How hard is the water in Gatesville, TX?

Tap water hardness

112mg/L

6.5gpg

Moderately hardReports range 112–143

Reported by City of Gatesville · January 2025

TX typical: 112 mg/L
EPA health violations since 2016: 1
Softener for 3 people: 24k grain
Data: Utility report

The water in Gatesville carries roughly 112 mg/L of dissolved calcium and magnesium, or 6.5 grains per gallon. That is moderately hard water. The number comes from City of Gatesville, dated January 2025. Reports for this system disagree, with values from 112 to 143 mg/L.

Gatesville on the hardness scale, with nearby cities

Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

At 112 mg/L, Gatesville is close to the typical Texas figure of 112 mg/L. Of the 10 nearest cities we track, 6 have softer water and 4 have harder. The range nearby runs from 12 mg/L in McGregor to 285 in Harker Heights.

What 112 mg/L means at home

You may see faint white spots on glasses and shower doors after the water dries.

Scale builds up slowly. A kettle or coffee maker needs descaling now and then, maybe every few months.

Hardness is not a health problem, and EPA sets no limit for it. It is a matter of scale and soap.

What to do about it

Optional. Plenty of households at this level live with it and descale the kettle now and then.

Water softener

Worth a look if spots on glass bother you, or if your tankless water heater manual asks for softer water.

Carbon filter

Improves taste and removes chlorine. It leaves calcium and magnesium in place.

Softener size for Gatesville

3 people × 75 gallons a day × 6.5 gpg = 1,467 grains a day. A 24,000-grain unit regenerates about every 16 days.

Size it for your household

EPA record for Gatesville's water system

City of Gatesville · PWSID TX0500002

1 health-based violation since 2016

Serves about 16,135 people from surface water.

Health-based: 1
Monitoring or reporting: 11
Open now: 0

Each dot is one health-based violation, placed at the start of its compliance period.

Contaminant or rule	Violations	Period	Status
Surface Water Treatment Rulefiltration and disinfection	1	2016	Resolved

Health-based means a contaminant above its legal limit or a missed treatment step. Monitoring and reporting violations are late or missing tests and notices. Source: EPA ECHO, 2026Q3 export, violations with periods starting 2016 or later. Full EPA record.

Questions

Is Gatesville water hard?

Somewhat. It measures about 112 mg/L (6.5 grains per gallon), which the USGS classes as moderately hard.

What is the water hardness in Gatesville in grains per gallon?

About 6.5 gpg. One grain per gallon equals 17.1 mg/L, so 112 mg/L divided by 17.1 gives 6.5.

What size water softener do I need in Gatesville?

For 3 people using 75 gallons each per day, 6.5 gpg works out to about 1,467 grains a day. A 24,000-grain softener covers that with a regeneration about every 16 days.

Has the Gatesville water system had EPA violations?

EPA records show 1 health-based violation for City of Gatesville since 2016, involving Surface Water Treatment Rule. There were also 11 monitoring or reporting violations, which are about late or missing tests and notices.

Nearby cities

All 342 cities in Texas

Hardness data: TapWaterData US Water Hardness (utility report, January 21, 2025), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.