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Water Hardness in 67156

Winfield, Kansas · Cowley County

207 PPM
12.1 GPG
Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 6 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
6 estimated sources
This ZIP reading needs local confirmation before equipment sizing or purchase decisions.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 67156

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

6 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Arkansas City, City Of
KS2003509
Very Hard
335 PPMgroundwater11,929 servedEstimated — Nearby Data
Winfield, City Of
KS2003513
Slightly Hard
91 PPMsurface water11,726 servedEstimated — Nearby Data
Cowley Co Rwd 2
KS2003512
Slightly Hard
91 PPMsurface water600 servedEstimated — Nearby Data
Cowley Co Rwd 4
KS2003511
Slightly Hard
91 PPMsurface water500 servedEstimated — Nearby Data
Cowley Co Rwd 7
KS2003516
Slightly Hard
91 PPMsurface water300 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Winfield, KS (67156).

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Frequently Asked Questions

Is the water hard in Winfield, KS (67156)?

Our estimate for 67156 is 207 PPM (12.1 GPG), but it is based on nearby, county, or state-level data rather than a direct treated tap-water report for this exact location. Confirm with your utility or a home test.

Do I need a water softener in 67156?

Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.

Is hard water in 67156 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 67156?

Zip code 67156 in Winfield, Kansas is served by 6 water systems.

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