Water Hardness Atlas ZIP / postcode

Water hardness in Palatine

8 gpg hard

Tap water in Palatine is hard: 8 gpg (137 mg/L · 7.7 °dH · 13.7 °fH).

<6060–120120–180>180 mg/L

Source: Village of Palatine 2024 Consumer Confidence Report (attribute Village of Palatine) (2024) · data checked 2026-10-20

Range across supply zones: 120–149 mg/L.

Palatine's 2024 consumer confidence report carries the table for treated Lake Michigan water supplied through Evanston. Hardness averages 137 mg/L (8.0 gpg) and ranges from 120 to 149 mg/L, which is hard. We infer from the village report that this table applies to Palatine. Scale is noticeable at this level, though most households manage with a softener or descaling.

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

Water data

Total hardness8 gpg

How Palatine 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?

Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.

Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Palatine

BrandSetting for this water
BoschH01
Miele8 °dH
AEG / Electrolux2
Beko2nd
HooverS1
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 Palatine water hard or soft?

It is hard: 137 mg/L as CaCO₃ (8 gpg, 7.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Palatine 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 Palatine water?

8 gpg, equal to 7.7 °dH, 13.7 °fH or 137 mg/L calcium carbonate.

What dishwasher salt setting should I use in Palatine?

For 137 mg/L (7.7 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Palatine?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: Village of Palatine 2024 Consumer Confidence Report (attribute Village of Palatine) (2024). Method: figure published by the water supplier. Village of Palatine 2024 Consumer Confidence Report (attribute Village of Palatine) · Outdated figure? Tell us

Nearby cities

Des Plaines7.9 gpgElgin7.5 gpgWheaton7.9 gpgChicago7.9 gpgBristol14 gpgGenoa City22.6 gpg
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