Where does the water in 75140 come from?

Water for zip code 75140 in Grand Saline, Texas is provided by 5 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 75140

Q: Is the water hard in Grand Saline, TX (75140)?

The average water hardness in 75140 is 30 PPM (1.8 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 75140?

At 30 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Grand Saline, Texas · Van Zandt County

30 PPM

1.8 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 5 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 5 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.

Source basis

5 estimated sources

This ZIP reading needs local confirmation before equipment sizing or purchase decisions.

Water source profile

Primarily groundwater

Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 Serving 75140

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.

5 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.

Water System	Source	Hardness	Pop. Served	Data Source
City Of Grand Saline TX2340003	groundwater	30 PPM Soft	3,219	Estimated — Nearby Data
Callender Lake TX2340007	groundwater	30 PPM Soft	2,103	Estimated — County Avg
Pruitt Sand Flat Wsc TX2340015	groundwater	30 PPM Soft	1,641	Estimated — Nearby Data
Corinth Wsc TX2340021	groundwater	30 PPM Soft	1,200	Estimated — Nearby Data
Martins Mill Wsc TX2340013	groundwater	30 PPM Soft	183	Estimated — Nearby Data

City Of Grand Saline

TX2340003

Soft

30 PPMgroundwater3,219 servedEstimated — Nearby Data

Callender Lake

TX2340007

Soft

30 PPMgroundwater2,103 servedEstimated — County Avg

Pruitt Sand Flat Wsc

TX2340015

Soft

30 PPMgroundwater1,641 servedEstimated — Nearby Data

Corinth Wsc

TX2340021

Soft

30 PPMgroundwater1,200 servedEstimated — Nearby Data

Martins Mill Wsc

TX2340013

Soft

30 PPMgroundwater183 servedEstimated — Nearby Data

Nearby Zip Codes

7512730 7579030 7511750 7541048 7577349 7510349 7577145 7575430 7544049 7516972 7578349 7547249

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Grand Saline, TX (75140).

Submit Your Data

Frequently Asked Questions

Is the water hard in Grand Saline, TX (75140)?

Our estimate for 75140 is 30 PPM (1.8 GPG), but it is based on nearby, county, or state-level data rather than a direct treated tap-water report for this exact location. Confirm with your utility or a home test.

Do I need a water softener in 75140?

Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.

Is hard water in 75140 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 75140?

Zip code 75140 in Grand Saline, Texas is served by 5 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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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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