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Water Hardness in Garland, TX

Texas · 5 zip codes · 20 matched water systems

150 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 150 PPM

Dataset updated March 9, 202620 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Dallas Water Utility
TX0570004
Water source: surface water
Serves: 1,356,479
USGS environmental estimate: 171 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 20 matched water systems and 5 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
20 verified treated-water sources
20 matched systems total for this city; 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 in Garland

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

20 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.
Dallas Water Utility
TX0570004
Moderately Hard
150 PPMsurface water1,356,479 servedVerified — Annual Water Quality Report
Source water: 171 PPM
City Of Irving
TX0570050
Moderately Hard
150 PPMsurface water264,546 servedVerified — Annual Water Quality Report
Source water: 131 PPM
City Of Garland
TX0570010
Moderately Hard
150 PPMsurface water248,822 servedVerified — Annual Water Quality Report
Source water: 171 PPM
City Of Grand Prairie
TX0570048
Moderately Hard
150 PPMsurface water201,843 servedVerified — Annual Water Quality Report
Source water: 171 PPM
City Of Mesquite
TX0570014
Moderately Hard
150 PPMsurface water152,020 servedVerified — Annual Water Quality Report
Source water: 171 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Garland, TX

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Garland, TX.

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Frequently Asked Questions

How hard is the water in Garland, TX?

The citywide weighted average water hardness in Garland, TX is 150 PPM (8.8 GPG), classified as moderately hard. This is based on 20 matched water systems.

Do I need a water softener in Garland, TX?

With a citywide average hardness of 150 PPM, a water softener is worth considering for homes in Garland. Confirm your tap reading before sizing equipment.

Is hard water in Garland, TX 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 Garland, TX?

Garland, Texas is served by 20 matched water systems across 5 zip codes.

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