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Water Hardness in 76271

Tioga, Texas · Grayson County

210 PPM
12.3 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 9 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 9 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
2 USGS-backed sources
9 matched systems total for this ZIP; 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 Serving 76271

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.

9 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 Howe
TX0910013
Moderately Hard
145 PPMsurface water4,548 servedEstimated — County Avg
Tanglewood On Texoma
TX0910052
Moderately Hard
145 PPMsurface water4,341 servedEstimated — County Avg
Rra Preston Shores Water System
TX0910037
Moderately Hard
145 PPMsurface water2,277 servedEstimated — County Avg
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment 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 Tioga, TX (76271).

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Frequently Asked Questions

Is the water hard in Tioga, TX (76271)?

The average water hardness in 76271 is 210 PPM (12.3 GPG), which is classified as hard.

Do I need a water softener in 76271?

With hardness of 210 PPM, a water softener is recommended for homes in 76271.

Is hard water in 76271 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 76271?

Zip code 76271 in Tioga, Texas is served by 9 water systems.

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