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Water Hardness in 75862

Trinity, Texas · Trinity County

146 PPM
8.6 GPG
Moderately Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 10 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 10 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
7 USGS-backed sources
10 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 75862

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.

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 Trinity
TX2280002
Moderately Hard
140 PPMgroundwater4,619 servedHigh Confidence - USGS Monitoring
Westwood Shores Mud
TX2280016
Moderately Hard
140 PPMsurface water2,125 servedHigh Confidence - USGS Monitoring
Trinity Rural Wsc 1
TX2280011
Moderately Hard
140 PPMsurface water1,700 servedHigh Confidence - USGS Monitoring
Glendale Wsc
TX2280012
Moderately Hard
140 PPMgroundwater1,458 servedHigh Confidence - USGS Monitoring
Centerville Wsc
TX2280005
Moderately Hard
140 PPMgroundwater1,329 servedEstimated - County Avg
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

773671247585136773341277735913377360184773641307584519077320126758561487585290773411277583562

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.

MethodologyData sourcesHow to test your 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 Trinity, TX (75862).

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Frequently Asked Questions

Is the water hard in Trinity, TX (75862)?

The average water hardness in 75862 is 146 PPM (8.6 GPG), which is classified as moderately hard.

Do I need a water softener in 75862?

With hardness of 146 PPM, a water softener is worth considering for homes in 75862.

Is hard water in 75862 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 75862?

Zip code 75862 in Trinity, Texas is served by 10 water systems.

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