Wisconsin · population 7,275
Lead pipes in Delafield, WI
26 lines still unidentified
Most of Delafield (population 7,275) gets its water from Nashotah House. It reported no confirmed lead service lines, but 26 of 26 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Nashotah House'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 100%
- Non-lead 0%
Latest lead test for Nashotah House (Jun 2021–Sep 2021): 10.1 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 for Nashotah House.
Water systems serving Delafield
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Nashotah HouseMain system | 0 | 0 | 26 | 0% |
| St Johns Northwestern AcademiesAlso serves parts of the city | 0 | 0 | 12 | 0% |
| Quail Hollow CondosAlso serves parts of the city | 0 | 0 | 5 | 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 Delafield
The counts above cover the whole water system. To see whether your line is lead, look up your address on Nashotah House'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
- Nashotah38 unknown
- Summit720 lead + galv. lines
- Dousman18 lead + galv. lines
- Merton10 lead + galv. lines
- Pewaukee village1 lead + galv. lines
- Pewaukee city118 unknown
- Waukesha cityno lead reported
- North Prairie547 unknown
Check another water system
Questions
Does Delafield, WI have lead pipes?
None are confirmed, but Nashotah House still lists 26 service lines as unknown material.
Who supplies water to Delafield?
EPA's service area maps place most of Delafield in Nashotah House's service area (PWSID WI2682512). St Johns Northwestern Academies, Quail Hollow Condos also serve parts of the city or nearby areas.
How do I check whether my Delafield home has a lead service line?
Search your address on Nashotah House'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 Delafield 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 Nashotah House whether your street is scheduled and whether it covers the private side.