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Water Hardness in Linwood, KS

Kansas · 1 zip codes · 4 matched water systems

330 PPM
19.3 GPG
Very Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 USGS-backed sources
4 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
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 in Linwood

These systems are matched to Linwood, KS. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

4 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.
Leavenworth Water Department
KS2010317
Hard
197 PPMsurface water38,757 servedEstimated — Nearby Data
Fort Leavenworth American Water Ent Llc
KS2010311
Very Hard
741 PPMgroundwater12,934 servedEstimated — Nearby Data
Leavenworth Co Rwd 10
KS2010315
Hard
197 PPMsurface water499 servedHigh Confidence — USGS Monitoring
Linwood, City Of
KS2010310
Hard
197 PPMsurface water419 servedHigh Confidence — USGS Monitoring

Zip Codes in Linwood, KS

What This Means For You

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

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water

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 Linwood, KS.

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Frequently Asked Questions

How hard is the water in Linwood, KS?

The citywide weighted average water hardness in Linwood, KS is 330 PPM (19.3 GPG), classified as very hard. This is based on 4 matched water systems.

Do I need a water softener in Linwood, KS?

With a citywide average hardness of 330 PPM, a water softener is recommended for homes in Linwood. Confirm your tap reading before sizing equipment.

Is hard water in Linwood, KS 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 Linwood, KS?

Linwood, Kansas is served by 4 matched water systems across 1 zip code.

Learn More About Your Water