Wisconsin · population 19,898
Lead pipes in Onalaska, WI
No lead lines reported
Most of Onalaska (population 19,898) gets its water from Onalaska Waterworks, which reported 6,008 service lines and no lead, galvanized or unknown lines.
0% of Onalaska Waterworks's service lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for Onalaska Waterworks (Jun 2023–Sep 2023): not detected 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 Onalaska Waterworks.
Water systems serving Onalaska
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Onalaska WaterworksMain system | 0 | 0 | 0 | 0% |
| La Crosse 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 Onalaska
The counts above cover the whole water system. To see whether your line is lead, look up your address on Onalaska Waterworks'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
- La Crosseno lead reported
- West Salemno lead reported
- Holmen414 unknown
- Blairno lead reported
- Black River Falls85 lead + galv. lines
- Buffalo31 lead + galv. lines
- Neillsville17 lead + galv. lines
- Mauston379 unknown
Check another water system
Questions
Does Onalaska, WI have lead pipes?
Onalaska Waterworks, which serves Onalaska, reported no lead, galvanized or unknown service lines.
Who supplies water to Onalaska?
EPA's service area maps place most of Onalaska in Onalaska Waterworks's service area (PWSID WI6320327). La Crosse Waterworks also serves parts of the city or nearby areas.
How do I check whether my Onalaska home has a lead service line?
Search your address on Onalaska Waterworks'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 Onalaska 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 Onalaska Waterworks whether your street is scheduled and whether it covers the private side.