Water Hardness Atlas ZIP / postcode

Water hardness in Fowler

2 gpg soft

Tap water in Fowler is soft: 2 gpg (34 mg/L · 1.9 °dH · 3.4 °fH).

<6060–120120–180>180 mg/L

Source: California SWRCB Division of Drinking Water, EDT lab results, system CA1010006 (2025-10) · data checked 2026-10-20

Range across supply zones: 29–98 mg/L.

USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

Water data

Total hardness2 gpg
UtilityCity Of Fowler

How Fowler compares

Ranking of the hardest and softest water in the United States →

What it means at home

How much salt will you use for softening?

No. Water this soft does not need softening.

Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Fowler

BrandSetting for this water
BoschH00
Miele2 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is Fowler water hard or soft?

It is soft: 34 mg/L as CaCO₃ (2 gpg, 1.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Fowler safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

How many grains per gallon is Fowler water?

2 gpg, equal to 1.9 °dH, 3.4 °fH or 34 mg/L calcium carbonate.

What dishwasher salt setting should I use in Fowler?

For 34 mg/L (1.9 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Fowler?

No. With soft water a softener adds nothing.

Source

Source: California SWRCB Division of Drinking Water, EDT lab results, system CA1010006 (2025-10). Method: own measurement. California SWRCB Division of Drinking Water, EDT lab results, system CA1010006 · Outdated figure? Tell us

Nearby cities

Selma2.9 gpgSanger11.1 gpgKingsburg9.9 gpgFresno5.2 gpgReedley7.6 gpgClovis6.9 gpg
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