Water Hardness in Lathrop, MO

Missouri · 1 zip codes · 5 matched water systems

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

City avg (weighted): 261 PPM

Dataset updated March 9, 20265 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
City report

Is Lathrop, MO Water Hard or Soft?

The displayed hardness for Lathrop, MO is 260 PPM (15.2 GPG) from Kansas City Pws, classified as very hard. The citywide weighted average is 261 PPM.

Displayed reading
260 PPM
Very Hard
Local coverage
1 ZIP
5 matched water systems
Source label
Annual Water Quality Report
Verified - Annual Water Quality Report

Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.

Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 verified treated-water source
5 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 Lathrop

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

5 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.
Very Hard
260 PPMsurface water513,800 servedVerified - Annual Water Quality Report
Source water: 243 PPM
Cameron Pws
MO1010131
Very Hard
272 PPMsurface water11,963 servedEstimated - Nearby Data
Very Hard
323 PPMsurface water4,968 servedHigh Confidence - USGS Monitoring
Lathrop Pws
MO1010453
Very Hard
323 PPMsurface water2,945 servedHigh Confidence - USGS Monitoring
Very Hard
323 PPMsurface water750 servedHigh Confidence - USGS Monitoring

Zip Codes in Lathrop, MO

What This Means For You

Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing 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 Lathrop, MO.

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Frequently Asked Questions

How hard is the water in Lathrop, MO?

The citywide weighted average water hardness in Lathrop, MO is 261 PPM (15.3 GPG), classified as very hard. This is based on 5 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 Lathrop, MO?

With a citywide average hardness of 261 PPM, a water softener is recommended for homes in Lathrop. Confirm your tap reading before sizing equipment.

Is hard water in Lathrop, 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 Lathrop, MO?

Lathrop, Missouri is served by 5 matched water systems across 1 zip code.

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