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Water Hardness in 75691

Tatum, Texas · Rusk County

14 PPM
0.8 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 16 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 16 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
6 USGS-backed sources
16 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 75691

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.

16 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 Henderson
TX2010001
Soft
17 PPMsurface water14,666 servedHigh Confidence — USGS Monitoring
Cross Roads Sud
TX2010011
Soft
11 PPMgroundwater4,062 servedEstimated — County Avg
City Of New London
TX2010024
Soft
17 PPMgroundwater2,484 servedEstimated — Nearby Data
Gaston Wsc
TX2010015
Soft
17 PPMgroundwater1,917 servedEstimated — Nearby Data
City Of Tatum
TX2010034
Soft
8 PPMgroundwater1,902 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

75641637563129756026375603637565215756504575601637567255756626175670557563310275669102

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 Tatum, TX (75691).

Submit Your Data

Frequently Asked Questions

Is the water hard in Tatum, TX (75691)?

The average water hardness in 75691 is 14 PPM (0.8 GPG), which is classified as soft.

Do I need a water softener in 75691?

At 14 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 75691 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 75691?

Zip code 75691 in Tatum, Texas is served by 16 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.

8 min read