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Water Hardness in 65085

Westphalia, Missouri · Osage County

347 PPM
20.3 GPG
Very Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 2 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 2 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
2 USGS-backed sources
2 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 65085

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.

2 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.
Osage County Pwsd 2 North
MO3024438
Very Hard
347 PPMgroundwater705 servedHigh Confidence - USGS Monitoring
Osage County Pwsd 2 South
MO3024441
Very Hard
347 PPMgroundwater468 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

650481206507612065101120650353476505434765058395650013476504012065016347650753956504330265109120

What This Means For You

Use this ZIP 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.

MethodologyData sourcesHow 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 Westphalia, MO (65085).

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Frequently Asked Questions

Is the water hard in Westphalia, MO (65085)?

The average water hardness in 65085 is 347 PPM (20.3 GPG), which is classified as very hard.

Do I need a water softener in 65085?

With hardness of 347 PPM, a water softener is recommended for homes in 65085.

Is hard water in 65085 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 65085?

Zip code 65085 in Westphalia, Missouri is served by 2 water systems.

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