Minnesota · population 21,316
Lead pipes in Northfield, MN
11 lead or galvanized lines to replace
Most of Northfield (population 21,316) gets its water from Northfield. That system reported 10 lead and 1 galvanized-requiring-replacement service lines out of 5,389, with 1,002 more of unknown material.
0.2% of Northfield's service lines are lead or galvanized requiring replacement, lower than the Minnesota average (5.7%) and lower than the national average (3.1%).
- Lead 0.2%
- Galvanized (replace) <0.1%
- Unknown 19%
- Non-lead 81%
Latest lead test for Northfield (Jan 2023–Dec 2025): 3 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 Northfield.
Water systems serving Northfield
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| NorthfieldMain system | 10 | 1 | 1,002 | 0.2% |
| Carleton CollegeServes 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 Northfield
The counts above cover the whole water system. To see whether your line is lead, look up your address on Northfield'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
- Dundas1 unknown
- Faribault1,076 lead + galv. lines
- Farmington1 lead + galv. lines
- Empire172 unknown
- Credit River22 lead + galv. lines
- Apple Valleyno lead reported
- Rosemount2 lead + galv. lines
- Burnsville14 unknown
Check another water system
Questions
Does Northfield, MN have lead pipes?
Yes. Northfield, which serves Northfield, reported 10 lead and 1 galvanized-requiring-replacement service lines, plus 1,002 of unknown material.
Who supplies water to Northfield?
EPA's service area maps place most of Northfield in Northfield's service area (PWSID MN1660010). Carleton College also serves parts of the city or nearby areas.
How do I check whether my Northfield home has a lead service line?
Search your address on Northfield'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 Northfield 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 Northfield whether your street is scheduled and whether it covers the private side.