Where does the water in 75845 come from?

Water for zip code 75845 in Groveton, Texas is provided by 4 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 75845

Q: Is the water hard in Groveton, TX (75845)?

The average water hardness in 75845 is 190 PPM (11.1 GPG), which is classified as hard. A water softener is recommended to protect your plumbing and appliances.

Q: Do I need a water softener in 75845?

With hardness of 190 PPM, a water softener is recommended for homes in 75845. Hard water can cause scale buildup in pipes and appliances, spotty dishes, and dry skin.

Groveton, Texas · Trinity County

190 PPM

11.1 GPG

Hard

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 4 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 4 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

4 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 75845

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.

4 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
Centerville Wsc TX2280005	groundwater	140 PPM Moderately Hard	1,329	Estimated — County Avg
City Of Groveton TX2280001	groundwater	250 PPM Very Hard	918	Estimated — Nearby Data
Woodlake Josserand Wsc TX2280010	groundwater	250 PPM Very Hard	903	Estimated — Nearby Data
Harbor Point TX2280035	surface water	140 PPM Moderately Hard	856	Estimated — County Avg

Centerville Wsc

TX2280005

Moderately Hard

140 PPMgroundwater1,329 servedEstimated — County Avg

City Of Groveton

TX2280001

Very Hard

250 PPMgroundwater918 servedEstimated — Nearby Data

Woodlake Josserand Wsc

TX2280010

Very Hard

250 PPMgroundwater903 servedEstimated — Nearby Data

Harbor Point

TX2280035

Moderately Hard

140 PPMsurface water856 servedEstimated — County Avg

Nearby Zip Codes

75856148 75926113 75939156 75862146 77360184 75960156 7584727 7594115 7585828 7590414 75934156 7585136

What This Means For You

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

Hard Water - Treatment Recommended

Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.

Recommended Products

Salt-Based Water Softener

Our PickAFWFilters Fleck 5600SXT 48K Also GreatWhirlpool WHES40E 40K Also GreatAFWFilters 64K Grain Also GreatAFWFilters Iron Pro 2 64K Also GreatSpringWell Filter + Softener Combo

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Shower Head Filter

Our PickWeddell Duo Also GreatAquaBliss SF100 Also GreatSprite Pure 7-Setting Also GreatAqua Earth 20-Stage

Water Softener Salt

Our PickMorton Clean & Protect Also GreatDiamond Crystal Bright & Soft

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How 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 Groveton, TX (75845).

Submit Your Data

Frequently Asked Questions

Is the water hard in Groveton, TX (75845)?

Our estimate for 75845 is 190 PPM (11.1 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 75845?

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

Is hard water in 75845 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 75845?

Zip code 75845 in Groveton, Texas is served by 4 water systems.