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Water Hardness in Van Alstyne, TX

Texas · 1 zip codes · 10 matched water systems

191 PPM
11.1 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 202610 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 10 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 USGS-backed source
10 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. 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 in Van Alstyne

These systems are matched to Van Alstyne, TX. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

10 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.
City Of Sherman
TX0910006
Moderately Hard
145 PPMsurface water43,645 servedEstimated — County Avg
City Of Denison
TX0910003
Very Hard
358 PPMsurface water27,500 servedHigh Confidence — USGS Monitoring
City Of Van Alstyne
TX0910009
Slightly Hard
102 PPMsurface water7,000 servedEstimated — Nearby Data
South Grayson Sud
TX0910064
Soft
5 PPMgroundwater6,750 servedEstimated — Nearby Data
City Of Howe
TX0910013
Moderately Hard
145 PPMsurface water4,548 servedEstimated — County Avg
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Van Alstyne, TX

What This Means For You

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

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Van Alstyne, TX.

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Frequently Asked Questions

How hard is the water in Van Alstyne, TX?

The citywide weighted average water hardness in Van Alstyne, TX is 191 PPM (11.1 GPG), classified as hard. This is based on 10 matched water systems.

Do I need a water softener in Van Alstyne, TX?

With a citywide average hardness of 191 PPM, a water softener is recommended for homes in Van Alstyne. Confirm your tap reading before sizing equipment.

Is hard water in Van Alstyne, 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 Van Alstyne, TX?

Van Alstyne, Texas is served by 10 matched water systems across 1 zip code.

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