How hard is the water in Kingsburg, CA?

Tap water hardness
91mg/L
5.3gpg
Moderately hard

Reported by Kingsburg, City of · March 2023

CA typical
121 mg/L
EPA health violations since 2016
0
Softener for 3 people
24k grain
Data
Utility report

Kingsburg water measures 91 mg/L (5.3 gpg) of hardness, moderately hard by USGS standards. The number comes from Kingsburg, City of, dated March 2023.

Kingsburg on the hardness scale, with nearby cities
060120180240300360+CA typical 121Mayfair: 10 mg/LMayfair 10Hanford: 11 mg/LHanford 11Lemoore: 26 mg/LLemoore 26Visalia: 74 mg/LVisalia 74Dinuba: 92 mg/LDinuba 92Sunnyside: 167 mg/LSunnyside 167Orosi: 170 mg/LOrosi 170Selma: 202 mg/LSelma 202Reedley: 202 mg/LReedley 202Sanger: 202 mg/LSanger 202Kingsburg 91mg/L as calcium carbonate060120180240300360+CA 121Hanford: 11 mg/LHanford 11Dinuba: 92 mg/LDinuba 92Orosi: 170 mg/LOrosi 170Selma: 202 mg/LSelma 202Reedley: 202 mg/LReedley 202Sanger: 202 mg/LSanger 20291 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

At 91 mg/L, Kingsburg is 30 mg/L below the typical California figure of 121. Of the 10 nearest cities we track, 4 have softer water and 6 have harder. The range nearby runs from 10 mg/L in Mayfair to 202 in Selma.

What 91 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 Kingsburg

3 people × 75 gallons a day × 5.3 gpg = 1,202 grains a day. A 24,000-grain unit regenerates about every 19 days.

Size it for your household

EPA record for Kingsburg's water system

Kingsburg, City of · PWSID CA1010019

No health-based violations since 2016

Serves about 13,540 people from groundwater.

Health-based
0
Monitoring or reporting
3
Open now
0

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 Kingsburg water hard?

Somewhat. It measures about 91 mg/L (5.3 grains per gallon), which the USGS classes as moderately hard.

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

About 5.3 gpg. One grain per gallon equals 17.1 mg/L, so 91 mg/L divided by 17.1 gives 5.3.

What size water softener do I need in Kingsburg?

For 3 people using 75 gallons each per day, 5.3 gpg works out to about 1,202 grains a day. A 24,000-grain softener covers that with a regeneration about every 19 days.

Has the Kingsburg water system had EPA violations?

EPA records show no health-based violations for Kingsburg, City of since 2016. There were also 3 monitoring or reporting violations, which are about late or missing tests and notices.

Nearby cities

All 515 cities in California

Hardness data: TapWaterData US Water Hardness (utility report, March 20, 2023), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.