How hard is the water in Palmetto, FL?

Tap water hardness

119mg/L

7.0gpg

Moderately hard

Reported by Manatee County Utilities Dept · September 2025

FL typical: 120 mg/L
EPA health violations since 2016: 1
Softener for 3 people: 24k grain
Data: Utility report

The water in Palmetto carries roughly 119 mg/L of dissolved calcium and magnesium, or 7.0 grains per gallon. That is moderately hard water. The number comes from Manatee County Utilities Dept, dated September 2025.

Palmetto 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 119 mg/L, Palmetto is close to the typical Florida figure of 120 mg/L. Of the 10 nearest cities we track, 1 has softer water and 6 have harder. The range nearby runs from 35 mg/L in Longboat Key to 169 in The Meadows.

What 119 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 Palmetto

3 people × 75 gallons a day × 7.0 gpg = 1,566 grains a day. A 24,000-grain unit regenerates about every 15 days.

Size it for your household

EPA record for Palmetto's water system

City of Palmetto Water Dept. · PWSID FL6410322

1 health-based violation since 2016

Serves about 13,446 people from surface water.

Health-based: 1
Monitoring or reporting: 18
Open now: 4

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

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

Contaminant or rule	Violations	Period	Status
Total Coliform Rulebacteria	1	2022	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 Palmetto water hard?

Somewhat. It measures about 119 mg/L (7.0 grains per gallon), which the USGS classes as moderately hard.

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

About 7.0 gpg. One grain per gallon equals 17.1 mg/L, so 119 mg/L divided by 17.1 gives 7.0.

What size water softener do I need in Palmetto?

For 3 people using 75 gallons each per day, 7.0 gpg works out to about 1,566 grains a day. A 24,000-grain softener covers that with a regeneration about every 15 days.

Has the Palmetto water system had EPA violations?

EPA records show 1 health-based violation for City of Palmetto Water Dept. since 2016, involving Total Coliform Rule. There were also 18 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 (utility report, September 16, 2025), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.