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Water Hardness in Smithville, MO

Missouri · 1 zip codes · 7 matched water systems

260 PPM
15.2 GPG
Very Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 260 PPM

Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Kansas City Pws
MO1010415
Water source: surface water
Serves: 513,800
USGS environmental estimate: 243 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
6 verified treated-water sources
7 matched systems total for this city; treated-water reports are prioritized when available.
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 Smithville

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

7 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.
Kansas City Pws
MO1010415
Very Hard
260 PPMsurface water513,800 servedVerified — Annual Water Quality Report
Source water: 243 PPM
Liberty Pws
MO1010466
Very Hard
260 PPMgroundwater30,800 servedVerified — Annual Water Quality Report
Source water: 489 PPM
Gladstone Pws
MO1010307
Very Hard
260 PPMgroundwater27,000 servedVerified — Annual Water Quality Report
Source water: 489 PPM
Kearney Pws
MO1010416
Very Hard
260 PPMsurface water11,500 servedVerified — Annual Water Quality Report
Source water: 272 PPM
Excelsior Springs Pws
MO1010261
Very Hard
260 PPMgroundwater11,084 servedVerified — Annual Water Quality Report
Source water: 272 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Smithville, MO

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 Smithville, MO.

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Frequently Asked Questions

How hard is the water in Smithville, MO?

The citywide weighted average water hardness in Smithville, MO is 260 PPM (15.2 GPG), classified as very hard. This is based on 7 matched water systems. The gauge highlights Kansas City Pws, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Smithville, MO?

With a citywide average hardness of 260 PPM, a water softener is recommended for homes in Smithville. Confirm your tap reading before sizing equipment.

Is hard water in Smithville, MO 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 Smithville, MO?

Smithville, Missouri is served by 7 matched water systems across 1 zip code.

Learn More About Your Water