Water Hardness in 75640
New Diana, Texas · Upshur County
Dataset updated March 9, 2026Matched to 4 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 4 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 75640
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Pritchett Water Supply Corporation TX2300012 | groundwater | 13 PPM Soft | |
| Diana Sud TX2300006 | surface water | 42 PPM Soft | |
| Glenwood Wsc TX2300005 | groundwater | 13 PPM Soft | |
| City Of East Mountain TX2300033 | groundwater | 13 PPM Soft |
Nearby Zip Codes
What This Means For You
Use this ZIP 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 New Diana, TX (75640).
Frequently Asked Questions
Is the water hard in New Diana, TX (75640)?
The average water hardness in 75640 is 22 PPM (1.3 GPG), which is classified as soft.
Do I need a water softener in 75640?
At 22 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 75640 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 75640?
Zip code 75640 in New Diana, Texas is served by 4 water systems.
Learn More About Your Water
Water Hardness Scale: PPM and GPG Chart
Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.
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