Missouri · population 1,637
Lead pipes in Winfield, MO
No lead lines reported
Most of Winfield (population 1,637) gets its water from Winfield PWS, which reported 7 service lines and no lead, galvanized or unknown lines.
0% of Winfield PWS's service lines are lead or galvanized requiring replacement, lower than the Missouri average (3.3%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for Winfield PWS (Jan 2023–Dec 2025): 1.3 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 Winfield PWS.
Water systems serving Winfield
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Winfield PWSMain system | 0 | 0 | 0 | 0% |
| Lincoln County PWSD 1Also serves parts of the city | 0 | 0 | 4,909 | 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 Winfield
The counts above cover the whole water system. To see whether your line is lead, look up your address on Winfield PWS'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
- St. Paulno lead reported
- Moscow Millsno lead reported
- Troy2 lead + galv. lines
- Wentzville4,452 unknown
- O'Fallon4,452 unknown
- Lake St. Louis4,452 unknown
- St. Peters2,860 unknown
- Cottleville10,669 lead + galv. lines
Check another water system
Questions
Does Winfield, MO have lead pipes?
Winfield PWS, which serves Winfield, reported no lead, galvanized or unknown service lines.
Who supplies water to Winfield?
EPA's service area maps place most of Winfield in Winfield PWS's service area (PWSID MO6010866). Lincoln County PWSD 1 also serves parts of the city or nearby areas.
How do I check whether my Winfield home has a lead service line?
Search your address on Winfield PWS'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 Winfield 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 Winfield PWS whether your street is scheduled and whether it covers the private side.