Water Hardness Atlas ZIP / postcode

Water hardness in Euclid

6.9 gpg moderately hard

Tap water in Euclid is moderately hard: 6.9 gpg (118 mg/L · 6.6 °dH · 11.8 °fH).

<6060–120120–180>180 mg/L

Source: Cleveland Water 2022 Water Quality Report (2022) · data checked 2026-11-02

Range across supply zones: 113–125 mg/L.

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

Euclid is supplied by Cleveland Water, whose 2022 water quality report gives hardness of 113 to 125 mg/L, with 118 mg/L as the headline value. That is moderate. Occasional scale on kettles and glassware is typical, and most homes manage without a softener.

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

Water data

Total hardness6.9 gpg
UtilityCleveland Water (Division of Water)

How Euclid 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?

Optional. A scale inhibitor or a small softener protects the heater; soap savings are modest.

Descale a coffee machine or kettle about every 3 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Euclid

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
HooverS1
LGH1

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 Euclid water hard or soft?

It is moderately hard: 118 mg/L as CaCO₃ (6.9 gpg, 6.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Euclid 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 Euclid water?

6.9 gpg, equal to 6.6 °dH, 11.8 °fH or 118 mg/L calcium carbonate.

What dishwasher salt setting should I use in Euclid?

For 118 mg/L (6.6 °dH) check your manufacturer's table: level 2–3.

Do I need a water softener in Euclid?

Not essential; a scale inhibitor protects the heater cheaply.

Source

Source: Cleveland Water 2022 Water Quality Report (2022). Method: figure published by the water supplier. Cleveland Water 2022 Water Quality Report · Outdated figure? Tell us

Report an outdated or wrong figure