Water Hardness in Denison, TX
Texas · 2 zip codes · 13 matched water systems
Dataset updated March 9, 202613 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
How this city reading is built
This city reading is a weighted rollup across 13 matched water systems and 2 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 Denison
These systems are matched to Denison, 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 |
|---|---|---|---|
City Of Sherman TX0910006 | surface water | 145 PPM Moderately Hard | |
City Of Denison TX0910003 | surface water | 358 PPM Very Hard | |
City Of Howe TX0910013 | surface water | 145 PPM Moderately Hard | |
Tanglewood On Texoma TX0910052 | surface water | 145 PPM Moderately Hard | |
Oak Ridge South Gale Wsc TX0910033 | surface water | 358 PPM Very Hard |
Zip Codes in Denison, TX
What This Means For You
Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.
Hard Water - Treatment Recommended
Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.
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 Denison, TX.
Frequently Asked Questions
How hard is the water in Denison, TX?
The citywide weighted average water hardness in Denison, TX is 212 PPM (12.4 GPG), classified as hard. This is based on 13 matched water systems.
Do I need a water softener in Denison, TX?
With a citywide average hardness of 212 PPM, a water softener is recommended for homes in Denison. Confirm your tap reading before sizing equipment.
Is hard water in Denison, 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 Denison, TX?
Denison, Texas is served by 13 matched water systems across 2 zip codes.
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