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Water Hardness in 44641

Louisville, Ohio · Stark County

119 PPM
6.9 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 10 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 10 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
4 verified treated-water sources
10 matched systems total for this ZIP; treated-water reports are prioritized when available.
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 44641

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.

10 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.
Canton Public Water System
OH7608112
Moderately Hard
120 PPMgroundwater107,113 servedVerified — Annual Water Quality Report
Source water: 85 PPM
Aqua Ohio - Massillon Pws
OH7604512
Moderately Hard
120 PPMgroundwater95,636 servedVerified — Annual Water Quality Report
Source water: 399 PPM
North Canton City Pws
OH7604312
Moderately Hard
120 PPMgroundwater24,747 servedVerified — Annual Water Quality Report
Source water: 399 PPM
Alliance City Pws
OH7600011
Moderately Hard
120 PPMsurface water22,232 servedVerified — Annual Water Quality Report
Source water: 111 PPM
Louisville City Pws
OH7603012
Slightly Hard
85 PPMgroundwater9,186 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

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.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | 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 Louisville, OH (44641).

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Frequently Asked Questions

Is the water hard in Louisville, OH (44641)?

The average water hardness in 44641 is 119 PPM (6.9 GPG), which is classified as slightly hard.

Do I need a water softener in 44641?

At 119 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 44641 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 44641?

Zip code 44641 in Louisville, Ohio is served by 10 water systems.

Learn More About Your Water