Water Hardness Atlas ZIP / postcode

Water hardness in Palm Springs

13.4 gpg very hard

Tap water in Palm Springs is very hard: 13.4 gpg (230 mg/L · 12.9 °dH · 23 °fH).

<6060–120120–180>180 mg/L

Source: Desert Water Agency Water Quality Report 2021-22 (2021) · data checked 2026-11-02

Range across supply zones: 86–330 mg/L.

This figure is over 3 years old; hardness may have changed.

Desert Water Agency's 2021-22 report gives a median hardness of 230 mg/L in Palm Springs, with values from 86 to 330 mg/L. Most of that range is hard to very hard. The report is a few years old, so check the agency's latest figures before buying equipment.

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

Water data

Total hardness13.4 gpg
UtilityDesert Water Agency

How Palm Springs 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?

Yes. At this hardness a softener pays for itself through appliance life and detergent.

Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Palm Springs

BrandSetting for this water
BoschH04
Miele13 °dH
AEG / Electrolux3
Beko4th
HooverS2
LGH2

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 Palm Springs water hard or soft?

It is very hard: 230 mg/L as CaCO₃ (13.4 gpg, 12.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Palm Springs 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 Palm Springs water?

13.4 gpg, equal to 12.9 °dH, 23 °fH or 230 mg/L calcium carbonate.

What dishwasher salt setting should I use in Palm Springs?

For 230 mg/L (12.9 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Palm Springs?

Yes, unless you are only passing through: scale damages appliances within a few years.

Source

Source: Desert Water Agency Water Quality Report 2021-22 (2021). Method: figure published by the water supplier. Desert Water Agency Water Quality Report 2021-22 · Outdated figure? Tell us

Report an outdated or wrong figure