Where does the water in 64688 come from?

Water for zip code 64688 in Wheeling, Missouri is provided by 3 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 64688

Wheeling, Missouri · Livingston County

123 PPM

7.2 GPG

Moderately Hard

0Soft60120180300+

High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 3 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 3 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

3 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 64688

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.

3 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.

Water System	Source	Hardness	Pop. Served	Data Source
Chillicothe Municipal Utilities Pws MO2010162	groundwater	112 PPM Slightly Hard	10,187	Estimated - Nearby Data
Linn Livingston County Pwsd 3 MO2024350	groundwater	190 PPM Hard	1,350	High Confidence - USGS Monitoring
Wheeling Pws MO2010857	groundwater	190 PPM Hard	284	High Confidence - USGS Monitoring

Chillicothe Municipal Utilities Pws

MO2010162

Slightly Hard

112 PPMgroundwater10,187 servedEstimated - Nearby Data

Linn Livingston County Pwsd 3

MO2024350

Hard

190 PPMgroundwater1,350 servedHigh Confidence - USGS Monitoring

Wheeling Pws

MO2010857

Hard

190 PPMgroundwater284 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

64659190 64651190 64635113 64653174 64601116 64643182 64681260 64686112 64652158 64674174 64664112 64628190

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.

Methodology Data sources 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 Wheeling, MO (64688).

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Frequently Asked Questions

Is the water hard in Wheeling, MO (64688)?

The average water hardness in 64688 is 123 PPM (7.2 GPG), which is classified as moderately hard.

Do I need a water softener in 64688?

With hardness of 123 PPM, a water softener is worth considering for homes in 64688.

Is hard water in 64688 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 64688?

Zip code 64688 in Wheeling, Missouri is served by 3 water systems.