most of Watertown (population 22,617) gets its water from Watertown Waterworks. That system reported 927 lead and 7 galvanized-requiring-replacement service lines out of 7,603, with 1 more of unknown material.
12% of Watertown Waterworks's service lines are lead or galvanized requiring replacement, about the same as the Wisconsin average (11%) and higher than the national average (3.1%).
- Lead 12%
- Galvanized (replace) <0.1%
- Unknown <0.1%
- Non-lead 88%
Latest lead test for Watertown Waterworks (Jun 2023–Sep 2023): 15 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 Watertown Waterworks.
Water systems serving Watertown
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Watertown WaterworksMain system | 927 | 7 | 1 | 12% |
| Hidden MeadowsAlso serves parts of the city | 0 | 0 | 161 | 0% |
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 Watertown
The counts above cover the whole water system. To see whether your line is lead, look up your address on Watertown 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
Check another water system
Questions
Does Watertown, WI have lead pipes?
Yes. Watertown Waterworks, which serves Watertown, reported 927 lead and 7 galvanized-requiring-replacement service lines, plus 1 of unknown material.
Who supplies water to Watertown?
EPA's service area maps place most of Watertown in Watertown Waterworks's service area (PWSID WI1280044). Hidden Meadows also serves parts of the city or nearby areas.
How do I check whether my Watertown home has a lead service line?
Search your address on Watertown 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 Watertown 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 Watertown Waterworks whether your street is scheduled and whether it covers the private side.