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Water Hardness in Arlington, TN

Tennessee · 1 zip codes · 4 matched water systems

90 PPM
5.3 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 90 PPM

Dataset updated March 9, 20264 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Memphis Light, Gas, & Water
TN0000450
Water source: groundwater
Serves: 659,500
USGS environmental estimate: 38 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 4 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
4 verified treated-water sources
4 matched systems total for this city; 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 in Arlington

These systems are matched to Arlington, TN. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

4 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.
Memphis Light, Gas, & Water
TN0000450
Slightly Hard
90 PPMgroundwater659,500 servedVerified — Annual Water Quality Report
Source water: 38 PPM
Bartlett Water System
TN0000765
Slightly Hard
90 PPMgroundwater57,129 servedVerified — Annual Water Quality Report
Source water: 38 PPM
Collierville Water Dept
TN0000126
Slightly Hard
90 PPMgroundwater51,972 servedVerified — Annual Water Quality Report
Source water: 21 PPM
Germantown Water Dept
TN0000262
Slightly Hard
90 PPMgroundwater37,738 servedVerified — Annual Water Quality Report
Source water: 21 PPM

Zip Codes in Arlington, TN

What This Means For You

Recommendations are based on the displayed 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 Arlington, TN.

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Frequently Asked Questions

How hard is the water in Arlington, TN?

The citywide weighted average water hardness in Arlington, TN is 90 PPM (5.3 GPG), classified as slightly hard. This is based on 4 matched water systems.

Do I need a water softener in Arlington, TN?

At 90 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Arlington, TN 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 Arlington, TN?

Arlington, Tennessee is served by 4 matched water systems across 1 zip code.

Learn More About Your Water