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Water Hardness in 65775

West Plains, Missouri · Howell County

249 PPM
14.6 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 5 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 5 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
5 USGS-backed sources
5 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 65775

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.

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.
West Plains Pws
MO4010853
Hard
249 PPMsurface water12,864 servedHigh Confidence — USGS Monitoring
Howell Oregon County Pwsd 2 North
MO4024267
Hard
249 PPMgroundwater1,742 servedHigh Confidence — USGS Monitoring
Howell Oregon 2 West
MO4021376
Hard
249 PPMgroundwater1,170 servedHigh Confidence — USGS Monitoring
Howell Oregon County Pwsd 2 South
MO4024266
Hard
249 PPMgroundwater180 servedHigh Confidence — USGS Monitoring
Henrys Mhp
MO4048241
Hard
249 PPMgroundwater100 servedHigh Confidence — USGS Monitoring

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 West Plains, MO (65775).

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Frequently Asked Questions

Is the water hard in West Plains, MO (65775)?

The average water hardness in 65775 is 249 PPM (14.6 GPG), which is classified as hard.

Do I need a water softener in 65775?

With hardness of 249 PPM, a water softener is recommended for homes in 65775.

Is hard water in 65775 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 65775?

Zip code 65775 in West Plains, Missouri is served by 5 water systems.

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