How hard is the water in Graham, TX?

Tap water hardness
89mg/L
5.2gpg
Moderately hard

Calculated from the utility's calcium and magnesium results · June 2022

TX typical
112 mg/L
EPA health violations since 2016
2
Softener for 3 people
24k grain
Data
Calculated from utility data

Tap water in Graham has about 89 mg/L of hardness, which is 5.2 grains per gallon. On the USGS scale that counts as moderately hard. TapWaterData worked it out from the calcium and magnesium levels the local utility reports (June 2022).

Graham on the hardness scale, with nearby cities
060120180240300360+TX typical 112Briar: 40 mg/LBriar 40Wichita Falls: 50 mg/LWichita Falls 50Granbury: 61 mg/LGranbury 61Breckenridge: 76 mg/LBreckenridge 76Weatherford: 88 mg/LWeatherford 88Mineral Wells: 91 mg/LMineral Wells 91Azle: 92 mg/LAzle 92Springtown: 99 mg/LSpringtown 99Willow Park: 115 mg/LWillow Park 115Bowie: 184 mg/LBowie 184Graham 89mg/L as calcium carbonate060120180240300360+TX 112Wichita Falls: 50 mg/LWichita Fa. 50Breckenridge: 76 mg/LBreckenrid. 76Weatherford: 88 mg/LWeatherford 88Mineral Wells: 91 mg/LMineral We. 91Springtown: 99 mg/LSpringtown 99Bowie: 184 mg/LBowie 18489 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

Graham sits 23 mg/L below the typical Texas figure of 112. Of the 10 nearest cities we track, 5 have softer water and 5 have harder. The range nearby runs from 40 mg/L in Briar to 184 in Bowie.

What 89 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 Graham

3 people × 75 gallons a day × 5.2 gpg = 1,172 grains a day. A 24,000-grain unit regenerates about every 20 days.

Size it for your household

EPA record for Graham's water system

City of Graham · PWSID TX2520001

2 health-based violations since 2016

Serves about 8,718 people from surface water.

Health-based
2
Monitoring or reporting
7
Open now
4

EPA lists this system as serving Graham.

20162017201820192020202120222023202420252026Lead and Copper RuleChlorine dioxide level'16'18'20'22'24'26Lead and Copper RuleChlorine dioxide level
Each dot is one health-based violation, placed at the start of its compliance period.
Contaminant or ruleViolationsPeriodStatus
Lead and Copper Rulecorrosion control and lead sampling120241 open
Chlorine dioxide leveldisinfectant12016Resolved

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 Graham water hard?

Somewhat. It measures about 89 mg/L (5.2 grains per gallon), which the USGS classes as moderately hard.

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

About 5.2 gpg. One grain per gallon equals 17.1 mg/L, so 89 mg/L divided by 17.1 gives 5.2.

What size water softener do I need in Graham?

For 3 people using 75 gallons each per day, 5.2 gpg works out to about 1,172 grains a day. A 24,000-grain softener covers that with a regeneration about every 20 days.

Has the Graham water system had EPA violations?

EPA records show 2 health-based violations for City of Graham since 2016, involving Lead and Copper Rule, Chlorine dioxide level. There were also 7 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 (calculated from utility data, June 15, 2022), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.