How hard is the water in Lemoore Station, CA?

Tap water hardness

100mg/L

5.8gpg

Moderately hardReports range 100–124

Reported by Lemoore Naval Air Station · January 2024

CA typical: 121 mg/L
EPA health violations since 2016: 2
Softener for 3 people: 24k grain
Data: Utility report

The water in Lemoore Station carries roughly 100 mg/L of dissolved calcium and magnesium, or 5.8 grains per gallon. That is moderately hard water. The number comes from Lemoore Naval Air Station, dated January 2024. Reports for this system disagree, with values from 100 to 124 mg/L.

Lemoore Station 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 100 mg/L, Lemoore Station is 21 mg/L below the typical California figure of 121. Of the 10 nearest cities we track, 7 have softer water and 3 have harder. The range nearby runs from 11 mg/L in Hanford to 202 in Selma.

What 100 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 Lemoore Station

3 people × 75 gallons a day × 5.8 gpg = 1,312 grains a day. A 24,000-grain unit regenerates about every 18 days.

Size it for your household

EPA record for Lemoore Station's water system

Lemoore Naval Air Station · PWSID CA1610700

2 health-based violations since 2016

Serves about 6,000 people from surface water.

Health-based: 2
Monitoring or reporting: 0
Open now: 0

TapWaterData ties Lemoore Station to this system. EPA's service-area records do not name Lemoore Station, so check the utility printed on your water bill.

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	2	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 Lemoore Station water hard?

Somewhat. It measures about 100 mg/L (5.8 grains per gallon), which the USGS classes as moderately hard.

What is the water hardness in Lemoore Station in grains per gallon?

About 5.8 gpg. One grain per gallon equals 17.1 mg/L, so 100 mg/L divided by 17.1 gives 5.8.

What size water softener do I need in Lemoore Station?

For 3 people using 75 gallons each per day, 5.8 gpg works out to about 1,312 grains a day. A 24,000-grain softener covers that with a regeneration about every 18 days.

Has the Lemoore Station water system had EPA violations?

EPA records show 2 health-based violations for Lemoore Naval Air Station since 2016, involving Total trihalomethanes (TTHM).

Nearby cities

All 515 cities in California

Hardness data: TapWaterData US Water Hardness (utility report, January 12, 2024), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.