Wisconsin · population 18,973
Lead pipes in Marshfield, WI
127 lead or galvanized lines to replace
Most of Marshfield (population 18,973) gets its water from Marshfield Utilities. That system reported 113 lead and 14 galvanized-requiring-replacement service lines out of 7,339, with 1,032 more of unknown material.
1.7% of Marshfield Utilities's service lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and lower than the national average (3.1%).
- Lead 1.5%
- Galvanized (replace) 0.2%
- Unknown 14%
- Non-lead 84%
Latest lead test for Marshfield Utilities (Jul 2025–Dec 2025): 8.2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015, 1 health-based for Marshfield Utilities.
Water systems serving Marshfield
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Marshfield UtilitiesMain system | 113 | 14 | 1,032 | 1.7% |
| Boardwalk MHC LLCAlso serves parts of the city | 0 | 0 | 50 | 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 Marshfield
The counts above cover the whole water system. To see whether your line is lead, look up your address on Marshfield Utilities'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
- Colby3 lead + galv. lines
- Abbotsford507 unknown
- Neillsville17 lead + galv. lines
- Marathon51 unknown
- Wisconsin Rapids319 lead + galv. lines
- Mosinee50 lead + galv. lines
- Port Edwards3 lead + galv. lines
- Nekoosa110 lead + galv. lines
Check another water system
Questions
Does Marshfield, WI have lead pipes?
Yes. Marshfield Utilities, which serves Marshfield, reported 113 lead and 14 galvanized-requiring-replacement service lines, plus 1,032 of unknown material.
Who supplies water to Marshfield?
EPA's service area maps place most of Marshfield in Marshfield Utilities's service area (PWSID WI7720165). Boardwalk MHC LLC also serves parts of the city or nearby areas.
How do I check whether my Marshfield home has a lead service line?
Search your address on Marshfield Utilities'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 Marshfield 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 Marshfield Utilities whether your street is scheduled and whether it covers the private side.