Iowa · population 4,774
Lead pipes in Humboldt, IA
125 lead or galvanized lines to replace
Most of Humboldt (population 4,774) gets its water from Humboldt Municipal Water Dept. That system reported 0 lead and 125 galvanized-requiring-replacement service lines out of 2,058, with 0 more of unknown material.
6.1% of Humboldt Municipal Water Dept's service lines are lead or galvanized requiring replacement, about the same as the Iowa average (5.6%) and higher than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 6.1%
- Unknown 0%
- Non-lead 94%
Latest lead test for Humboldt Municipal Water Dept (Jan 2023–Dec 2025): 1 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 Humboldt Municipal Water Dept.
Water systems serving Humboldt
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Humboldt Municipal Water DeptMain system | 0 | 125 | 0 | 6.1% |
| Dakota City Water SupplyServes nearby areas | 0 | 15 | 0 | 3.6% |
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 Humboldt
The counts above cover the whole water system. To see whether your line is lead, look up your address on Humboldt Municipal Water Dept'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
- Fort Dodge1,249 lead + galv. lines
- Eagle Grove754 lead + galv. lines
- Manson49 lead + galv. lines
- Clarion23 lead + galv. lines
- Webster29 lead + galv. lines
- Rockwell City city20 lead + galv. lines
- Belmond153 lead + galv. lines
- Laurens74 lead + galv. lines
Check another water system
Questions
Does Humboldt, IA have lead pipes?
Yes. Humboldt Municipal Water Dept, which serves Humboldt, reported 0 lead and 125 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Humboldt?
EPA's service area maps place most of Humboldt in Humboldt Municipal Water Dept's service area (PWSID IA4641064). Dakota City Water Supply also serves parts of the city or nearby areas.
How do I check whether my Humboldt home has a lead service line?
Search your address on Humboldt Municipal Water Dept'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 Humboldt 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 Humboldt Municipal Water Dept whether your street is scheduled and whether it covers the private side.