Wisconsin · population 9,055
Lead pipes in Delavan, WI
626 lead or galvanized lines to replace
Most of Delavan (population 9,055) gets its water from Delavan Waterworks. That system reported 626 lead and 0 galvanized-requiring-replacement service lines out of 2,735, with 1,244 more of unknown material.
23% of Delavan Waterworks's service lines are lead or galvanized requiring replacement, higher than the Wisconsin average (11%) and higher than the national average (3.1%).
- Lead 23%
- Galvanized (replace) 0%
- Unknown 45%
- Non-lead 32%
Latest lead test for Delavan Waterworks (Jun 2023–Sep 2023): 10 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 Delavan Waterworks.
Water systems serving Delavan
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Delavan WaterworksMain system | 626 | 0 | 1,244 | 23% |
| Snug Harbor Inn MHPAlso serves parts of the city | 0 | 0 | 42 | 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 Delavan
The counts above cover the whole water system. To see whether your line is lead, look up your address on Delavan 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
- Williams Bay7 lead + galv. lines
- Fontana-on-Geneva Lake1,085 unknown
- Walworth441 lead + galv. lines
- Lake Geneva424 lead + galv. lines
- Clinton11 lead + galv. lines
- Bloomfieldno lead reported
- Whitewater182 lead + galv. lines
- Genoa199 lead + galv. lines
Check another water system
Questions
Does Delavan, WI have lead pipes?
Yes. Delavan Waterworks, which serves Delavan, reported 626 lead and 0 galvanized-requiring-replacement service lines, plus 1,244 of unknown material.
Who supplies water to Delavan?
EPA's service area maps place most of Delavan in Delavan Waterworks's service area (PWSID WI2650113). Snug Harbor Inn MHP also serves parts of the city or nearby areas.
How do I check whether my Delavan home has a lead service line?
Search your address on Delavan 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 Delavan 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 Delavan Waterworks whether your street is scheduled and whether it covers the private side.