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Water Hardness in 76667

Mexia, Texas · Limestone County

171 PPM
10 GPG
Moderately Hard
0Soft60120180300+
Estimated — Nearby Data

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
9 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 76667

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 Mexia
TX1470004
Moderately Hard
169 PPMgroundwater7,459 servedEstimated — Nearby Data
Point Enterprise Wsc
TX1470010
Moderately Hard
169 PPMgroundwater2,388 servedEstimated — Nearby Data
White Rock Wsc 1 Forest Glade
TX1470026
Moderately Hard
179 PPMsurface water1,800 servedEstimated — Nearby Data
City Of Coolidge
TX1470001
Moderately Hard
169 PPMsurface water786 servedEstimated — County Avg
Bistone Municipal Water Supply
TX1470006
Moderately Hard
169 PPMgroundwater768 servedEstimated — Nearby Data
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 Mexia, TX (76667).

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Frequently Asked Questions

Is the water hard in Mexia, TX (76667)?

Our estimate for 76667 is 171 PPM (10 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 76667?

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

Is hard water in 76667 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 76667?

Zip code 76667 in Mexia, Texas is served by 9 water systems.

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