Where does the water in 77597 come from?

Water for zip code 77597 in Wallisville, 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 77597

Wallisville, Texas · Chambers County

72 PPM

4.2 GPG

Slightly Hard

0Soft60120180300+

High Confidence — USGS Monitoring

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

3 USGS-backed sources

4 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 77597

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
City Of Mont Belvieu TX0360017	groundwater	113 PPM Slightly Hard	12,864	High Confidence — USGS Monitoring
Tbcd Winnie Stowell TX0360002	surface water	37 PPM Soft	8,397	High Confidence — USGS Monitoring
Tbcd West Treatment Plant TX0360030	surface water	37 PPM Soft	7,695	High Confidence — USGS Monitoring
Tower Terrace TX0360069	groundwater	121 PPM Moderately Hard	729	Estimated — County Avg

City Of Mont Belvieu

TX0360017

Slightly Hard

113 PPMgroundwater12,864 servedHigh Confidence — USGS Monitoring

Tbcd Winnie Stowell

TX0360002

Soft

37 PPMsurface water8,397 servedHigh Confidence — USGS Monitoring

Tbcd West Treatment Plant

TX0360030

Soft

37 PPMsurface water7,695 servedHigh Confidence — USGS Monitoring

Tower Terrace

TX0360069

Moderately Hard

121 PPMgroundwater729 servedEstimated — County Avg

Nearby Zip Codes

7756072 7751484 77582166 77538174 77521135 7766572 7762931 77520135 77575155 77533167 77562135 77535168

What This Means For You

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

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Water Hardness Test Kit

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

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | 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 Wallisville, TX (77597).

Submit Your Data

Frequently Asked Questions

Is the water hard in Wallisville, TX (77597)?

The average water hardness in 77597 is 72 PPM (4.2 GPG), which is classified as slightly hard.

Do I need a water softener in 77597?

At 72 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 77597 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 77597?

Zip code 77597 in Wallisville, Texas is served by 4 water systems.