Winfield Tap Water Quality Report
Winfield's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
3 other systems serving parts of Winfield report results above guidelines — check which system bills you. COWLEY CO RWD 2 (1 above guidelines), COWLEY CO RWD 4 (1 above guidelines), COWLEY CO RWD 8 (1 above guidelines)
Other systems listed for Winfield with results above guidelines: COWLEY CO RWD 5 (2 above guidelines)
Water system
WINFIELD, CITY OF
3 other systems also serve parts of Winfield. 1 other system is listed for Winfield. See their figures
People Served
11,726
Health-based violations since 2020
0
WINFIELD, CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jun 2022 · WINFIELD, CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Winfield Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Winfield's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
WINFIELD, CITY OF, Winfield's water system, serves 11,726 people. 3 other systems also serve parts of Winfield. 1 other system is listed for Winfield. Each system's results are listed under its own name, never added to WINFIELD, CITY OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for WINFIELD, CITY OF is from Jun 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Kansas
Winfield Water Service Areas
What these numbers actually mean for Winfield, KS
We read Winfield, KS’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 2 contaminants above EPA MCLGs and 9 contaminants with an EPA health goal detected in some samples (no level on file)
- 141 results on file
- 23 PFAS compounds on record
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What Winfield's water readings can explain
Utility-reported data for Winfield includes manganese, sulfate and a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Winfield, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Winfield? Public-water results do not apply to private wells. See Cowley County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Winfield
Winfield's tap water measures 8.0 grains per gallon (136.0 mg/L) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 8.0 gpg water in Winfield — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Kansas as a whole, read water softener cost in Kansas — priced against the plumber wage published for the state.
Frequently Asked Questions About Winfield Tap Water
Winfield's water has 2 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach WINFIELD, CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact WINFIELD, CITY OF directly.
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