Winfield Water Hardness & Quality Report (2026)
Water Hardness
20.8 grains per gallon
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
1082.6 mg/L
Est. Daily Cost
$0.95
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Winfield, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Winfield | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3 yrs | 12 yrs | -75% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Winfield compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Winfield, Kansas | 356.5 mg/L | 4.9 ppt | 🔴 Very Hard | groundwater |
| Arkansas City, Kansas | 181 mg/L | 2.9 ppt | 🔴 Very Hard | groundwater |
| Derby, Kansas | 196 mg/L | 3.1 ppt | 🔴 Very Hard | groundwater |
| Haysville, Kansas | 176.5 mg/L | 2.9 ppt | 🟠 Hard | groundwater |
| Andover, Kansas | 172 mg/L | 2.8 ppt | 🟠 Hard | groundwater |
National Benchmark
How Winfield compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Winfield | 356.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Winfield's Water Unique?
Local geology and source profile
Winfield, Kansas, in Cowley County — the Cowley County seat adjacent to Arkansas City on the Walnut River in south-central Kansas — receives its water from the City of Winfield Water, drawing from the Walnut River aquifer (Cowley County) through the south-central Kansas distribution.
The extremely hard 356.5 mg/L hardness and very high TDS of 1082.6 mg/L reflect the south-central Kansas Cowley County Permian geological supply's extremely hard calcareous character — the Permian Wellington Formation highly calcareous and Pennsylvanian Chase Group limestone produce extremely hard water throughout the Arkansas River drainage communities in south-central Kansas (compare Ponca City OK: 346.5/1020 in Kay County OK comparable; Winfield at the same extreme hardness tier from the Cowley County Permian bedrock groundwater draw). The Walnut River aquifer at Cowley County — Permian Wellington Formation (highly calcareous — primary hardness contributor), Pennsylvanian Chase Group limestone (calcareous — secondary contributor), and Quaternary Walnut alluvium (calcareous — TDS contributor).
At 356.5 mg/L with TDS 1083, Winfield's water is extremely hard. A water softener is essential to prevent severe scale damage. A reverse osmosis system is required for drinking water. The PFAS level of 4.9 ppt warrants a certified drinking water filter — the Cowley County south-central Kansas agricultural and industrial corridor contribute to Winfield's elevated readings.
Geology & Source: Winfield in Cowley County is served by City of Winfield Water drawing from the Walnut River aquifer — the Cowley County basin drains Permian Wellington Formation (highly calcareous) and Pennsylvanian Chase Group limestone (calcareous) — KS Cowley County Walnut River Permian calcareous groundwater supply produces extremely hard water at 356.5 mg/L with TDS 1082.6 mg/L.