How hard is the water in Zephyrhills, FL?

Tap water hardness
120mg/L
7.0gpg
Moderately hardCounty estimate

County estimate from 1,244 water samples in Pasco County · July 2026

FL typical
120 mg/L
EPA health violations since 2016
0
Softener for 3 people
24k grain
Data
County estimate

Water samples from around Zephyrhills put hardness at about 120 mg/L (7.0 gpg), which would be moderately hard on the USGS scale. Treat this as a rough guide: it is the median of 1,244 samples taken across Pasco County, mostly wells and streams, not a test of Zephyrhills's treated tap water.

Zephyrhills on the hardness scale, with nearby cities
060120180240300360+FL typical 120University: 111 mg/LUniversity 111Wesley Chapel: 124 mg/LWesley Chapel 124Lakeland: 137 mg/LLakeland 137Crystal Lake: 137 mg/LCrystal Lake 137Medulla: 137 mg/LMedulla 137Fussels Corner: 137 mg/LFussels Corner 137Lakeland Highlands: 137 mg/LLakeland Highlands 137Pebble Creek: 139 mg/LPebble Creek 139Brandon: 141 mg/LBrandon 141Plant City: 159 mg/LPlant City 159Zephyrhills 120mg/L as calcium carbonate060120180240300360+FL 120University: 111 mg/LUniversity 111Wesley Chapel: 124 mg/LWesley Cha. 124Lakeland: 137 mg/LLakeland 137Crystal Lake: 137 mg/LCrystal La. 137Pebble Creek: 139 mg/LPebble Cre. 139Plant City: 159 mg/LPlant City 159120 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

Zephyrhills sits close to the typical Florida figure of 120 mg/L. Of the 10 nearest cities we track, 1 has softer water and 9 have harder. The range nearby runs from 111 mg/L in University to 159 in Plant City.

What 120 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 Zephyrhills

3 people × 75 gallons a day × 7.0 gpg = 1,580 grains a day. A 24,000-grain unit regenerates about every 15 days.

Size it for your household

EPA record for Zephyrhills's water system

Zephyrhills City of · PWSID FL6512020

No health-based violations since 2016

Serves about 29,117 people from groundwater.

Health-based
0
Monitoring or reporting
14
Open now
3

EPA lists this system as serving Zephyrhills.

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 Zephyrhills water hard?

Somewhat. It measures about 120 mg/L (7.0 grains per gallon), which the USGS classes as moderately hard.

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

About 7.0 gpg. One grain per gallon equals 17.1 mg/L, so 120 mg/L divided by 17.1 gives 7.0.

What size water softener do I need in Zephyrhills?

For 3 people using 75 gallons each per day, 7.0 gpg works out to about 1,580 grains a day. A 24,000-grain softener covers that with a regeneration about every 15 days.

Has the Zephyrhills water system had EPA violations?

EPA records show no health-based violations for Zephyrhills City of since 2016. There were also 14 monitoring or reporting violations, which are about late or missing tests and notices.

Nearby cities

All 214 cities in Florida

Hardness data: TapWaterData US Water Hardness (county estimate, July 4, 2026), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.