How hard is the water in Woodway, TX?

Tap water hardness

103mg/L

6.0gpg

Moderately hardReports range 103–127

Reported by City of Waco · November 2024

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

Woodway water measures 103 mg/L (6.0 gpg) of hardness, moderately hard by USGS standards. The number comes from City of Waco, dated November 2024. Reports for this system disagree, with values from 103 to 127 mg/L.

Woodway 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 103 mg/L, Woodway is close to the typical Texas figure of 112 mg/L. Of the 10 nearest cities we track, 4 have softer water and 6 have harder. The range nearby runs from 7 mg/L in Lacy-Lakeview to 285 in Harker Heights.

What 103 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 Woodway

3 people × 75 gallons a day × 6.0 gpg = 1,359 grains a day. A 24,000-grain unit regenerates about every 17 days.

Size it for your household

EPA record for Woodway's water system

City of Woodway · PWSID TX1550048

1 health-based violation since 2016

Serves about 9,383 people from surface water.

Health-based: 1
Monitoring or reporting: 5
Open now: 0

EPA lists City of Woodway as the system serving Woodway. The hardness figure above comes from a different system's report, which TapWaterData uses for Woodway.

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

Contaminant or rule	Violations	Period	Status
Total trihalomethanes (TTHM)a disinfection byproduct	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 Woodway water hard?

Somewhat. It measures about 103 mg/L (6.0 grains per gallon), which the USGS classes as moderately hard.

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

About 6.0 gpg. One grain per gallon equals 17.1 mg/L, so 103 mg/L divided by 17.1 gives 6.0.

What size water softener do I need in Woodway?

For 3 people using 75 gallons each per day, 6.0 gpg works out to about 1,359 grains a day. A 24,000-grain softener covers that with a regeneration about every 17 days.

Has the Woodway water system had EPA violations?

EPA records show 1 health-based violation for City of Woodway since 2016, involving Total trihalomethanes (TTHM). There were also 5 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, November 19, 2024), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.