Minnesota · population 87,986
Lead pipes in Duluth, MN
5,633 lead or galvanized lines to replace
Most of Duluth (population 87,986) gets its water from Duluth. That system reported 5,382 lead and 251 galvanized-requiring-replacement service lines out of 28,729, with 2,609 more of unknown material.
20% of Duluth's service lines are lead or galvanized requiring replacement, higher than the Minnesota average (5.7%) and higher than the national average (3.1%).
- Lead 19%
- Galvanized (replace) 0.9%
- Unknown 9.1%
- Non-lead 71%
Latest lead test for Duluth (Jan 2023–Dec 2025): 8 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 Duluth.
Water systems serving Duluth
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| DuluthMain system | 5,382 | 251 | 2,609 | 20% |
| HermantownServes nearby areas | 0 | 0 | 0 | 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 Duluth
The counts above cover the whole water system. To see whether your line is lead, look up your address on Duluth'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
- Proctor26 lead + galv. lines
- Hermantownno lead reported
- Cloquet359 lead + galv. lines
- Moose Lake31 lead + galv. lines
- Gilbert48 lead + galv. lines
- Eveleth84 lead + galv. lines
- Aurora3 lead + galv. lines
- Virginia68 lead + galv. lines
Check another water system
Questions
Does Duluth, MN have lead pipes?
Yes. Duluth, which serves Duluth, reported 5,382 lead and 251 galvanized-requiring-replacement service lines, plus 2,609 of unknown material.
Who supplies water to Duluth?
EPA's service area maps place most of Duluth in Duluth's service area (PWSID MN1690011). Hermantown also serves parts of the city or nearby areas.
How do I check whether my Duluth home has a lead service line?
Search your address on Duluth'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 Duluth 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 Duluth whether your street is scheduled and whether it covers the private side.