Wisconsin · population 26,620
Lead pipes in Superior, WI
4,610 lead or galvanized lines to replace
Most of Superior (population 26,620) gets its water from Superior Water Light & Power Company. That system reported 4,497 lead and 113 galvanized-requiring-replacement service lines out of 10,710, with 360 more of unknown material.
43% of Superior Water Light & Power Company's service lines are lead or galvanized requiring replacement, higher than the Wisconsin average (11%) and higher than the national average (3.1%).
- Lead 42%
- Galvanized (replace) 1.1%
- Unknown 3.4%
- Non-lead 54%
Latest lead test for Superior Water Light & Power Company (Jan 2026–Jun 2026): 2.9 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 Superior Water Light & Power Company.
Water systems serving Superior
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Superior Water Light & Power CompanyMain system | 4,497 | 113 | 360 | 43% |
| Manitou Falls Sanitary District No 1Also serves parts of the city | 0 | 0 | 31 | 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 Superior
The counts above cover the whole water system. To see whether your line is lead, look up your address on Superior Water Light & Power Company'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 Superior, WI have lead pipes?
Yes. Superior Water Light & Power Company, which serves Superior, reported 4,497 lead and 113 galvanized-requiring-replacement service lines, plus 360 of unknown material.
Who supplies water to Superior?
EPA's service area maps place most of Superior in Superior Water Light & Power Company's service area (PWSID WI8160147). Manitou Falls Sanitary District No 1 also serves parts of the city or nearby areas.
How do I check whether my Superior home has a lead service line?
Search your address on Superior Water Light & Power Company'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 Superior 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 Superior Water Light & Power Company whether your street is scheduled and whether it covers the private side.