Water Hardness in Dallas, TX
Texas · 44 zip codes · 54 matched water systems
City avg (weighted): 150 PPM
Dataset updated March 9, 202654 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Dallas, TX Water Hard or Soft?
The displayed hardness for Dallas, TX is 150 PPM (8.8 GPG) from Dallas Water Utility, classified as moderately hard. The citywide weighted average is 150 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 54 matched water systems and 44 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 Dallas
These systems are matched to Dallas, TX. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Dallas Water Utility TX0570004 | surface water | 150 PPM Moderately HardUSGS estimate: 171 PPM | |
| City Of Plano TX0430007 | surface water | 150 PPM Moderately HardUSGS estimate: 225 PPM | |
| City Of Irving TX0570050 | surface water | 150 PPM Moderately HardUSGS estimate: 131 PPM | |
| City Of Garland TX0570010 | surface water | 150 PPM Moderately HardUSGS estimate: 171 PPM | |
| City Of Frisco TX0430005 | surface water | 150 PPM Moderately HardUSGS estimate: 225 PPM |
Zip Codes in Dallas, TX
What This Means For You
Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.
Moderately Hard Water
Your water is moderately hard. You're likely seeing scale buildup on fixtures, spotty dishes, and may notice dry skin or hair. A water softener or conditioner can help.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | 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 Dallas, TX.
Frequently Asked Questions
How hard is the water in Dallas, TX?
The citywide weighted average water hardness in Dallas, TX is 150 PPM (8.8 GPG), classified as moderately hard. This is based on 54 matched water systems.
Do I need a water softener in Dallas, TX?
With a citywide average hardness of 150 PPM, a water softener is worth considering for homes in Dallas. Confirm your tap reading before sizing equipment.
Is hard water in Dallas, 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 Dallas, TX?
Dallas, Texas is served by 54 matched water systems across 44 zip codes.
Learn More About Your Water
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