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Water Hardness in 65040

Henley, Missouri · Cole County

120 PPM
7 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

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
3 verified treated-water sources
3 matched systems total for this ZIP; 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 Serving 65040

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.
Mo American Jefferson City District
MO3010409
Moderately Hard
120 PPMsurface water30,075 servedVerified — Annual Water Quality Report
Source water: 139 PPM
Cole County Pwsd 1
MO3024159
Moderately Hard
120 PPMgroundwater16,548 servedVerified — Annual Water Quality Report
Source water: 139 PPM
Cole County Pwsd 2
MO3024160
Moderately Hard
120 PPMgroundwater13,107 servedVerified — Annual Water Quality Report
Source water: 139 PPM

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment 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 Henley, MO (65040).

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Frequently Asked Questions

Is the water hard in Henley, MO (65040)?

The average water hardness in 65040 is 120 PPM (7 GPG), which is classified as moderately hard.

Do I need a water softener in 65040?

With hardness of 120 PPM, a water softener is worth considering for homes in 65040.

Is hard water in 65040 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 65040?

Zip code 65040 in Henley, Missouri is served by 3 water systems.

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