How hard is the water in West Palm Beach, FL?
Reported by Palm Beach County Water Utilities · October 2025
- FL typical
- 120 mg/L
- EPA health violations since 2016
- 1
- Softener for 3 people
- 24k grain
- Data
- Utility report
The water in West Palm Beach carries roughly 62 mg/L of dissolved calcium and magnesium, or 3.6 grains per gallon. That is moderately hard water. The number comes from Palm Beach County Water Utilities, dated October 2025.
West Palm Beach sits 58 mg/L below the typical Florida figure of 120. Of the 10 nearest cities we track, 7 have softer water and 2 have harder. The range nearby runs from 61 mg/L in Westgate to 93 in Jupiter.
What 62 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.
3 people × 75 gallons a day × 3.6 gpg = 812 grains a day. A 24,000-grain unit regenerates about every 29 days.
EPA record for West Palm Beach's water system
1 health-based violation since 2016
Serves about 671,114 people from groundwater.
- Health-based
- 1
- Monitoring or reporting
- 3
- Open now
- 0
| Contaminant or rule | Violations | Period | Status |
|---|---|---|---|
| Total Coliform Rulebacteria | 1 | 2023 | 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 West Palm Beach water hard?
Somewhat. It measures about 62 mg/L (3.6 grains per gallon), which the USGS classes as moderately hard.
What is the water hardness in West Palm Beach in grains per gallon?
About 3.6 gpg. One grain per gallon equals 17.1 mg/L, so 62 mg/L divided by 17.1 gives 3.6.
What size water softener do I need in West Palm Beach?
For 3 people using 75 gallons each per day, 3.6 gpg works out to about 812 grains a day. A 24,000-grain softener covers that with a regeneration about every 29 days.
Has the West Palm Beach water system had EPA violations?
EPA records show 1 health-based violation for Palm Beach County Water Utilities since 2016, involving Total Coliform Rule. There were also 3 monitoring or reporting violations, which are about late or missing tests and notices.
Nearby cities
- Westgate61 mg/LModerately hard
- Palm Beach62 mg/LModerately hard
- Royal Palm Beach61 mg/LModerately hard
- Palm Beach Gardens75 mg/LModerately hard
- Palm Springs61 mg/LModerately hard
- Greenacres61 mg/LModerately hard
- The Acreage61 mg/LModerately hard
- Lake Worth Beach61 mg/LModerately hard
- Wellington61 mg/LModerately hard
- Jupiter93 mg/LModerately hard
Hardness data: TapWaterData US Water Hardness (utility report, October 6, 2025), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.