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Water Hardness in 75980

Zavalla, Texas · Angelina County

17 PPM
1 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 7 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 7 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 USGS-backed sources
7 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 75980

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.

7 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 Lufkin
TX0030004
Soft
18 PPMgroundwater51,236 servedEstimated — County Avg
Hudson Wsc
TX0030023
Soft
1 PPMgroundwater10,907 servedEstimated — Nearby Data
Hhsc Lufkin State Supported Living Cent
TX0030031
Soft
18 PPMgroundwater1,356 servedEstimated — County Avg
City Of Zavalla
TX0030030
Slightly Hard
115 PPMsurface water880 servedHigh Confidence — USGS Monitoring
Tx Airstream Harbor Water
TX0030053
Slightly Hard
115 PPMgroundwater236 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

759381157592911575949157593674759446575931247594211575951107590115759411575968407593043

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Zavalla, TX (75980).

Submit Your Data

Frequently Asked Questions

Is the water hard in Zavalla, TX (75980)?

The average water hardness in 75980 is 17 PPM (1 GPG), which is classified as soft.

Do I need a water softener in 75980?

At 17 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 75980 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 75980?

Zip code 75980 in Zavalla, Texas is served by 7 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

10 min read

How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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