Water Hardness in Deer Park, TX
Texas · 1 zip codes · 25 matched water systems
City avg (weighted): 135 PPM
Dataset updated March 9, 202625 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Deer Park, TX Water Hard or Soft?
The displayed hardness for Deer Park, TX is 135 PPM (7.9 GPG) from City Of Houston, classified as moderately hard. The citywide weighted average is 135 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 25 matched water systems and 1 ZIP code. 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 Deer Park
These systems are matched to Deer Park, 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 Houston TX1010013 | surface water | 135 PPM Moderately HardUSGS estimate: 152 PPM | |
| City Of Pasadena TX1010293 | surface water | 135 PPM Moderately HardUSGS estimate: 152 PPM | |
| Clear Lake City Water Authority TX1010056 | surface water | 135 PPM Moderately HardUSGS estimate: 113 PPM | |
| City Of Baytown TX1010003 | surface water | 135 PPM Moderately HardUSGS estimate: 152 PPM | |
| City Of Houston Ud 5 - Kingwood TX1010348 | groundwater | 135 PPM Moderately HardUSGS estimate: 152 PPM |
Zip Codes in Deer Park, TX
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
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 Deer Park, TX.
Frequently Asked Questions
How hard is the water in Deer Park, TX?
The citywide weighted average water hardness in Deer Park, TX is 135 PPM (7.9 GPG), classified as moderately hard. This is based on 25 matched water systems.
Do I need a water softener in Deer Park, TX?
With a citywide average hardness of 135 PPM, a water softener is worth considering for homes in Deer Park. Confirm your tap reading before sizing equipment.
Is hard water in Deer Park, 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 Deer Park, TX?
Deer Park, Texas is served by 25 matched water systems across 1 zip code.
Learn More About Your Water
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