Wisconsin · population 5,429
Lead pipes in Columbus, WI
170 lead or galvanized lines to replace
Most of Columbus (population 5,429) gets its water from Columbus Utilities. That system reported 151 lead and 19 galvanized-requiring-replacement service lines out of 2,051, with 0 more of unknown material.
8.3% of Columbus Utilities's service lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and higher than the national average (3.1%).
- Lead 7.4%
- Galvanized (replace) 0.9%
- Unknown 0%
- Non-lead 92%
Latest lead test for Columbus Utilities (Jun 2025–Sep 2025): 8.9 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists 3 Lead and Copper Rule violations since 2015, 2 health-based for Columbus Utilities.
Water systems serving Columbus
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Columbus UtilitiesMain system | 151 | 19 | 0 | 8.3% |
| Wisconsin Academy Main CampusAlso serves parts of the city | 0 | 0 | 8 | 0% |
| Fall River WaterworksServes 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 Columbus
The counts above cover the whole water system. To see whether your line is lead, look up your address on Columbus 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
- Fall Riverno lead reported
- Waterloono lead reported
- Marshall3 lead + galv. lines
- Beaver Dam1,171 lead + galv. lines
- Windsorno lead reported
- Sun Prairieno lead reported
- Fox Lake661 unknown
- Juneau1 lead + galv. lines
Check another water system
Questions
Does Columbus, WI have lead pipes?
Yes. Columbus Utilities, which serves Columbus, reported 151 lead and 19 galvanized-requiring-replacement service lines, plus 0 of unknown material.
Who supplies water to Columbus?
EPA's service area maps place most of Columbus in Columbus Utilities's service area (PWSID WI1110038). Wisconsin Academy Main Campus, Fall River Waterworks also serve parts of the city or nearby areas.
How do I check whether my Columbus home has a lead service line?
Search your address on Columbus 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 Columbus 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 Columbus Utilities whether your street is scheduled and whether it covers the private side.