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Water Hardness in 44904

Lexington, Ohio · Richland County

154 PPM
9 GPG
Moderately Hard
0Soft60120180300+
Verified - Annual Water Quality Report

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
2 verified treated-water sources
5 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 44904

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.
Mansfield City
OH7002914
Moderately Hard
140 PPMsurface water51,000 servedVerified - Annual Water Quality Report
Source water: 258 PPM
Lexington Village
OH7002212
Very Hard
314 PPMgroundwater4,320 servedEstimated - Nearby Data
Madison Water District
OH7006712
Moderately Hard
140 PPMgroundwater2,050 servedVerified - Annual Water Quality Report
Source water: 183 PPM
Meadowood Water Association
OH7003112
Very Hard
314 PPMgroundwater140 servedEstimated - Nearby Data
Hanley Village Water Association
OH7005412
Very Hard
314 PPMgroundwater95 servedEstimated - Nearby Data

Nearby Zip Codes

448131524490714044906140449021404490314044833259433383144484314144905141430195164482728043317125

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 Lexington, OH (44904).

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Frequently Asked Questions

Is the water hard in Lexington, OH (44904)?

The average water hardness in 44904 is 154 PPM (9 GPG), which is classified as moderately hard.

Do I need a water softener in 44904?

With hardness of 154 PPM, a water softener is worth considering for homes in 44904.

Is hard water in 44904 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 44904?

Zip code 44904 in Lexington, Ohio is served by 5 water systems.

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